Audio Performance | Telos NX12 specification

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

♦♦ Output impedance <60 Ohms x2

♦♦ Analog-to-digital converter resolution 20 bits

Analog Outputs

♦♦ 2x receive analog outputs ♦♦ XLR male, pin 3 high.

♦♦ Input level Adjustable, -7 to +8 dBu (nominal) level. ♦♦ Impedance Bridging, >100K Ohms

♦♦ Digital-to-analog converter resolution 24 bits

♦♦ Headroom before clipping 20 dB from +4dBu nominal level

AES3 Digital Inputs/Outputs (option)

The AES input/output option module substitutes 2x input and 2x output AES XLRs in place of the standard analog, providing 4x in/4x out channels.

♦♦ Conform to AES3 standard

♦♦ Sample rates 32, 44.1, and 48kHz.

♦♦ Rate conversion Input and output, independently selectable ♦♦ Clock AES input or ISDN network clock.

♦♦ Input Level Adjustable -27 to –12 dBfs ♦♦ Output Level Adjustable –27 to –12dBfs

Livewire

♦♦ Livewire connection is standard for all hybrids in/out and POH audio in

Audio Performance

Frequency Response ± .5dB, 50 to 20kHz (swept sine procedure, measured from analog input to output with unit in loopback mode)

THD+N/Input <0.06% typical (Measured at 0 dBu @ 1 kHz analog in to AES out in loop- back mode)

Switching Matrix and Conferencing

♦♦ All-digital audio routing and switching

Image 102

Telos NX12 user manual Audio Performance, Switching Matrix and Conferencing

Contents

Telos Nx12 We support you Trademarks Telos Systems USA Telos EuropePage Table of Contents Basic Configuration Detailed Configuration & Reference Vii Specifications USA Isdn Ordering Guide Features & Benefits IntroductionWelcome to the Nx12 Why Isdn Makes Sense for Broadcast Talk Show Systems Introduction Two-Studio Modes Step up in Quality and Flexibility Installation Getting StartedConnections to the Telco circuits Connecting the Nx12 to Analog Lines Isdn TechnologyAlphabet Soup U, S, and NT1 Data and Voice Hunt GroupsSpecial Considerations for Euro-ISDN ETS 300 users Ordering Help Connecting the Nx12 to IsdnIsdn in USA & Canada Using the U Interface Interface Status LEDs Hot Tip Isdn S-interface cable Integration with a PBX Using IsdnUsing Pots USA and Canada Using a modern broadcast console’s mix-minus capability Studio Audio ConnectionsMix-Minus ‘Making do’ with an older console Using a small mixer Using a production-style consolePhones and Remotes Input To Caller Analog Inputs Analog Input XLR AES Digital Inputs Analog Outputs Output CallerPOH Program on Hold Inputs AES Digital Outputs Desktop Director Ports AES3 Output XLR Call Controller Desktop DirectorExtended Desktop Director Console Director Direct Connection Connecting Desktop DirectorsExtended Distance with Power Supply Multiple Desktop Directors on a Single Port Desktop Director Termination Removal Desktop Director Cable Connections Desktop Director AssemblyEthernet Line Designation Strip Parallel Gpio Remote Control Record Control Outputs See Section Input Characteristics Output Characteristics AC mains Power Surge ProtectionGrounding Basic Configuration Configuration for Telephone LinesStep-by-Step Analog Phone Line Setup Isdn Setup Basic configuration Is the Isdn working? More Tips Audio Input and Output Levels, Levels, Levels Time to test it out What now? Page Status Symbol Icons User OperationDesktop Director Call is On-Air Column Call is On-Air & Locked Column Line Button Columns Talent ModeProducer Mode Hold & Drop Block All Dialing KeypadFunction Buttons Record Control Volume MenusLCD Screen and Associated Buttons Menu Navigation Changing Between Producer and Talent Modes Other Menu options Normal Hold Using the Director in Producer ModeAnswering calls Screened Hold Conferencing callers on the handset/headset Using the Director in Talent on-air ModeBlock All Drop and Hold Next Conferencing multiple callers on-air using call lockingUsing the Director as a Telephone Locking VIP calls Call Controller Console Director Detailed Configuration & Reference Level MeteringFirst Step Status Displays Line Status Connected Desktop Director StatusAccepting Call Activated LCD/Button User Interface Web User InterfaceMenu Navigation & Item Selection Audio Menu Nominal Input Level Meter Mode Phone Send AdjustmentNominal Output Level Call Ducking Receive AGCNoise Gate Mix Minus Mode Receive EQ Caller Dynamic Digital EQ DdeqFeedback Reduction In/multiple out In/1 out AES Mode Channel default Hookflash Telco MenuPots Country Channel CPC loop drop threshold ms Web only Enable Auto Call Drop Web onlyLoop Current Checking Web only Ring-in Before Caller ID Web only Guessing the Isdn Protocol setting in Canada & the USA For Europe and many other parts of the worldFor USA & Canada and a few other parts of the world SPIDs and MSN/DNs Web Only MSN Multiple Subscriber Number DN Directory Number TCP/IP Setup System MenuClock Loss Show Mode LCD Only To enter IP addresses using the LCD/button interfaceContrast LCD Only Hold on Select Factory Defaults LCD OnlyReboot LCD Only Audio Loop LCD Only Firmware Update Web Only Show ModesSingle-studio Modes Sharing the Nx12 Two-studio Modes This option causes the system to be split as follows Selecting a Show using a Desktop Director Selecting a Show using a Console Director LivewireSelecting a Show using a Call Controller Connecting Assistant Producer to a Show Section Quality of Service Axia Consoles Firmware Update Other Uses of the IP/Ethernet InterfaceCall-control Software Windows Telnet Login Telos returnTelnet Help return ? CPC return ? Isdnlog return System Signal Flow and Audio Processing Send Audio ProcessingReceive Caller Audio Processing Noise Gate High-pass ‘hum’ FilterReceive Automatic Gain Control Digital Dynamic Equalizer Feedback Control Section Overview Technical Data & TroubleshootingGeneral Troubleshooting System Software & Firmware Section Troubleshooting Isdn Problems Status Screen for Isdn troubleshootingSpid Pending Are you using the Nx12’s internal NT1? USA & Canada only Condition Can’t Get Isdn Ready Indication Are your SPIDs and Telco setting correct? Is your long-distance carrier OK?What does the Isdn Cause phrase say? What is consistent about the problem look for patterns? Condition Intermittent Isdn ProblemsAre the problem confined to incoming call only? Any other Isdn troubleshooting tips? Access to the Main PCB Troubleshooting Desktop Director ProblemsFuse Replacement Replaceable Modules and Hardware Servicing Isdn Cause Phrases/Values Class 1.1 normal Cause No Prefix 1 not dialed DMS Custom only Cause No Call is proceeding/PreemptionCause No Preemption, reserved Cause No Excessive Digits Received, call is proceeding Cause No Destination out of order Class 1.2 resource unavailableCause No Non-selected user clearing Cause No No circuit available circuit/channel congestion Class 1.3 service or option not available Class 1.4 service or option not implemented Class 1.6 protocol error e.g. unknown message Class 1.5 invalid message e.g. parameter out of range Cause No Protocol Error, unspecified Cause No Invalid information element contentsCause No Timeout disconnect Recovery on timer expiration Cause No Message type non-existent or not implemented Class 1.7 interworking class Cause No Bearer service unavailable VN 4 onlyCause No Switch to conversation mode VN 4 only Cause No SW56 disconnect Internetworking, unspecified Section Specifications GeneralProcessing Functions Switching Matrix and Conferencing AudioAudio Performance Desktop Director Ports Isdn Telephone Line ConnectivityAnalog Telephone Line Connectivity Control Ports Four-Column/Four-Hybrid Mode Euro Operation Mode Specifications Page Warranty and Application Caution Telos Nx12 Limited WarrantyPage A1 USA SPIDs by Telco Nextlink/XO Century TelephoneCincinnati Bell Fort Mills Telephone Sprint/Centel Quest- See US West Rochester TelephoneSouthwestern Bell Standard Telephone GA 102 Bit Error Rate Test-See Bert A2 Telephone Terminology Guide Calling Party Control- See CPC Circuit Switched Data- See CSD Appendix Extended Superframe. See ESF Interexchange Carrier- See IEC Listed Directory Number- See LDN Appendix Regional Bell Operating Company- See Rboc Superframe- See SF Guide to telephone terminology Appendix Details, Details A3 USA Isdn Ordering GuideDealing with the Phone Company Protocols SPIDs Directory Number DNCSD and CSV Terminals and Terminal Types Faxable Isdn Order Form for the USA & CanadaNT1s IOC Capability Packages provisioning package Isdn BRI Line Order Protocol National ISDN-1 CO Values Protocol AT&T Point-to-Point Custom A4 Euro-ISDN Ordering Guide NamesMultiple Subscriber Numbers MSN Faxable Isdn Order Form for Euro ETS Line Deactivation ETS-300 Euro-ISDN Telos Nx12