Clear-com TEL-14 User Manual

TEL-14 TWO-CHANNEL TELEPHONE INTERFACEINSTRUCTION MANUALCLEAR-COM ECLIPSE

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE1-4"Auto Gain" Status LEDsThese green and yellow LEDs indicate the currently selected “auto gain” mode

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE1-5AUTOMATIC TELEPHONE LINE NULLThe TEL-14 features sophisticated automatic nulling circuitry, in addition to it

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE1-6The above initial automatic nulling process should not need to be repeated, unless the telephone line connect

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE1-7If you are calling from an outside line in “self-service dial-in” mode, the audio paths are normally preset a

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE1-8equipped with a keypad must originate the call, either he or she must have a key programmed to activate a DTM

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE2-1INSTALLATIONINTRODUCTIONThis chapter describes the TEL-14 two-channel auto-nulling telephone interface and it

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE2-2DESCRIPTIONThe TEL-14 allows two standard loop start POTS (Plain Old Telephone Service) lines to connect to p

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE2-3WIRINGTEL-14 INTERFACE WIRING FOR AN IMF-3 INTERFACE FRAMEThe TEL-14 line A circuit is connected to the matri

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE2-4It is preferable to use a series-connected telephone set with the TEL-14. This will prevent the impedance of

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE2-5connected to a different telephone line. Once this nulling procedure is performed, the TEL-14 will remember t

TEL-14 Two-Channel Telephone Interface Instruction Manual© 2007 Vitec Group Communications Ltd. All rights reserved.Part Number 810308Z Rev. 3Vitec

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE2-6impedance of the line be within these standards. The length of the telephone line between the TEL-14 and the

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE2-7Figure 2-3: TEL-14 Option SwitchesMatrix Compatibility Option SwitchesThe TEL-14 is compatible with Matrix Pl

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE2-8headsets are used. However, if two TEL-14 lines were connected into the same party line, it would be advantag

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE2-9the TEL-14 to seize the line. The station can also pick up a call on the TEL-14 line.When Matrix Control is d

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE2-10Switch S1-4 Sense Reorder Tone: The TEL-14 can automatically disconnect from the telephone line when it sens

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE2-11S5-2 should always be operated in concert so that either both are ON or both are OFF. If the TEL-14 is used

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE2-12•Self-service dial-in• Manual call screening• Intercom-to-intercom• Party line dial-inFor operating instruct

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE2-13The operator can also originate outside calls on the standard telephone, and make them available to destinat

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE2-14PARTY LINE DIAL-IN MODETwo TEL-14 lines may be programmed into the same party line. The TEL-14s should be se

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE3-1MAINTENANCE INTRODUCTIONThis chapter provides a block diagram and a troubleshooting guide for the TEL-14 two-

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE iCONTENTSOPERATION 1-1Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE3-24. A telephone call to the TEL-14 cannot be answered from a station. The red Ring/Off Hook LED lights when t

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE3-310.Excessive echo, background noise, or instability is heard during telephone calls or just at the start of a

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE3-4BLOCK DIAGRAMFigure 3-4: Block Diagram of TEL-14 Telephone InterfaceRing DetectLine A Seize, Hold, Disconnec

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE4-1SPECIFICATIONSAUDIOFrequency Response 300 Hz - 3500 HzSend Gain Control Range ± 12 dBSend Gain (@ 0 dB sett

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE4-2OPERATING ENVIRONMENTTemperature Between 0 and 70× C (32-150× F)PACKAGE DIMENSIONSFrame Slot

WARRANTY iLIMITED WARRANTYVitec Group Communications (VGC) warrants that at the time of purchase, the equipment supplied comp

WARRANTYii Telephone for the Americas and Asia: +1 510 337 6600Email: [email protected] Once the standard warranty period has expire

WARRANTY iiiNote: VGC does not offer warranty extensions on UHF wireless intercom systems, or on any product with a 1-year or

WARRANTYiv

TEL-14 TWO-CHANNEL TELEPHONE INTERFACEii

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE iiiIMPORTANT SAFETY INSTRUCTIONS1. Read these instructions.2. Keep these instructions.3. Heed all warnings.4. F

TEL-14 TWO-CHANNEL TELEPHONE INTERFACEivFigure 1: Safety SymbolsEMC AND SAFETYThe TEL-14 Telephone Interface meets all relevant CE and FCC specificati

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE1-1OPERATIONINTRODUCTIONThis chapter describes how to use the TEL-14 two-channel auto-nulling telephone interfac

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE1-2Note: When using the TEL-14 with a speaker station, keep the panel mic gain low. In general, keep all gain c

TEL-14 TWO-CHANNEL TELEPHONE INTERFACE1-3"Ring/Off-Hook" LEDThe "ring/off-hook" LED flashes red when the telephone line receives a