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Telos 2101 Series User Manual

Advanced all digital multi-line multi-studio broadcast telephone system
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TELOS 2101 USER'S MANUAL
TELOS SERIES 2101
Advanced All Digital Multi-line Multi-studio Broadcast Telephone System
USER'S MANUAL
PART IV
Studio Interface & Additional Hybrids
V2.0d

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  • Page 1 TELOS 2101 USER’S MANUAL TELOS SERIES 2101 Advanced All Digital Multi-line Multi-studio Broadcast Telephone System USER’S MANUAL PART IV Studio Interface & Additional Hybrids V2.0d...
  • Page 2 TELOS 2101 USER’S MANUAL This blank page is intentional. PART IV THE STUDIO INTERFACE & ADDITIONAL HYBRIDS IV-II TABLE OF CONTENTS...

  • Page 3: Table Of Contents

    TELOS 2101 USER’S MANUAL Table of Contents Part IV SERIES 2101 STUDIO INTERFACE - INSTALLATION................5 ............................. 5 ETTING TARTED Studio Interface connections –........................... 6 ....9 NSTALLATION CHECKLIST (C OPY THIS CHECKLIST AND USE IT TO HELP ORGANIZE YOUR INSTALLATION...
  • Page 4 TELOS 2101 USER’S MANUAL 3.3.3 ..........................69 YSTEM ..........................75 XTERNAL ONTROL 3.4.1 RS-232 C ..........................75 ONTROL Serial Port Commands (Studio Interface only)....................76 3.4.2 ......................83 THERNET CONTROL ................83 YSTEM UDIO ROCESSING AND EEDBACK ONTROL 3.5.1 ........................83...

  • Page 5: Series 2101 Studio Interface - Installation

    3 has a detailed reference of all menus in the Studio Interface. The Telos Series 2101 Studio Interface mounts in a 2RU high space in a standard 19” rack. The unit will operate in any environment where the ambient air temperature is between 0 to 40 degrees Celsius (32 to 104 degrees Fahrenheit).

  • Page 6: Studio Interface Connections

    TELOS 2101 USER’S MANUAL • Configure at least one Telco Trunk interface in the 2101 Hub and configure the trunks associated with that digital telephone circuit. • Configure at least one Show Configuration on the 2101 Hub • Configure at least one Studio Configuration on the 2101 Hub including the Show Configuration created above.
  • Page 7 TELOS 2101 USER’S MANUAL Program AES/EBU T-Link Port on Hold Output - Connects to Input 2101 Hub From Caller Desktop Director Ports (Analog) Dual format Each port supports two +4 (nom) signal with Desktop Directors for a Hybrid 1 on total of four.
  • Page 8 TELOS 2101 USER’S MANUAL SEND SEND CALLER Program to Caller to Caller on Hold (AES) (Analog) (Analog) Source 1&2 Data SEND CALLER CALLER to Caller T-LINK (Analog) (Analog) (AES) Analog Audio 1&2 AES/EBU Audio INTEGRAL T-LINK TELOS INTERFACE CONTROL &...

  • Page 9: Installation Checklist

    TELOS 2101 USER’S MANUAL Installation checklist (Copy this checklist and use it to help organize your installation) We suggest you look through the rest of section 1 before proceeding. Then work through this checklist as you prepare to install each 2101 Studio Interface.

  • Page 10: Connections To The 1.3.1 Connecting The 2101 Studio Interface To The 2101 Hub (Studio Interface Only )

    The Studio Interface ships with a single module in slot A, if you are building a redundant system you will need to add a second module (Telos Part # 1701-00048). Section 4 has information on installing or replacing these modules.
  • Page 11 TELOS 2101 USER’S MANUAL T-Link interface connector – Studio Interface FUNCTION R1 (Receive/Input) T1 (Receive/Input) Not Connected R (Transmit/Output) T (Transmit/Output) Not Connected Not Connected Not Connected The T-Link interface is a standard modular RJ-45 style jack with the pin-out shown above.
  • Page 12 TELOS 2101 USER’S MANUAL T-Link interface cable (for use with Rev B T-Link card in the 2101 Hub) T-Link Interface cable. Note: Pin 1 is to the left when viewed as above (with pins facing you and at the top).

  • Page 13: Desktop Director™ Connections (Studio Interface Only)

    A second Desktop Director can be added to each port (for a total of 4) using a Desktop Director Power Supply Kit (Telos part # 2001-00024) available from your Telos Dealer. Each Power Supply kit allows one additional Desktop Director.
  • Page 14 Desktop Director Power Supply Kit (Telos part # 20001-00024). A Desktop Director port is also used to connect the optional Telos TWO dual hybrid. This reduces the allowable number of Desktop Directors by two. See section 1.3.3 for information on connecting the Telos TWO to your Studio Interface.
  • Page 15 TELOS 2101 USER’S MANUAL 2101 STUDIO INTERFACE Desktop Director™ Ports (interface slots E (optional) & F) FUNCTION Not used Not used S Receive from Director + S Transmit to Director + S Transmit to Director - S Receive from Director -...

  • Page 16: Wiring Configurations For The Desktop Director

    TELOS 2101 USER’S MANUAL COLOUR DESCRIPTION White/Green Not used Green Not used White/Orange Xmt (TE to NT) to Network + Blue Rcv (NT to TE) from Network + White/Blue Rcv (NT to TE) from Network - Orange Xmt (TE to NT) to Network -...

  • Page 17: Multiple Desktop Directors On A Single Port

    TELOS 2101 USER’S MANUAL 250 feet (76 meters) maximum To Studio Interface Desktop Director Port The basic Desktop Director™ configuration is simple and straightforward. If the Desktop Director™ must be located more than 250 feet (76 Meters) from the 2101 Studio Interface you will need to use a local power supply (Desktop Director Power Supply Kit part # 2001-00024) to supply power to it.
  • Page 18 TELOS 2101 USER’S MANUAL 1100 feet (338 meters) maximum Distance "A" Power Supply To Studio Interface Desktop Director Port Distance "B" 8-Pin (RJ-45) Modular splitter (Included w/ NOTES: power supply) 1) A must be less than 120 feet (37 meters)

  • Page 19: Connecting The Telos Two To The Studio Interface - The S/T Interface (Telos Two Only )

    7. Reconnect the Desktop Director cable and turn the unit upright 8. Check for proper operation 1.3.3 Connecting the Telos TWO to the Studio Interface - The S/T Interface (Telos TWO only) When connecting to the Series 2101 Studio Interface you will be using the 8- position/8-pin miniature modular (RJ-45 style) jack on the back of the TWO.
  • Page 20 PS 2 Power 48 VDC - Brown PS 2 Power +/ground Not used on Telos TWO Used only in units shipped to the USA & Canada. Not needed when connecting to Studio Interface ISDN S interface cable wiring diagram. Both ends are wired identically.

  • Page 21: Studio Audio Connections

    Studio Audio Connections IMPORTANT! Unless otherwise indicated the following instructions apply to both the Series 2101 Studio Interface and the Telos TWO dual hybrid. Additional information on the Telos TWO is included in the manual shipped with that product. 1.4.1 Mix-Minus...
  • Page 22 TELOS 2101 USER’S MANUAL creative. The important thing to remember is that the hybrid must not “chase its tail,” where its output makes its way somehow back to the input. Some examples: Example 1: Using a broadcast console (mixing desk) A multibuss stereo broadcast console is in use.

  • Page 23: Why Do I Need A Mix-Minus

    A simple mix-minus using a spare bus. Why do I need a mix-minus? Adaptive hybrids, commonly used in broadcast applications since Telos pioneered the technology, work by comparing the audio sent down the line to the audio received back from the line. The system then adjusts itself to minimize send audio in the audio coming back (i.e.

  • Page 24: More On Mix-Minus

    TELOS 2101 USER’S MANUAL CURIOSITY NOTE! This is why we at Telos do not claim our hybrids will work without a mix minus. Sure, they might work without a mix- minus (it has been done), giving borderline performance, but that’s not good enough. Do the job right and use a mix- minus! An additional problem is the potential for feedback through the hybrid.

  • Page 25: Phones And Remotes

    TELOS 2101 USER’S MANUAL NOTE: NOTE: This must be turned This must be turned down or AUX 2 will no down or AUX 1 will no longer be a mix-Minus longer be a mix-Minus Mic Preamp OUTPUT OUTPUT FROM FROM...
  • Page 26 Conversely, if the far end is complaining of an echo, check your mix minus locally. The Telos Series 2101 Studio Interface really shows its stuff in this situation. Because of its superior trans-hybrid loss, the leakage is not at all likely to be a problem.

  • Page 27: Input- (To Caller ) Left & Right Analog Audio

    TELOS 2101 USER’S MANUAL Σ Main Program Output Microphone Other Sources Zephyr for music, etc. Telephone Trans- Mix-Minus Σ mission Path Σ Remote Σ Mix-Minus Talent Headset Studio Console Phone Hybrid REMOTE SITE STUDIO Diagram showing system set-up for remotes with delay in the transmission path and calls taken at the studio.
  • Page 28 See Section 3.1 & Section 3.3.1 for additional information. CURIOSITY NOTE! The Telos 2101 Studio Interface has the more common pin- outs used for three pin XLR inputs & outputs. You can easily remember the correct signals when wiring connectors using the phrase “George Washington Bridge.” Pin 1 = G = Ground, Pin 2 = W = “+”...

  • Page 29: Poh (Program On Hold) Input (Studio Interface Only)

    +18dBu (+4 dBu nominal input). HOT TIP! You do not need to provide a Program on Hold source to the optional Telos TWO Hybrid. The Program on Hold source fed to the Studio Interface will be used for all callers placed on hold in this studio.

  • Page 30: Aes/Ebu Digital Audio In/Out

    TELOS 2101 USER’S MANUAL 1.4.5 AES/EBU Digital Audio In/Out AES/EBU FUNCTION Ground Output + Output 0 AES/EBU Input & Output Connections These are inputs and outputs for AES/EBU format digital audio signals. Input 110 Ω. This input is internally sample-rate converted, so may accept sources at any of the common rates, from 32 to 48 kHz.

  • Page 31: Ac (Mains) Power

    TELOS 2101 USER’S MANUAL Output 110 Ω. The output can be synced and sample-rate converted to either the frequency of the AES IN signal, or locked to the ISDN network clock/system clock (@ 48kHz), depending upon a parameter in the Audio menu. Even if you are using the Analog inputs the AES/EBU input can be fed a reference signal to provide output synchronisation.
  • Page 32 TELOS 2101 USER’S MANUAL IMPORTANT SAFETY INFORMATION! If fuse replacement is required, please note: For continued protection against fire, replace fuse only with same type and value. See the DETAILED TECHNICAL INFORMATION section for information and cautions. PART IV THE STUDIO INTERFACE & ADDITIONAL HYBRIDS IV-32 SECTION 1 –...

  • Page 33: Remote Control Ports

    IMPORTANT! Unless otherwise indicated the following instructions apply to both the Series 2101 Studio Interface and the Telos TWO dual hybrid. Additional information on the Telos TWO is included in the manual shipped with that product. 1.6.1 Parallel Remote Control (Studio Interface only) This is a 15 pin D-Sub connector.

  • Page 34: Inputs

    TELOS 2101 USER’S MANUAL FUNCTION Ground Priority Ringing Out Record Start Out Record Stop Out <Reserved> Ring Mute In +5 VDC (400 mA max) User Out (Dump) Ringing Out <Reserved> <Reserved> This power pin is in parallel with pin 3 of the SAA ports Note that the +5 volts DC on pin 8 is in parallel with pin 3 on both SAA ports.

  • Page 35: Outputs

    TELOS 2101 USER’S MANUAL • A built in 1kΩ pull up resistor is provided so TTL outputs can be directly interfaced. See below for a simplified schematic of the input circuitry. + 5 V 3 0 v m a x...

  • Page 36: Special Auxiliary Access Ports

    TELOS 2101 USER’S MANUAL HOT TIP! These pins are ignored on a Telos TWO connected to a Studio Interface. 1.6.2 Special Auxiliary Access ports These ports are unimplemented and are reserved for future use. SAA 1 SAA 2 The input and output electrical characteristics are the same as the general purpose inputs and outputs, see section 1.6.1.
  • Page 37 Cables may be easily fabricated or may be obtained from a computer store. The following tables show the recommended cable configuration for connecting the 2101 Studio Interface or Telos TWO to 9 pin & 25 pin DTE (computer) serial ports. CABLE PIN OUT 9-PIN...
  • Page 38 TELOS 2101 USER’S MANUAL CABLE PIN OUT 25-PIN Computer Description Direction Studio Interface (DTE) (DCE) Transmit Data (TD) Receive Data (RD) *Request to Send (RTS) Not used *Clear to Send (CTS) *Data Set Ready (DSR) Signal Ground (SG) *Data Carrier Detect (DCD)

  • Page 39: Base-T Ethernet Connector

    HOT TIP! An IP address and Ethernet connection to the 2101 Studio Interface are required. However, no IP address, or Ethernet connection, is required to the Telos TWO extended hybrid during normal operation. A connection will be required during software updates however.
  • Page 40 TELOS 2101 USER’S MANUAL Blank, blank, blank, I tell you this page is blank! This writing? It does not exist. PART IV THE STUDIO INTERFACE & ADDITIONAL HYBRIDS IV-40 SECTION 1 – STUDIO INTERFACE INSTALLATION...

  • Page 41: Studio Interface Configuration

    (hooking up cables, etc) as described in section 1, with the exception of connecting the units to the LAN. See the Installation Checklist in section 1.2. NOTE: An IP address and Ethernet connection are optional for the Telos TWO extended hybrid. Preinstallation Work Sheet...

  • Page 42: System Programming Checklist (Copy This Checklist And Use It To Help Organize Your Installation)

    TELOS 2101 USER’S MANUAL System Programming Checklist (Copy this checklist and use it to help organize your installation) Set Audio-Input Source for Digital (AES/EBU) or Analog. See section 3.3.1 Set Input & Output levels. See sections 2.4 & 3.3.1 Enter TCP/IP & Subnet addresses. See sections 2.2.2 & 3.3.3...

  • Page 43: Initial Installation

    3.3.2 for information on other countries. Telos TWO Hybrid If the optional Telos TWO hybrid is present it will need to be programmed as well. This is determined by the Telco option in the Telco menu. Set it to “Natl I-1” when used in the USA &...

  • Page 44: Tcp/Ip & Hostname Setup (Studio Interface [Required] & Telos Two [Optional])

    Press the 5 button until the appropriate protocol is shown and press the Select button again to confirm. See section 3.3.2 for additional information on the correct choice. TCP/IP & Hostname Setup (Studio Interface [required] & Telos TWO [optional]) • Press the SYSTEM button...
  • Page 45 TELOS 2101 USER’S MANUAL TCP/IP Settings Audio Settings ↵ IP Addr 0.0.0.0 Hostname Subnet 0.0.0.0 • Move the dark cursor bar to IP Addr using the 6 key and press the Select button. Press the 5 repeatedly to erase any existing entry for IP Addr.

  • Page 46: Is This Studio Interface Working

    Desktop Director) section 2.1.2 for details. IMPORTANT TIP! If you are testing a studio with both a Studio Interface and an attached Telos TWO Hybrid, you will need to use an Extended Desktop Director (Telos part # 2001- 00072), which has 4 rows of line buttons) or you will be unable to access hybrids 3 and 4 (the two hybrids on the Telos TWO).
  • Page 47 If no show configurations appear check the LAN connections at this Studio Interface, 10/100 Base-T LAN hub and the 2101 Hub. Check the Telos 2101 hub is running and configured (see Part III). • First pick up the handset and push the line button in the left row for each line active in this Show Configuration, listening for dial tone.

  • Page 48: Levels, Levels, Levels

    TELOS 2101 USER’S MANUAL HOT TIP! Many business telephone lines have per- minute usage charges. Don’t forget to drop the call once your testing and configuration are complete. Levels, Levels, Levels Ok, we assume that you just made a call to yourself in section 2.5, above (if not, please follow those steps now).

  • Page 49: Time To Test It Out

    TELOS 2101 USER’S MANUAL that the lower this selection is set, the higher the levels on the unit’s meters, as this setting represents “nominal” input level. Next adjust your console output (mixing desk) level (for the mix-minus) if necessary. We suggest that you keep the peak level below a -6 to -7 reading, this will allow some room for error on the part of your operators.
  • Page 50 TELOS 2101 USER’S MANUAL • Confirm that the Desktop Director you will be using has power and says “Talent” at the top of the screen. If it says “Producer” follow the directions in Part V section 2.1.2 to change this Director to “Talent” mode.
  • Page 51 Desktop Directors) section 2.1.3 for details on selecting a show. If no show configurations appear check the LAN connections at this Studio Interface, 10/100 Base-T LAN hub and the 2101 Hub. Check the Telos 2101 hub is running and configured (see Part III).

  • Page 52: What Now

    TELOS 2101 USER’S MANUAL What now? Your basic installation is complete. Next you will want to look over other sections of this manual to further familiarize yourself with the 2101 Studio Interface and decide how to set up the following parameters: •...

  • Page 53: Detailed Configuration & Reference

    The four buttons to the right side of the numeric keypad and the 3 buttons to its left fall in this category. These buttons are also not used in the Telos TWO when it is part of a Series 2101 system.

  • Page 54: Level Metering

    Level Metering The Telos 2101 Studio Interface and Telos TWO hybrid include two dual LED dual meters. As is customary with digital equipment, these are peak reading meters with the topmost segment representing 0dBfs (digital 0). The following block diagram indicates where the metering takes place.
  • Page 55 AUDIO TELOS TWO - Signal Flow Simplified Block diagram of the 2101 Studio Interface’s integral Telos TWO dual hybrid. For the sake of simplicity only one audio channel is shown. The leftmost meter can display either the Studio Input levels (Send - to caller 1 & 2) from your console or the Hybrid Send levels (Line 1 and Line 2) to the phone line.

  • Page 56: Status Displays

    AGC activity) then push Select to confirm your choice The levels displayed are in decibels relative to the full-scale limit of the Telos 2101 Studio Interface (dBfs). Thus, 0dB represents the maximum level that can be passed through the system, above which clipping will occur.

  • Page 57: The Audio Menu

    TELOS 2101 USER’S MANUAL • AUDIO • • SYSTEM • STATUS Status, described above, is not really a menu, it presents screens for viewing only; there are no items that can be changed. See section 3.2 for details on this menu.
  • Page 58 TELOS 2101 USER’S MANUAL Input Gain Related to input Levels Input Gain Setting Analog Input Level (nom/clip) dBu - 7/+6 0/+13 +4/+17 +8/+18 AES Input Level dBfs - 27 Send Level This setting adjusts the level of the hybrid into the Telco line and is calibrated with 0dB representing the maximum allowable send level into the line (USA).
  • Page 59 The Receive AGC section serves to improve level consistency of incoming caller audio. Nominal levels of the telephone network vary as much as 30dB from call to call. The Telos 2101 Studio Interface uses a dB-linear approach to AGC with a feed-forward topology. This provides a consistent sound regardless of the drive level.
  • Page 60 TELOS 2101 USER’S MANUAL and residual hybrid leakage. This allows for considerable amounts of gain on low level callers while preserving excellent hybrid performance. Audio Settings Audio Settings Receive EQ Adaptive Rcv EQ Low [||||||+0 DB |||||||||||||||||] Rcv EQ High...
  • Page 61 TELOS 2101 USER’S MANUAL calls, this attenuation may be inappropriate because you may be able to hear the caller fade away when the level falls below the threshold. It has three settings as follows: • Off – Disables the noise gate •...
  • Page 62 TELOS 2101 USER’S MANUAL Separate routing treats hybrid 1 and hybrid 2 as completely independent hybrids. The only correlation between the two are the input and output gain levels, and certain other options that control both hybrids. The audio paths, however, are completely isolated from each other.
  • Page 63 TELOS 2101 USER’S MANUAL • Mix Panned This option causes the to Studio Input channels to be mixed equally and the resulting monaural send mix sent to each caller. The caller audio, however, is not mixed equally to the studio outputs. Studio Out 1 has a higher level of line 1 caller audio than line 2 caller audio;...
  • Page 64 TELOS 2101 USER’S MANUAL • Mix Mono This routing option causes the two Studio Send Input channels to be mixed equally, and the resulting monaural send audio is sent to each of the two callers. The caller audio is mixed equally and output on each of the Studio Outputs. The two callers will be able to hear one another through the hybrid.
  • Page 65 TELOS 2101 USER’S MANUAL • Mix Wide. As shown below, this audio routing option sends the same monaural audio to each caller as with Mix Mono and Mix Panned. The difference is that the Left Studio Output consists of only hybrid 1 received audio and the Right Studio Output only hybrid 2 received audio.
  • Page 66 TELOS 2101 USER’S MANUAL MIX- MINUS TIP! Recall that in section 1.4.1 we discussed a simple mix- minus consisting of a feed directly off the mic preamp. In that chapter we mentioned the drawback to that approach was the need for external equipment if more than one mic were used. If...

  • Page 67: The Tel Menu

    Please understand that inclusion on the following list does not imply that the Series 2101 has been tested or approved for use in any particular country on the list. Your Telos representative or Sales Engineer is your best source of information regarding tested compatibility in various countries.
  • Page 68 TELOS 2101 USER’S MANUAL Location Speech coding type (“Telco” setting) A-Law (Set to ETS 300) Americas Brazil Costa Rica Mexico u-Law (Set to any option but ETS 300) Americas Canada Dominican Republic Puerto Rico United States of America Venezuela Europe...

  • Page 69: The System Menu

    TELOS 2101 USER’S MANUAL A-Law (Set to ETS 300) Pacific Rim Australia China India Indonesia New Zealand Philippines Singapore Thailand u-Law (Set to any option but ETS 300) Pacific Rim Hong Kong Japan Korea Taiwan Slot A, Slot B, Slot C, Slot D (Series 2101 Studio Interface only) Your T-Link cards are in slots A &...
  • Page 70 TELOS 2101 USER’S MANUAL TCP/IP Setup (sub-menu) Selecting this option displays the TCP/IP Settings sub-menu with the following options. Selecting ↵ will return you to the System Settings menu. Audio Settings TCP/IP Settings ↵ IP Addr 0.0.0.0 Hostname Subnet 0.0.0.0 IP Addr This is the IP address for this Studio Interface.
  • Page 71 The software of the Series 2101 Studio Interface and the Series 2101 Hub interact. Therefore, we do not recommend upgrading the software on either component without first consulting Telos Customer Support. When contacting support please provide the current version number for both the 2101 Studio Interface and the 2101 Hub.
  • Page 72 Series 2101 Hub, we do not recommend that you update the software without consulting Telos Customer Support first (we’ll need the version of the software running on your 2101 Hub as well as the current version of software running on the Studio Interfaces). If you do wish to download new software press 5 or6 to highlight Yes and then press Select to begin the download process.
  • Page 73 TELOS 2101 USER’S MANUAL HOT TIP! If you get the error Cannot resolve host name the problem could be anything from your IP settings to your network cable. If the green LED on the 10Base- T connector is not lit then you are probably not connected to a working network hub.
  • Page 74 TELOS 2101 USER’S MANUAL 4. If the new software did not meet your needs, you can download another version once you have set your "Boot Bank" menu back to "primary" without first “committing” the version previously downloaded. Contrast Adjusts the contrast of the LCD. It takes values between 0 and 20. The usual setting for most situations is from 14 to 17.

  • Page 75: External Control

    Section 1.6.3 has details on the physical interface. Since the 2101 Studio Interface is intended for use only with the Telos Series 2101 Hub, there are no user commands that should be accessed through the RS-232 or Telnet commands. The following connection information is for the rare case where Telos Customer Support may require you to do so.

  • Page 76: Serial Port Commands (Studio Interface Only)

    Note also that the most complete source of documentation for these commands is the online help, accessed as shown below. Telos Customer Support will not be able to assist you beyond what is shown in that help file.
  • Page 77 TELOS 2101 USER’S MANUAL t FTPcommit FTPupdate FTPpath FTPsite IPdns IPgw IPmask IPaddr IPid IPset APinfo DDinfo LnMSN LnDN LnSPID LnTelco LnSet LnStudio LnStat LnState LnCIDset TaskInf o Version Log help ? Reboot Type '? <command>' to get specific help.
  • Page 78 TELOS 2101 USER’S MANUAL Name..: AudSendEQ Parameter..: AudSendEQ [0/1] Description: Display send EQ settings or turn [off (0)/on (1)] Name..: AudAESsync Parameter..: AudAESsync [I/E] Description: Set AES output synchronization to [Internal/External] Name..: AudOutGain Parameter..: AudOutGain [value] Description: Set Audio output gain to [value] Name..: AudDplx...
  • Page 79 TELOS 2101 USER’S MANUAL Name..: AudNoise Parameter..: AudNoise [0/1] Description: Display Noise Gating setting or change to [0 (off)/1 (on)] Name..: AudRoute Parameter..: AudRoute [value] Description: Display Routing or set to [value] Name..: AudStudAdapt Parameter..: AudStudAdapt [value] Description: Display current Studio Adapt setting or set to [value] Name..: AudBurst...
  • Page 80 TELOS 2101 USER’S MANUAL Parameter..: FTPupdate Description: Initiate remote software update Name..: FTPpath Parameter..: FTPpath [path] Description: Display or change FTP path Name..: FTPsite Parameter..: FTPsite [site] Description: Display or change FTP site Name..: IPdns Parameter..: IPdns [DNS] Description: Display or change DNS server Name..: IPgw...
  • Page 81 TELOS 2101 USER’S MANUAL Name..: APinfo Parameter..: APinfo Description: Display information on Assistant Producer connections Name..: DDinfo Parameter..: DDinfo [director] Description: Display information on all or a given director Name..: LnTelco Parameter..: LnTelco [switch] Description: Display current switch type and options or set switch type Name..: LnSet...
  • Page 82 TELOS 2101 USER’S MANUAL Name..: Version Parameter..: Version Description: Display system version information Name..: Log Parameter..: Log [source] Description: Display logging options or toggle [source] Allowable sources: ------------------------------------------------------------------------------------------------------- 0 : All Errors | 1 : Initialization | 2 :Phone Line Msg...

  • Page 83: Ethernet 10Base-T Control

    TELOS 2101 USER’S MANUAL Name..: Reboot Parameter..: Reboot Description: Restart this Studio Interface 3.4.2 Ethernet 10Base-T control A Telnet session can access the same functions available over the RS-232 port (see section 3.4.1 for a list of commands available). Simply use your favorite Telnet client to Telnet to the IP address of the 2101 Studio Interface you wish to control.

  • Page 84: Receive (Caller) Audio Processing

    TELOS 2101 USER’S MANUAL Send Equalizer Applies equalization to the audio sent to the caller. Choices are: • Off - No equalization (default) • On - Equalization for speech Enabling this equalizer (On setting) simulates a telephone handset microphone, and will improve intelligibility.
  • Page 85 Consequently, some form of receive equalization is desirable. See section 3.3.1 for details on how to adjust the DDEQ system. The Digital Dynamic EQ process used on the Telos is the most sophisticated equalizer available in a telephone hybrid. The purpose is to allow you to customize the sound of callers on your station.

  • Page 86: Duplex "Ducking" System

    TELOS 2101 USER’S MANUAL The Digital Dynamic EQ uses the Rcv EQ values (see below) as “target levels”. This allows you to customize the quality of the sound, but still get a consistent quality to the audio from caller to caller. Otherwise, the functioning is the same as Adaptive.
  • Page 87 TELOS 2101 USER’S MANUAL The problem here is that the mic processing combines with the 2101 Studio Interface’s internal AGC to increase gain in the feedback path. Depending on the mic processor used, the feedback margin can be reduced by many dB. The Studio Interface’s internal AGC has an internal adaptive smart-gate function to prevent...
  • Page 88 TELOS 2101 USER’S MANUAL This page left devoid of useful information intentionally. PART IV THE STUDIO INTERFACE & ADDITIONAL HYBRIDS IV-88 SECTION 3 – STUDIO INTERFACE: DETAILED CONFIGURATION & REFERENCE...

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