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 Telecast Fiber Systems, Inc.

102 Grove Street

Worcester, MA 01605

Tel: 508-754-4858

Fax: 508-752-1520

www.telecast-fiber.com

  Adder™ TD161

  Tap and Drop Audio System

   Instruction Manual

Содержание Adder TD161

Страница 1: ...Telecast Fiber Systems Inc 102 Grove Street Worcester MA 01605 Tel 508 754 4858 Fax 508 752 1520 www telecast fiber com Adder TD161 Tap and Drop Audio System Instruction Manual ...

Страница 2: ...Adder TD161 ii ...

Страница 3: ...ts by Input Output Option 6 Telecast Adder TD161 Table of Contents Introduction 1 Installation 2 Removal of Rack mount Adapters 2 Line Power Connection 3 Alarms Setup and Disarming 3 Rear Panel Connections 4 Optical Connections 5 Fiber and coaxial Cabling 6 Cabling Limitations 6 Front Panel and Audio Output Selection 6 Status Indicators 7 Power Supply 7 Powering Up 8 Setup Procedures 8 Circuit Det...

Страница 4: ...Adder TD161 iv The TD161 Rear top and Front bottom ...

Страница 5: ... for transmission backup Introduction The audio drop consists of two adjacent odd even demultiplexed audio channels from the 16 channels that are multiplexed onto the fiber Data channels 1 and 2 on the fiber are also tapped off and ported to the data DB 9 connectors on the rear panel of the TD161 these data channels contain both the digital data stream and switch closure information that had been ...

Страница 6: ... to the modules Replace the caps on the connectors whenever the fiber is disconnected Removal of Rack Mount Adapters Modules are shipped ready for rack mount use On the TD161 all connections are made to the rear panel place each module in its intended location before attaching any cables or wires This will prevent accidental damage to the cables or their connectors The rack mount adapters on eithe...

Страница 7: ...ded with your module requires 120 VAC If the module is rack mounted be sure that an AC outlet is within reach of the supply s 6 foot power cord Plug the power supply into the Switchcraft 4 pin connector on the rear panel labelled Power Input Telecast Part ADAP AC 02 is recommended Alarm Setup A high pitched beeping alarm is sounded under two precautionary conditions Alarm 1 sounds whenever the bat...

Страница 8: ...l switch to the first of these connections that provides an active input Fiber Coax TX Multiplexed optical and electrical signal outputs from the Adder TD161 Note Regardless of the input used by the module both outputs are always active and exactly reproduce the received multiplexed audio and data signal Note This receptacle is not the same as on the Adder 161 which utilizes XLR connectors for bot...

Страница 9: ...nector manufacturer s directions when fastening a connector to the cable A Quick crimp kit part number CKIT ST QC is available from Telecast Connect the fiber from the Adder 161 TX to the TD161 input If using a coaxial cable cap the optical connectors on the rear panel to protect them Connect a fiber or coaxial cable to port the complete multiplexed signal to the output of the next TD161 or to an ...

Страница 10: ... signal level If the system is to be used with coaxial cable use Belden type 8281 or equivalent 75 coax The maximum length for coaxial cable is 305 meters 1000 feet Practical Limitations on Fiber and Coaxial Cable Runs The TD161 may be cascaded to provide a large number of channel and data drops along the system however practical limits will be encountered in relation to time delays and phase shif...

Страница 11: ...the signal status Coax LED which illuminates green when the signal reaching the TD161 is on the coaxial input Fiber LED which illuminates green when the signal reaching the TD161 is on the optical fiber input Note The TD161 input will automatically switch to the input that first exhibits a signal Status LED which illuminates green when the TD161 has locked onto an input and is able to tap and drop...

Страница 12: ... an Adder 161 TX or another TD161 2 Connect the audio terminal block odd and even channel outputs and if being used connect the DB 9 connector data outputs 3 Use the Output Select rotary switch on the front panel to choose the set of odd even audio channels to be tapped from the fiber 4 If you intend to tap digital data only set the Output Select switch to either of the Mute position 5 Insert a sm...

Страница 13: ...mation back into analog signals The fiber and coax inputs and outputs are identical regardless of the TD161 Output Select switch setting Both data channel outputs on the TD161 are always on and will output the data stream on the input fiber or coaxial cable Controls and status indicator lights are on the front panel Inputs and outputs are on the rear panel The Data 1 and Data 2 outputs on the rear...

Страница 14: ...ts sec RS 232 8 Vp p 0 19 2 KBits sec Jitter 1 12 msec higher rates possible dependent on user system jitter tolerance Contact Closure Data 1 and 2 Output Ratings Form 1A SPST NO isolated contacts Voltage 200 VDC Switched current 500 mA Carry current 1 2 Amps Contact resistance 200 mW Power Requirements Voltage 12 to 24 VDC Current 1 5 Amps nominal Optical Characteristics Wavelengths 850 nm 1310 n...

Страница 15: ... inadequate maintenance and care Nor shall this warranty apply to any damage caused in whole or in part by attempts by personnel other than Telecast s personnel as approved in advance in accordance with the foregoing provisions to open install repair or service the Product nor to damage resulting from improper connection with incompatible equipment nor to damage to a unit which has been modified b...

Страница 16: ...Adder TD161 12 ...

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