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1. Telos Assistant Producer Software
2. Assistant Producer Salary

Telos Assistant Producer Software

Feb 2, 2011 - Broadcasters with Telos Nx6 and Nx12 six- and 12-line Talkshow. Nx6 and Nx12 work with Telos' Assistant Producer call screening software. Telos estimates that a turnkey package of one Nx6, a Desktop Director controller and Assistant Producer software will retail for under $4,000. NAB Booth: C146. MobileAssure Handheld Authentication Software. Easy-pro builders estimator. Handheld, software, mobileassure, telos and hardware. Assistant Producer Software v3.5.40 Release Notes Version.

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Assistant Producer Salary

Summary of Contents for Telos Nx12

• Page 1 TELOS Nx12 Advanced Digital Broadcast Telephone System USER’S MANUAL Manual Version 1.6 for software version 1.0 and later 30 July, 2008..

• Page 2: We Support You

  The operation of the Nx12 is determined largely by software. We routinely release new versions to add features and fix bugs. Check the Telos web site for the latest. We encourage you to sign-up for the email notification service offered on the site.
• Page 3 Telos Systems USA 2101 Superior Avenue Cleveland, OH 44114 Telos Europe Johannisstraße 6 85354 Freising Germany Notices and Cautions This symbol, wherever it appears, alerts you to the presence of uninsulated, dangerous voltage inside the enclosure – voltage which may be sufficient to constitute a risk of shock.

• Page 5: Table Of Contents

  Table of Contents We support you.... .i Introduction Welcome to the Nx12 ...1 Features &..
• Page 6 Telos nx12 Manual Using a small mixer ...13 Using a production-style console ... 13 Phones and Remotes .
• Page 7 Changing Between Producer and Talent Modes ..38 Using the Director in Producer Mode ..39 Using the Director in Talent (on-air) Mode .
• Page 8 Telos nx12 Manual vii ISDN Protocol ...56 SPIDs and MSN/DNs (Web Only) ... . 57 Clock Loss .
• Page 9 viii Status Screen for ISDN troubleshooting ..77 Condition: Can’t Get ISDN Ready Indication..78 Condition: System says Ready but attempted calls do not complete .
• Page 10 Telos nx12 Manual USA ISDN Ordering Guide Dealing with the Phone Company ..115 Details, Details ...115 FAXABLE ISDN ORDER FORM (for the USA &..

• Page 11: Introduction

  Network) BRI circuits (with 2 channels per circuit) or 12 analog lines, or a 50/50 mixture of the two types. The Nx12 has support for up to eight Telos third-generation control surfaces such as our Call Controller and Desktop Director. It also supports control via IP/Ethernet.

• Page 12: Why Isdn Makes Sense For Broadcast Talk Show Systems

  While the application of digital signal processing to the problem of separating announcer and caller audio – pioneered by Telos and used in all of our telephone interfaces – has made a dramatic improvement over analog-only hybrids, using digital phone lines for on-air calls further improves performance for several reasons: Exceptional send-to-receive isolation.
• Page 13 InTroduCTIon significantly better distortion and signal-to-noise performance. Lower noise . Because they are digital, ISDN lines are not susceptible to induced noise. Analog lines are exposed to a variety of noise and impulse trouble-causers as they snake across town on poles and through your building. Hum is the main problem, given most lines’ proximity to pole transformers and AC power wires, but there is also impulse noise from motors, switches, and other sources.

• Page 14: Two-studio Modes

  The “Status Symbol” icons provide clear information as to line status with high-contrast LED displays. Telos Assistant Producer software package gives you what you need for call screening and com- munication between the producer and talent. Because it connects via Ethernet/IP, it can easily work from remote sites.

• Page 15: Installation

  You can use the front-panel LCD/button interface for most operations, but you will need the Web interface for ISDN and Livewire configuration. And you will need the LAN connection if Telos Assistant Producer or other call screening software is to be used. Connect any needed parallel GPIO.

• Page 16: Connecting The Nx12 To Analog Lines

  MPEG codecs such as the Telos Zephyr and Zephyr Xstream. BRIs have a capability of one or two active 64 kbps chan- nels. Since the Telos Nx12 is used with BRI lines, we will only consider that type here.

• Page 17: Data And Voice

  Just be sure the BRI circuit supports the Circuit Switched Voice (CSV) capability as well as data. If this line may be “borrowed” at times for use with an audio codec, such as the Telos Zephyr, you need to be sure that the Circuit Switched Data (CSD) capability is enabled.

• Page 18: Ordering Help

  section 2 Ordering Help Appendix 3 to this manual describes the ISDN ordering process for USA/Canada in detail, and Appendix 4 does the same for ETS-300 Euro-ISDN. Both include ready-to-go forms that can be sent directly to your telephone company. 2.5 Connecting the Nx12 to ISDN The Nx12 uses plug-in modules to attach to ISDN.

• Page 19: Isdn Worldwide (outside The Usa & Canada): The S/t Interface

  InsTallaTIon Hot Tip Normally your telephone company should supply an RJ-11 style jack for the U interface. This is the same 4 or 6-pin plug used for analog lines. However, sometimes you may find an 8-pin RJ-45 style jack–and sometimes you may even be charged extra for it! If you have this situation, an RJ-11 plug can be inserted into the center of an RJ-45 jack to make things work.

• Page 20: Integration With A Pbx

  Unless your PBX is listed above, its support of US/Canada National ISDN-1 is not certain. We recommend you arrange a test for compatibility before committing to the purchase of the PBX ISDN module. Contact Telos support for the latest information, or to report your experiences with other switches. Using POTS Most PBX or VoIP telephone systems can provide analog ports for analog equipment such as modems and fax machines.

• Page 21: Studio Audio Connections

  InsTallaTIon 11 The other thing to investigate is whether the PBX offers ‘Loop Current Wink’ or ‘CPC’ (Call- ing Party Control) on the analog ports. Without this supervision, the Nx12 will not detect that a caller on hold has hung up, and your talent will get a recording “please hang up and dial again…”..

• Page 22: Making Do' With An Older Console

  12 section 2 ‘Making do’ with an older console Consoles made before around 1990 rarely had good support for mix-minuses, and almost never for more than one or two. With one of these oldsters, some clever improvisation is going to be needed.

• Page 23: Using A Small Mixer

  InsTallaTIon 13 The Nx12 has multiple hybrids and works best if two faders can be assigned to the telephone system with two associated mix-minuses, one for each telephone line column on the Director. This is probably not going to be easy with an older console. But the Nx12 has an option to work with a single external mix-minus by making an internal cross-connection of the hybrids.

• Page 24: Input (to Caller )

  All perceptual codecs (such as the Telos Zephyr) have too much delay for talent at remote locations to hear themselves via a round-trip loop. Therefore, another mix-minus is required to feed a codec.
• Page 25 5.1, and 5.4 for additional information on level adjustment. Note The Telos Nx12 uses the currently-favored pin-outs for three-pin XLRs. You can easily remem- ber the correct signals when wiring connectors by using the phrase “George Washington Bridge.” Pin 1 = G = Ground, Pin 2 = W = “+” = White (typical color in mic cable, if there is no white there will be a red conductor), and Pin 3 = B = “-”..

• Page 26: Output (caller)

  16 section 2 AES Input XLR DESCRiPTiON Ground Signal + Signal - So that all four hybrids are accessible in spite of the limited rear panel space for connectors, we use one AES input for two hybrids. The relationship is as follows: AES 1 Left is to Hybrid A ♦..

• Page 27: Desktop Director Ports

  However, the Nx12 can only power four devices. If you have more than four devices, you will need to use the external Desktop Director power supply kit, available from Telos. (The Extended Director counts as two devices for power purposes, but uses one connection. The Nx12 can control eight Extended Desktop Directors, but will power only one of them.)
• Page 28 Director. It is suitable for any case where a reduced footprint, reduced complexity, or reduced cost is required. Console Director Telos provides a kit that can be used to make a drop-in module for many types of mixing consoles. Note The Nx12 can also be controlled over Ethernet using Telos Assistant Producer or other soft- ware applications, and by the Axia Element Console’s Phone Fader or Call Control modules.

• Page 29: Connecting Desktop Directors

  Extended Distance with Power Supply If the Desktop Director must be located more than 250 feet (76 Meters) from the Nx12, you will need to use an external power supply (Telos Desktop Director Power Supply Kit part # 2091-00001). In that case, your set-up will look like this: The Desktop Director must be within 2300 feet (700 meters) of the Nx12.

• Page 30: Desktop Director Assembly

  20 section 2 To connect two Desktop Directors to one port, a power supply and RJ-45 modular splitter is required. One of the Directors must have its termination removed. This unterminated Director must be within 33 feet (10 meters) of the power supply. Desktop Director Termination Removal Desktop Directors are shipped with the internal termination resistors enabled.

• Page 31: Ethernet

  5 inch (127 mm) centers. Care should be taken that the screws do not protrude more than 1/8 inch (3 mm) from the mounting surface. 2.9 Ethernet The Ethernet 100Base-T port is used for Web-based configuration, connection to Telos Assis- tant Producer and other software applications, and interface to Livewire networked studio audio components.

• Page 32: Parallel Gpio Remote Control

  Depending on network activity, this indicator may only illuminate occasionally; flickering of this light is normal. For details on using Web-based configuration, see Section 5.3. For information on using Telos Assistant Producer and other call screening applications, see Section 5.10. 2.10 Parallel GPIO Remote Control This port provides inputs to and outputs from the Nx12.
• Page 33 InsTallaTIon 23 DESCRiPTiON Record Start 1 Ring Mute In 1 +5VDC (50mA max) Record Stop 1 User Out (Dump) 2 Ringing Out 2 Priority Ringing Out 2 Ring Mute In 2 (reserved) p a r a l l e l C o n T r o l Note for the Curious The DB- designation for D-Sub connectors is from Cinch Corp’s part numbering system.

• Page 34: Ac (mains) Power

  24 section 2 ing it from the output to the +5v source on pin 8. An appropriate value is 2.2kΩ. Sink (pull-down) current must be limited to 400mA maximum per output with total ♦ output restricted to 1 amp (200mA each output if all five will be used). If you want to drive a relay, lamp, or high-current LED, you will need an external power source.

• Page 35: Basic Configuration

  25 Basic Configuration 3.1 Step-by-Step Here is a step-by-step guide to basic Nx12 configuration for a new installation: Enter TCP/IP addresses, if used, for Web interface, remote control, and Livewire audio ♦ networking. See Section 5.3. Set Input Source for Analog, AES3, or Livewire. See Section 5.8 if you will be using ♦..

• Page 36: Analog Phone Line Setup

  26 section 3 ISDN S-interface. There will be 3 RJ-45 jacks. ♦ With ISDN, there are two voice channels for each physical connection, so only half as many jacks are needed. The line list in the LCD Telco menu will correspond to the installed module types, and your configuration entries will vary accordingly.
• Page 37 BasIC ConfIguraTIon 27 Click on the Telco menu. With ISDN modules installed in both Telco interface positions, you will see a page similar to the one below. Choose the ISDN Protocol. For the USA and Canada, this will usually be Natl.I-1. For Europe and much of the rest of the world, it will be ETS300.

• Page 38: Is The Isdn Working

  28 section 3 More Tips Incorrectly entered SPIDs are the most common problem users in the USA & Canada have placing ISDN calls. Compare the SPIDs you have entered with the SPIDs provided to you on by the phone company to be certain that you have entered them correctly. Do not add anything to your SPIDs.

• Page 39: Audio Input And Output

  BasIC ConfIguraTIon 29 Drop this test call by pressing the right Drop button. ♦ Having completed that first call, you know your lines 1 and 2 are working. (If you are ♦ using ISDN, you have now tested the first BRI.) Now repeat this test by calling from line 2 to line 3, line 3 to line 4 etc.

• Page 40: Time To Test It Out

  30 section 3 Time to test it out! Ok, you made it! Another hour and you can go home for the day! First we will check that the mix-minus for each hybrid is correct. Then we will make a test call. Confirm that the Desktop Director you will be using is working and says Talent at the ♦..

• Page 41: What Now

  BasIC ConfIguraTIon 31 artifacts, and the caller should sound clear. Move the call to Phone 2 by pressing the right column line 1. Repeat steps 4 through 6 using lines on the right column. What now? Your basic installation is complete. Next you will want to look over other sections of this manual to familiarize yourself with the system and to set up the following parameters: Desktop Director operation See Section 4..
• Page 42 32 ..

• Page 43: User Operation

  4.1 Desktop Director The Telos Desktop Director is both a control surface for putting calls on-air and a telephone set for conversations with callers on the studio telephone lines. The Director has two modes of operation – Producer (screener) mode and Talent (on-air) mode.
• Page 44 34 section 4 Call is On-Air – Column 2 Call is On-Air & Locked – Column 1 Call is locked and cannot be dropped or placed on hold. To unlock, press the line button to the left of this icon. Call is On-Air &..

• Page 45: Line Button Columns

  user operaTIon 35 Line is not operational Line Button Columns Talent Mode Each line has 2 buttons, the left column for Caller 1 and the right column for Caller 2. Pressing a line button places the caller on that line on-air using the corresponding hybrid. Note: When the Nx12 is using a two-studio Show Mode (see Section 5.7), only the left column will be active.

• Page 46: Block All

  36 section 4 Calls placed on screened hold in this manner are being queued up from the first selected to the last one selected by the screener. The next caller line icon is represented by a blinking check mark. If there is no screener to select and order calls, the line which has been ringing the longest will be selected instead.

• Page 47: Lcd Screen And Associated Buttons

  user operaTIon 37 Record Control This is intended to control an external recording device. It operates only if connected. Pressing the button once when nobody is on air, arms the recording feature (LED blinking). Once armed, taking a call starts the recorder automatically (LED solid). When the call is dropped, the recorder will be stopped and the system will re enter the “armed”..

• Page 48: Changing Between Producer And Talent Modes

  38 section 4 Adjust Volume Ringer Speaker Handset back Press ∆ or ∇ to choose which level you want to adjust. Pressing [-] will decrease, while pressing [+] will increase the volume level for the item displayed. The change will take place immediately. Pressing the soft key button under the word back or the Select button will return you to the main screen.

• Page 49: Using The Director In Producer Mode

  user operaTIon 39 Main Menu Change Director Mode Select Ringer Configure Shows ∇ Adjust LCD Panel back The words Change Director Mode should be highlighted. Now press the Select button. You will now see a screen like this: Main Menu Producer (screener) Talent (on air) back..

• Page 50: Using The Director In Talent (on-air) Mode

  40 section 4 Hot Tip You can use this feature to re-order the next queue at any time. Simply press the right line buttons for the calls in reverse order from the order you wish to air them. Press the right line button first for the call to be aired last, then the button for the next line to be aired before that and so on pressing the right line button for the call to be aired next last.
• Page 51 user operaTIon 41 Next This button will take the call designated as next on the left line column. If no call is currently designated next, the call which has been on Screened Hold the longest will be taken. If a screener is not used, the line which has been ringing longest will be taken.

• Page 52: The Call Controller

  *SHOW2 (*74692) connects this controller to Show 2 4.3 The Console Director Telos provides sub-assemblies to a number of mixing console manufacturers, allowing them to offer you a console-mounted control surface compatible with the Nx12, 2x12, and Series 2101 systems. The Console Director works much like the Desktop Director in Talent mode.

• Page 53: Detailed Configuration & Reference

  43 detailed Configuration & reference First Step.. After power-up and initialization, the status screen appears. When you see this screen, and if ISDN or POTS lines are connected and functioning correctly, and ♦ the Nx12’s basic configuration settings have been adjusted to the requirements of your ♦..

• Page 54: Status Displays

  44 section 5 5.2 Status Displays Telco line and Desktop Director status information is available on both the Web interface and the LCD. On the LCD, pressing any menu button twice displays the status screens. These status screens display information about the state of the Nx12, but do not allow you to make any changes. The ∆..

• Page 55: Desktop Director Status

  Near end menu gives a detailed error status coming from the Nx12 side. If you suspect a malfunctioning Desktop Director, check its error status before calling Telos support. Having these details at hand will allow us to best assist you.

• Page 56: Using The Lcd/buttons And Web For Configuration

  46 section 5 5.3 Using the LCD/Buttons and Web for Configuration You use the various configuration settings to adjust audio levels and processing options, set the ISDN parameters, etc. You may use either the front panel LCD/button user interface on the Nx12 main unit or the Web interface to access configuration options.

• Page 57: The Audio Menu

  deTaIled ConfIguraTIon & referenCe 47 The Nx12’s default IP number is 192.168.0.230. Normally, you would change this to a number appropriate for your network using TCP/IP Setup in the System menu. You would also enter appropriate values for Subnet Mask and Gateway Address. See The System Menu below for details.

• Page 58: Nominal Input Level

  48 section 5 Input Setting Related to Input Level Input Setting -10dBV 0dBu +4dBu +9dBu PPM -9dBfs PPM Analog input level - 10 dBV nom 0 dBu nom +4 dBu nom +9 dBu PML Livewire/AES - 32 dBfs nom -24 dBfs nom -20 dBfs nom -15 dBfs..

• Page 59: Phone Send Adjustment

  deTaIled ConfIguraTIon & referenCe 49 send level. However, doing so can reduce effective hybrid performance and increase leakage. Conversely, lowering this setting can reduce leakage. Call Ducking This control adjusts the amount of ducking that occurs to the received telephone audio when send-to-caller audio is present.

• Page 60: Receive Eq (caller Dynamic Digital Eq - Ddeq)

  50 section 5 Receive EQ (Caller Dynamic Digital EQ – DDEQ) Telephone audio frequency response varies widely since many factors can affect it (we’ve measured the response on a number of calls and the results were revealing). Consequently, some form of receive equalization is desirable.
• Page 61 deTaIled ConfIguraTIon & referenCe 51 Separate requires the mixing console to provide the cross-connection for conferencing, when required. With One Show show mode, and in any of the Two Show show modes, there are two hybrids per show, so using the Separate mix-minus mode means you have two caller outputs to each console, and two mix-minus caller inputs from each console.
• Page 62 52 section 5 Second of two Shows: Input 2 ∑ Hybrid A Output 3 ∑ Hybrid B Output 4 In 4-Column show mode, you have 4 independent caller outputs to 4 faders on the console, but require only 1 mix minus feed. All callers hear the one console mix-minus feed and each other.

• Page 63: Aes Mode

  deTaIled ConfIguraTIon & referenCe 53 combined mix of all callers’ audio, and require only one mix-minus feed from the console. All callers hear the one console mix-minus feed and each other. The following table summarizes the effect of each mix-minus mode together with each Show mode: Mix-Minus Mode Mix-Minus Mode..

• Page 64: The Telco Menu

  54 section 5 4-channel ♦ In this mode there are up to four caller inputs/outputs. The L and R of each AES signal are used, creating four independent caller inputs and four caller outputs. To use this mode, your mixing console must be capable of splitting and combining separate channels of audio to and from the L/R pairs of AES signals.

• Page 65: Loop Current Checking (web Only)

  deTaIled ConfIguraTIon & referenCe 55 720 ms Belgium, Netherlands, Switzerland 120 ms France, Luxemburg, Portugal, Germany 270 ms Rest of Europe 90 ms The hook flash is sometimes used as a signal to initiate transfer or other features, with the specific effect being dependent on the Telco or PBX capabilities and configuration.
• Page 66 56 section 5 There are a number of choices, but the most common are described below. For Europe and many other parts of the world ETS 300. This is the very common Euro-ISDN, according to the ETS 300 standard. ♦..

• Page 67: Spids And Msn/dns (web Only)

  deTaIled ConfIguraTIon & referenCe 57 Note After you enter (or change) your SPIDs or DNs, you must reboot the Nx12. Therefore, once you have entered SPID1, SPID2, DN1, and DN2 you should turn the power off and then back on.
• Page 68 58 section 5 ISDN Tip ETS 300 users should disregard all references to SPIDs. Euro ISDN does not have SPIDs (you lucky souls)! IMPORTANT If your line status shows “Wait” at least one of your SPIDs is incorrect or your ISDN Protocol setting is incorrect! In this case, check the SPID.

• Page 69: Clock Loss

  Some versions of the Telos Zephyr and Zephyr Express do not require that Directory Num- bers be entered. This is not true for the Telos Nx12 and other newer products. You must correctly enter these numbers for the system to work.

• Page 70: Contrast (lcd Only)

  60 section 5 to get this from your network administrator or Internet service provider. To enter IP addresses using the LCD/button interface: Select the TCP/IP Settings… sub-menu. To enter an IP address, use the following procedure: Highlight the IP address Press OK Press ∇..

• Page 71: Audio Loop (lcd Only)

  deTaIled ConfIguraTIon & referenCe 61 Hold on Select The Direct Hold feature allows the operator to seize the next call which has been ringing for the longest time and put the caller he was talking with back on hold in one simple step, by pressing the Next key.

• Page 72: Firmware Update (web Only)

  62 section 5 Reboot System? This menu has two options: – Goes back to the Reboot System sub-menu. ♦ – Causes the system to reboot. (All callers will be lost.) ♦ This command is intended to save you a trip to the back of the rack. This reboot is equivalent to removing power and then restoring it.

• Page 73: Sharing The Nx12 - Two-studio Modes

  Director. If a shared line is placed on hold, it can be picked up in either studio. Users of the Telos Series 2101 system will recognize this behavior, as that system works in the same way. 2 Show Custom This lets you configure each line individually with regard to studio assignment and priority, thus dividing the lines between the studios according to your specific requirements.

• Page 74: Selecting A Show On The Desktop Director And Other Controllers

  64 section 5 SHOW 2 – Line is available for the show that uses hybrid 2 only ♦ SHOW 1&2 – Line is available for both shows (shared line) ♦ Press the SELECT button to accept your changes. Note: You must reboot the system after configuring this setting. If you wish to configure lines as ‘Priority’..

• Page 75: Livewire

  IMPORTANT You must use Assistant Producer 3.5, or newer. If you are an Assistant Producer 2.0 user, contact Telos Customer Support for information on upgrading. From the AP Server menu, choose a Server (the IP address of a Nx12) From the AP Connection menu, choose Connect Show and from there choose from the..
• Page 76 66 section 5 Consult Introduction to Livewire, available on the axiaaudio.com website for a description of Livewire and an explanation of the various terms and options. Note that the terms “Sources” and “Destinations” are from the perspective of the Livewire network and have the same usage as for Livewire Nodes.

• Page 77: Quality Of Service

  Livewire simplifies mix-minus because each channel is two-way – so return feeds are “baked-in” and not an afterthought. Axia is a division of Telos, so as you could imagine, we take good care of phones and codecs in our mixing consoles. Easy-to-use mix-minuses are available on every fader channel. Separate on-air and off-line (recording) mix-minuses are supported.

• Page 78: Firmware Update

  The first step is to get the new firmware onto your PC. This will usually be via a download from the Telos website or an email attachment from Telos customer support. The file will have the extension .pkg. When the firmware is available on your PC, click the Browse button to locate it, and then click Apply to upload it to the Nx12.

• Page 79: Telnet

  Telnet A telnet session can access certain advanced functions and logging, primarily for troubleshoot- ing when requested by Telos support. Use your favorite telnet client to connect to the IP address and port 24 of the Nx12. Some Web browsers support telnet: Entering ‘telnet:192.168.0.230:24’ into the browser’s address field might work.
• Page 80 70 section 5 Type ‘help <command>’ to get specific help about a command. Type ‘help *’ to get a short list of commands. Type ‘help **’ to get a detailed list of commands. Type ‘help <chars>*’ to get a list of commands starting with <chars>.

• Page 81: System Signal Flow And Audio Processing

  This function is always enabled. Frequency Shifter A Telos innovation, the frequency shifter (pitch shifter) inserts a small, unnoticeable, shift in frequency to the send audio to prevent feedback buildup when the system is used with open speakers.
• Page 82 Consequently, some form of receive equalization is desirable. The Digital Dynamic EQ process used on the Telos is the most sophisticated equalizer avail- able in a broadcast telephone interface. All processing is performed in the digital domain. The..
• Page 83 deTaIled ConfIguraTIon & referenCe 73 larly useful when the caller is carrying on and the talent wants to interrupt to move the show along. Reduces feedback when a loudspeaker is necessary. ♦ In the loudspeaker case, reduces audibility of the caller signal that couples through the ♦..
• Page 84 74 section 5 in this response characteristic, flattening out those peaks with an equalizer can signifi- cantly improve the feedback margin. A spectrum analyzer connected to the output of your mic processor will help detect the frequency of those peaks. If necessary, soften acoustic room reflections by adding curtains or wall treatments.

• Page 85: Technical Data & Troubleshooting

  There is the possibility, however, that you could repair the unit by swapping subsystems such as plug-in modules or power supplies. The Telos customer support crew is standing-by to assist with this, if you need it.
• Page 86 76 section 6 You can’t fix any system without the right world view; a zeitgeist of suspicion tempered by trust in the laws of physics, curiosity dulled only by the determination to stay focused on a single problem, and a zealot’s regard for the scientific method. Perhaps these are characteristics of all who successfully pursue the truth.

• Page 87: Troubleshooting Isdn Problems

  “Everything You Know is Wrong”. Use that as your guiding philosophy in trouble- shooting a Telos Two set-up. For example, just because you checked the Telco line last night and it was fine does not mean that it’s OK now.

• Page 88: Condition: Can't Get Isdn Ready Indication

  78 section 6 Accepting Call Nx12 has accepted an incoming call and is waiting for the Telco switch to connect it. Connected All signaling is complete - the voice channel is available for use. A caveat regarding the Ready indication: If you have this indication with the Nx12’s Telco mode set to AT&T Cust and you cannot dial, it is likely that your line is Natl.

• Page 89: Condition: System Says Ready But Attempted Calls Do Not Complete

  TeChnICal daTa & TrouBleshooTIng 79 In the case of Natl.I-1 or 2, and DMS-100 carefully verify that you have the correct SPID from the Telco, and that you have properly entered it into the system. It must be correct in order for anything to work! We’ve seen a few cases where it was given incorrectly by Telco personnel, so it might be a good idea to re-check with them if things are pointing in this direction.

• Page 90: Condition: Intermittent Isdn Problems

  In rare cases, there could be a software bug in the Nx12 that reacts badly to something coming from the ISDN line. Telos customer support will communicate the problem to our engineering guys for resolution. See Section 7.41 for information on connecting to the Nx12’s command line..

• Page 91: Troubleshooting Desktop Director Problems

  Note that early production Call Controllers require a modification to operate with the Nx12. Telos customer support can arrange for modification of these units at no charge. Section 2 has details on the allowable wiring configurations for the Desktop Directors and other control surfaces.

• Page 92: Isdn Cause Phrases/values

  82 section 6 6.7 ISDN Cause Phrases/Values When there is an ISDN problem in the network, a phrase appears in the ISDN protocol log that communicates information about the cause of the trouble. See Section 7.10 for how to enable ISDN logging through the Telnet port.
• Page 93 TeChnICal daTa & TrouBleshooTIng 83 Cause No. 8 – Call is proceeding/Preemption Call in process, please standby. This cause indicates a call has been preempted. Cause No. 9 – Preemption, reserved This cause indicates a calls has been preempted due to the circuit being reserved for reuse. Cause No.

• Page 94: Class 1.2 (resource Unavailable)

  84 section 6 party is no longer assigned, The new called party number may optionally be included in the diagnostic field. If a network does not support this cause, cause no: 1, unallocated (unassigned) number shall be used. Cause No. 26 – Non-selected user clearing This cause indicates the user has not been awarded the incoming call.

• Page 95: Class 1.3 (service Or Option Not Available)

  TeChnICal daTa & TrouBleshooTIng 85 Cause No. 38 - Net out of order This cause indicates that the network is not functioning correctly and that the condition is likely to last a relatively long period of time e.g. immediately re-attempting the call is not likely to be successful.

• Page 96: Class 1.4 (service Or Option Not Implemented)

  86 section 6 Cause No. 53 – Service operation violated This cause indicates that the user has violated the service operation. Cause No. 54 – Incoming calls barred The user will not accept the call delivered in the SETUP message. Cause No.

• Page 97: Class 1.5 (invalid Message; E.g. Parameter Out Of Range)

  TeChnICal daTa & TrouBleshooTIng 87 CLASS 1.5 (invalid message; e.g. parameter out of range) Cause No. 81 – Invalid call reference value This cause indicates that the equipment sending this cause has received a message with a call reference which is not currently in use on the user-network interface. This value only applies if the call reference values 1 or 2 octets long and is not the global call reference.
• Page 98 88 section 6 be processed. Cause No. 97 - Message type non-existent or not implemented This cause indicates that the equipment sending this cause has received a message with a mes- sage type it does not recognize either because this is a message not defined, or defined and not implemented by the equipment sending this cause.

• Page 99: Class 1.7 (interworking Class)

  TeChnICal daTa & TrouBleshooTIng 89 calls, etc. Cause No. 113 – Bearer service unavailable [VN 4 only] This cause indicates that the bearer service requested is not available or is unimplemented. Cause No. 114 – End-to-End Information transfer impossible [VN 4 only] This cause indicates that the requested network does not support the user end-to-end transfer capability.
• Page 100 90 section 6..

• Page 101: Specifications

  Audio interfaces included as standard are analog and Livewire Audio-over-IP. An optional AES interface module is available. Up to eight Desktop Directors may be connected. Computer control, such as with Telos’ As- sistant Producer call screening application, is supported over an Ethernet LAN connection.

• Page 102: Audio

  92 section 7 Audio Analog Inputs 2x send analog inputs ♦ 2x Program-on-Hold analog inputs ♦ XLR female, pin 2 high. Active balanced, with RF protection. ♦ Output level adjustable from –7 to +8 dBu (nominal) ♦ Analog clip point +21dBu ♦..

• Page 103: Isdn Telephone Line Connectivity

  Includes caller ID decoding using Bellcore 212 modem standard. Desktop Director Ports Four ports, permitting connection of 4 Telos Desktop Directors. Eight directors using external RJ-45 splitters and power. (Extended Desktop Directors count as 2 for power purposes.)

• Page 104: Four-column/four-hybrid Mode

  94 section 7 With analog audio in/out, there are only two total inputs and outputs. So the Nx12 must ♦ be used in a mode that combines the two hybrids assigned to each studio into one input/ output. The AES option provides 4 input and 4 output channels total, so all hybrids are accessible ♦..
• Page 105 speCIfICaTIons 95..
• Page 106 96 ..

• Page 107: Warranty And Application Caution

  Telos Systems, 2101 Superior Avenue, Cleveland, Ohio 44114. Telos Systems at its option will either repair or replace the Product and such action shall be the full extent of Telos Systems’ obligation under this Warranty. After the Product is repaired or replaced, Telos Systems will return it to the party that sent the Product and Telos Systems will pay for the cost of shipping.
• Page 108 98 ..
• Page 109 Wait on the Nx12 ISDN status screen. Often the Telco will leave the last “00” or “01” off the end of your SPID when giving it to you. For the latest list check Telos Systems’ web page. A standardized SPID format for national ISDN of XXXYYYZZZZ0101 was phased in during 1996 and is used by most of the Telcos for new lines.
• Page 110 100 appendix 1 Century Telephone SPID1 XXXYYYZZZZ00 XXXYYYZZZZ00 SPID2 XXXYYYZZZZ01 Cincinnati Bell SPID1 XXXYYYZZZZ0000 01YYYZZZZ000 SPID2 XXXYYYZZZZ0001 SPID1 00YYYZZZZ01 SPID1 XXXYYYZZZZ0000 SPID2 00YYYZZZZ02 SPID2 XXXYYYZZZZ0101 00YYYZZZZ01 Nextlink/XO XXXYYYZZZZ Fort Mills Telephone XXXYYYZZZZ1 XXXYYYZZZZ Frontier Communications XXXYYYZZZZ0101 (if requested) 01YYYZZZZ000 Northern Pittsburgh Telephone GCI (Alaska) XXXYYYZZZZ000..
• Page 111 usa spIds By TelCo 101 SPID2 XXXYYYZZZZ100 Quest- See US West Standard Telephone (GA) Rochester Telephone SPID1 XXXYYYABCDCD 01YYYZZZZ0 SPID2 XXXYYYEFGHGH (last two digits of phone number repeated) SBC- See Pac Bell, Ameritech, or Southwestern Bell US West XXXYYYZZZZ1111 SNET (Southern New England Telephone) 01YYYZZZZ00 01YYYZZZZ00..
• Page 112 102 ..
• Page 113 guIde To Telephone TerMInology 103 Telephone Terminology guide You’ll get better results from the Telco if you understand Bell Labs. The basic research facility that was AT&T’s primary and speak the lingo! We have tried to include the typical research facility.
• Page 114 104 appendix 2 Cause Code- A code returned by switching equipment to ISDN or incentive to potential tenants. If a BLEC offers Long Distance equipment as part of the call control signaling protocol. The cause Service it is covered by the same regulations as any other LEC. code indicates that a network call-related event has occurred or has Blocking- When a circuit switched call cannot be completed.
• Page 115 guIde To Telephone TerMInology 105 your station runs a contest) the other choke exchange users will be and “codes” it in order to reduce the transmission bit rate and which blocked because all trunks into the choke exchange will be busy. can also simultaneously “decode”..
• Page 116 Point-to-MultiPoint (PMP). The ISDN protocol has no relation to number (without the area code), as found in the telephone directory. where one may call. Telos equipment does not support PMP. Directory 1&2 (Zephyr)- The Utility menu on the Zephyr where D Channel- Data/Delta Channel.
• Page 117 guIde To Telephone TerMInology 107 DSX-1- Digital Cross Connect level 1 (USA & Canada, primar- Frame – A unit of data which is defined by the specific communi- ily). Defined as part of the DS1 (T1) specification and is a closely cations protocol used.
• Page 118 Telos Zephyr, ZephyrExpress, TWO, and TWOx12 support IOC matters. The Telos 10 telephone system was the first practical DSP package “S”. Search for document NIUF 428-94 at NIUF’s web based hybrid and applied the then brand-new technology to this page http://www.niuf.nist.gov/ for more information.
• Page 119 guIde To Telephone TerMInology 109 LEC- Local Exchange Carrier. Your local telephone service pro- Company then any call outside of your LATA or any Interstate call vider which is either an RBOC or an Independent. In other words, is considered long distance and is handled by an IEC. The above is a traditional phone company.
• Page 120 USA & Canada. See also NCTE Telos TWO provide this on all versions. This power arrangement is also used in the Telos TWOx12 and 2101 Studio Interface to power NTBA- Network Termination Basic Access. The term used for Desktop Directors.
• Page 121 NT1’s do not necessarily provide access to the S interface SS7 - Signaling System 7. The internationally adopted Common (the Zephyr Xstream, Zephyr, ZephyrExpress and Telos TWO Channel Interoffice Signaling (CCIS) system. Previous to SS7 do). Multiple devices can share an NT1 by connecting on the S..
• Page 122 32KHz and can be received in L3 Mono using one B channel or uses the DSX-1 electrical protocol and has 30 channels at 64kbps L3 Stereo using 2 B channels. Telos also maintains an identically each. configured test line in Freising, Germany at 49 81 61 42 061 (dial this number twice).
• Page 123 Two Wire – A circuit path where only a single pair of wires is used. A hybrid is used to convert from two wire to four wire circuits. No hybrid is perfect, and those used by the phone company can be poor. However, the hybrids in Telos TWO/2101 family are approaching..
• Page 124 114 appendix 2..

• Page 125: Usa Isdn Ordering Guide

  If you know who to call and you are ready to provide complete information, the ISDN ordering process can be simple and straightforward. This guide takes you through the process step-by- step. Telos support is always available to assist. On one ISDN BRI circuit, there are three simultaneous bi-directional channels: two 64kbps “bearer”..
• Page 126 Switched Data. (In contrast to PSD, Packet Switched Data, which is possible, but irrelevant to our needs.) CSD is not required for Telos Nx12 connections. Even though you are sending a stream of data, the phone network knows to translate this back to analog at the far end due to the call setup..

• Page 127: Faxable Isdn Order Form (for The Usa & Canada)

  In Europe, Asia, South America, and most of the world the NT1 is always provided by the phone company. Therefore, Telos TWOx12s shipped outside the USA & Canada have the S interface. In the USA & Canada the NT1 must be provided by the user, and is therefore built-in to the TWOx12’s ISDN terminal adapter.
• Page 128 Long distance carrier: ___________________________ Number of BRI circuits required: _______ We request ISDN BRI circuits for use with the Telos Nx12 digital telephone system. This device interfaces studio audio equipment to ISDN. It requires Circuit Switched Voice (CSV). We may also use this line for other equipment that makes calls using Circuit Switched Data (CSD) service.
• Page 129 Isdn orderIng guIde 119 □ No hunt groups You may call the manufacturer of the Nx12, Telos Systems, at +1 (216) 241-7225 for any additional required information about ISDN compatibility. Ask for ISDN Customer Support. PROTOCOL: National iSDN-1 From AT&T 5ESS, Northern Telecom DMS100, and Siemens EWSD.
• Page 130 120 appendix 3 Give us: Two SPID numbers, depending upon number of active B channels ♦ Two Directory Numbers ♦ PROTOCOL: AT&T Point-to-Point (Custom) Software version 5E4.2 and above. CO Values Line Type (DSL class): Custom Point-to-Point (PTP) ♦ B1 Service: On Demand (DMD) ♦..

• Page 131: Euro-isdn Ordering Guide

  If you live in a country outside of North America which does not support Euro-ISDN, your lo- cal Telos Systems representative should be able to provide you with information about ordering (and using) ISDN in your area. We assume you have read the description of ISDN in section 2.3 and are familiar with ISDN’s basic concepts.

• Page 132: Faxable Isdn Order Form (for Euro Ets 300)

  Switched Data, which is possible, but irrelevant to our needs.) CSD is not required for Telos Nx12 connections. Even though you are sending a stream of data, the phone network knows to translate this back to analog at the far end due to the call setup message sent on the D channel when the call is made.
• Page 133 “Deactivation Allow” to “NO” if this is possible. □ Line deactivation is acceptable. Please provide your default setting for this parameter. You may call the manufacturer of the Nx12, Telos Systems, at +1 (216) 241-7225 for any additional information about ISDN compatibility. Ask for ISDN Customer Support.