Specifications, General, Processing Functions | Telos NX12 instruction

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7 Specifications

General

Interface for connecting six ISDN BRI (S0) or twelve analog telephone lines to professional studio equipment. Includes four high-performance digital hybrids and a digital matrix switch. All hybrids can be dedicated to a single studio for excellent conferencing results, or the Nx12 may be used to serve two studios, with two hybrids each.

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.

Processing Functions

General

♦♦ Telos 3rd-generation adaptive digital hybrids

♦♦ Telos exclusive feedback reduction functions, including Acoustic Echo Cancellation

Send (to caller) Processing

♦♦ Sample rate conversion ♦♦ High-pass filter

♦♦ Frequency shifter ♦♦ AGC/limiter

♦♦ Pgm-on-Hold AGC/limiter ♦♦ Sample rate conversion

Receive (from caller) Processing

♦♦ High-pass “hum” filter

♦♦ Smart AGC/platform leveler ♦♦ Noise gate

♦♦ Telos’ DDEQ (Digital Dynamic Equalization) 3-band adaptive spectral control processor ♦♦ Sample rate conversion

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Telos NX12 user manual Specifications, General, Processing Functions

Contents

Telos Nx12 Trademarks We support you Telos Europe Telos Systems USAPage Table of Contents Basic Configuration Detailed Configuration & Reference Vii Specifications USA Isdn Ordering Guide Welcome to the Nx12 Features & BenefitsIntroduction Why Isdn Makes Sense for Broadcast Talk Show Systems Introduction Step up in Quality and Flexibility Two-Studio Modes Connections to the Telco circuits InstallationGetting Started Alphabet Soup U, S, and NT1 Connecting the Nx12 to Analog LinesIsdn Technology Special Considerations for Euro-ISDN ETS 300 users Data and VoiceHunt Groups Isdn in USA & Canada Using the U Interface Connecting the Nx12 to IsdnOrdering Help Interface Status LEDs Isdn S-interface cable Hot Tip Using Pots Using IsdnIntegration with a PBX USA and Canada Mix-Minus Using a modern broadcast console’s mix-minus capabilityStudio Audio Connections ‘Making do’ with an older console Phones and Remotes Using a small mixerUsing a production-style console Analog Inputs Input To Caller AES Digital Inputs Analog Input XLR POH Program on Hold Inputs Output CallerAnalog Outputs AES Digital Outputs AES3 Output XLR Desktop Director Ports Extended Desktop Director Desktop DirectorCall Controller Console Director Extended Distance with Power Supply Connecting Desktop DirectorsDirect Connection Multiple Desktop Directors on a Single Port Desktop Director Cable Desktop Director Termination Removal Ethernet Desktop Director AssemblyConnections Line Designation Strip Record Control Outputs See Section Parallel Gpio Remote Control Output Characteristics Input Characteristics Grounding AC mains PowerSurge Protection Step-by-Step Basic ConfigurationConfiguration for Telephone Lines Isdn Setup Analog Phone Line Setup Basic configuration More Tips Is the Isdn working? Levels, Levels, Levels Audio Input and Output Time to test it out What now? Page Desktop Director Status Symbol IconsUser Operation Call is On-Air Column Call is On-Air & Locked Column Producer Mode Talent ModeLine Button Columns Hold & Drop Function Buttons Block AllDialing Keypad LCD Screen and Associated Buttons Volume MenusRecord Control Menu Navigation Other Menu options Changing Between Producer and Talent Modes Answering calls Using the Director in Producer ModeNormal Hold Screened Hold Block All Using the Director in Talent on-air ModeConferencing callers on the handset/headset Drop and Hold Using the Director as a Telephone Conferencing multiple callers on-air using call lockingNext Locking VIP calls Console Director Call Controller First Step Detailed Configuration & ReferenceLevel Metering Line Status Status Displays Accepting Call Desktop Director StatusConnected Activated Menu Navigation & Item Selection LCD/Button User InterfaceWeb User Interface Nominal Input Level Audio Menu Nominal Output Level Meter ModePhone Send Adjustment Noise Gate Call DuckingReceive AGC Feedback Reduction Mix Minus ModeReceive EQ Caller Dynamic Digital EQ Ddeq In/multiple out In/1 out Channel default AES Mode Pots Country Telco MenuHookflash Channel Loop Current Checking Web only Enable Auto Call Drop Web onlyCPC loop drop threshold ms Web only Ring-in Before Caller ID Web only For USA & Canada and a few other parts of the world Guessing the Isdn Protocol setting in Canada & the USAFor Europe and many other parts of the world SPIDs and MSN/DNs Web Only DN Directory Number MSN Multiple Subscriber Number Clock Loss TCP/IP SetupSystem Menu Contrast LCD Only Show Mode LCD OnlyTo enter IP addresses using the LCD/button interface Reboot LCD Only Factory Defaults LCD OnlyHold on Select Audio Loop LCD Only Single-studio Modes Firmware Update Web OnlyShow Modes This option causes the system to be split as follows Sharing the Nx12 Two-studio Modes Selecting a Show using a Desktop Director Selecting a Show using a Call Controller LivewireSelecting a Show using a Console Director Connecting Assistant Producer to a Show Section Axia Consoles Quality of Service Call-control Software Firmware UpdateOther Uses of the IP/Ethernet Interface Telnet Login Telos returnWindows Telnet Help return ? Isdnlog return ? CPC return Receive Caller Audio Processing System Signal Flow and Audio ProcessingSend Audio Processing Receive Automatic Gain Control High-pass ‘hum’ FilterNoise Gate Digital Dynamic Equalizer Feedback Control Section General Troubleshooting Technical Data & TroubleshootingOverview System Software & Firmware Section Spid Pending Troubleshooting Isdn ProblemsStatus Screen for Isdn troubleshooting Condition Can’t Get Isdn Ready Indication Are you using the Nx12’s internal NT1? USA & Canada only What does the Isdn Cause phrase say? Are your SPIDs and Telco setting correct?Is your long-distance carrier OK? Are the problem confined to incoming call only? Condition Intermittent Isdn ProblemsWhat is consistent about the problem look for patterns? Any other Isdn troubleshooting tips? Fuse Replacement Troubleshooting Desktop Director ProblemsAccess to the Main PCB Replaceable Modules and Hardware Servicing Class 1.1 normal Isdn Cause Phrases/Values Cause No Preemption, reserved Cause No Call is proceeding/PreemptionCause No Prefix 1 not dialed DMS Custom only Cause No Excessive Digits Received, call is proceeding Cause No Non-selected user clearing Class 1.2 resource unavailableCause No Destination out of order 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 1.5 invalid message e.g. parameter out of range Class 1.6 protocol error e.g. unknown message Cause No Timeout disconnect Recovery on timer expiration Cause No Invalid information element contentsCause No Protocol Error, unspecified Cause No Message type non-existent or not implemented Cause No Switch to conversation mode VN 4 only Cause No Bearer service unavailable VN 4 onlyClass 1.7 interworking class Cause No SW56 disconnect Internetworking, unspecified Section Processing Functions SpecificationsGeneral Audio Performance Switching Matrix and ConferencingAudio Analog Telephone Line Connectivity Isdn Telephone Line ConnectivityDesktop Director Ports Control Ports Euro Operation Mode Four-Column/Four-Hybrid Mode Specifications Page Telos Nx12 Limited Warranty Warranty and Application CautionPage A1 USA SPIDs by Telco Cincinnati Bell Century TelephoneNextlink/XO Fort Mills Telephone Southwestern Bell Quest- See US West Rochester TelephoneSprint/Centel Standard Telephone GA 102 A2 Telephone Terminology Guide Bit Error Rate Test-See Bert 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 Dealing with the Phone Company A3 USA Isdn Ordering GuideDetails, Details Protocols CSD and CSV SPIDsDirectory Number DN NT1s Faxable Isdn Order Form for the USA & CanadaTerminals and Terminal Types IOC Capability Packages provisioning package Isdn BRI Line Order CO Values Protocol National ISDN-1 Protocol AT&T Point-to-Point Custom Multiple Subscriber Numbers MSN A4 Euro-ISDN Ordering GuideNames Line Deactivation Faxable Isdn Order Form for Euro ETS ETS-300 Euro-ISDN Telos Nx12