Summary of Contents for Telecast Adder TD161
-
Page 1: Instruction Manual
Adder™ TD161 Tap and Drop Audio System Instruction Manual Telecast Fiber Systems, Inc. 102 Grove Street Worcester, MA 01605 Tel: 508-754-4858 Fax: 508-752-1520 www.telecast-fiber.com... - Page 2 Adder™ TD161...
-
Page 3: Table Of Contents
Telecast Fiber Systems Telecast Adder TD161 Table of Contents Introduction Installation Removal of Rack mount Adapters Line Power Connection Alarms- Setup and Disarming Rear Panel Connections Optical Connections Fiber and coaxial Cabling Cabling Limitations Front Panel and Audio Output Selection... - Page 4 Adder™ TD161 The TD161 Rear (top) and Front (bottom)
-
Page 5: Introduction
Telecast Fiber Systems Introduction The Telecast TD161 provides an audio and data tap on either the output fiber or output coaxial cable of a Telecast Adder 161 TX or of another TD161. Functions described in this manual for use with optical fiber also apply to coaxial cable. Both fiber and coaxial cable can be connected at the same time for transmission backup. -
Page 6: Installation
Adder™ TD161 Installation Unpacking The Adder TD161 consists of: • One Adder TD161 tap and drop unit • One external power supply (AC/DC adapter) • Plastic covers for optical connectors • Pre-installed rack mount adapters After unpacking, inspect the unit for mechanical damage and inspect all electrical connectors for bent or damaged pins. -
Page 7: Line Power Connection
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: •... -
Page 8: Rear Panel Connections
Adder™ TD161 Rear Panel Connections All connections to the Adder TD161 are made at the rear panel; see Figure 4. 2 Amp Fuse A 2-amp time delay power fuse is at the left side of the rear panel. Be sure to use the same fuse type if replacement is required. -
Page 9: Optical Connections
Never look directly into the end of a connected optical fiber while any component of the system is operating. Eye damage is possible. The Adder TD161 is compatible with industry standard ST type connectors. It may be used with installed backbone cables or with dedicated cables. -
Page 10: Fiber And Coaxial Cabling
Fiber and Coaxial Cable Runs The installer is responsible for providing the fiber optic cable runs, available from Telecast Fiber Systems, Inc. Be sure that the fiber core diameters are compatible with the option selections and intended installation distances, as shown in Table 2. -
Page 11: Status Indicators
Telecast Fiber Systems Status Indicators There is a Signal LED and a red OL Overload LED for each odd and even channel. Signal LED which illuminates green at the presence of a digitized audio signal that the TD161 will demultiplex from the fiber. -
Page 12: Powering Up
Adder™ TD161 Powering Up Note: Never try to move the power switch on the front panel without first pulling on the switch lever to disengage its lock. With power off, check all electrical and optical connections as described under Rear Panel Connections on page 4 and under Optical Connections on page 5. -
Page 13: Circuit Details
Telecast Fiber Systems Circuit Details • As a demultiplexer, the Adder TD161 separates a selected contiguous pair of odd and even channels from the multiplexed signal it receives from the fiber or coaxial cable. It then converts the audio information back into analog signals. -
Page 14: Specifications
Adder™ TD161 Specifications Audio Characteristics Output Signal Level 30 W balanced output into 600 W +18 dBm peak Frequency response from DC to 25 KHz @ +8 dBm ±0.2 dB Total Harmonic Distortion from 20 Hz to 20 KHz @ +8 dBm <0.05% 1 KHz @ +18 dBm <0.01%... -
Page 15: Warranty
A claim of defect in materials or workmanship in any Product shall be allowed only when it is submitted in writing to Telecast Fiber Systems, Inc. within seven days after discovery of the defect, and in any event within the Warranty Period. - Page 16 Adder™ TD161...
Need help?
Do you have a question about the Adder TD161 and is the answer not in the manual?
Questions and answers