TC8612 Rev 1.1 User Manual
1-1
Chapter 1
Introduction
1.1
General Information
This manual is intended to describe the features and functionality in addition to
aiding in the planning, configuring, commissioning and maintaining of the
TC8612 Digital I/O (DIO) over T1/E1 multiplexer.
1.2
Product Description
The Model TC8612 8-Channel DIO over T1/E1 multiplexer is economical, simple
to install and comes standard with built-in power redundancy.
Diagnostics include DIP switches for Local & Remote Loopback and other
application configuration switches. Each unit also provides multiple LEDs for
Alarm, Power, Vcc, T1/E1 Status, and RLY & DET status LEDs for each channel.
Optional “Dry Contact Status Hold”*. When this feature is enabled, the dry contact
will retain the last “Open” or “Close” status if the T1/E1 link is broken.
A built-in sync mechanism verifies both device and T1/E1 link operation. No other
test equipment is required for link and device verification.
The TC8612 is compatible with standard 100
Ω
T1 for copper line lengths up to
6000ft and up to 2.5km for 75
Ω
/ 120
Ω
E1 (copper line length is the distance
between the TC8612 and the T1/E1 cross-connect). The T1/E1 uses a RJ48F
connector and the dry contact channels use RJ11 connectors.
An optional BNC adapter cable is available for 75 Ohm E1. Standard power is
12VDC or optional 24VDC, -48VDC, 125VDC, or 115/230VAC with an external
power cube. A high temperature version (-20°C to 70°C) and extreme temperature
version (-40°C to 80°C) are available for harsh environments.
*Contact factor for options
