User guide
Table Of Contents
- Important Safety Instructions
- Operating a TW-60
- Introduction
- Description
- Front Panel Controls and Indicators
- Rear Panel Controls and Indicators
- Transmit Delay
- Installing a TW-60
- Connection to Radios
- Wiring the Two-Way Radio Cable
- Setup Switches
- Rack Mounting
- Connecting the TW-60
- Verifying Operation of the TW-60 System
- Technical Reference
- Block Diagram
- Specifications
- Warranty
- Warranty Repairs
- Non-Warranty Repairs
TW-60 PUBLIC SAFETY RADIO INTERFACE
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SPECIFICATIONS
Transmit Output
To radio microphone Transformer isolated
Microphone Type Carbon, dynamic or electret
Level: -57 dBv to +11 dBv *
Frequency Response 100 - 15,000 Hz, ±3 dB
Transmit Key N.O. or N. C. dry contacts
Transmit Audio Delay 0 to 5 seconds in 12 steps
Receive Input
From radio earphone: Transformer isolated
Impedance: 400 ohms balanced. Level: -8 dBv to +23 dBv *
Frequency Response 100 - 15,000 Hz, ±3 dB
Rear Panel Connectors
Two-Way Radios (4) DB-9F (1 per channel)
Matrix Audio (4) RJ-45 (1 per channel)
Matrix GPI Control (1) DB-9M
AC Power (1) IEC 320 connector
Rear Panel Controls
Power Switch (1) Rocker switch
Front Panel Controls
Receive Level Adjust (4) Trimpots (1 per channel)
Transmit Level Adjust (4) Trimpots (1 per channel)
Transmit Delay (4) 12-position rotary switch (1 per channel)
Front Panel Indicators
Receive Audio (4) Green LEDs (1 per channel)
Transmit Key (4) Red LEDs (1 per channel)
Transmit Audio Level (4) Red/Green LEDs (1 per channel)
Power On (1) Green LED
Power Fault (1) Red LED
Power Requirements
100-250 VAC, 50 - 60 Hz, 70 W (max)
Environmental
32 - 122° F (0 - 50° C)
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