ACS-160 Series & STL-160 Series T1 Multiplexer Installation & Operation
2 – Functional Description
Version 2.11, August 2011
2-26
Harris Corporation
Intraplex Products
Figure 2-20. B8ZS Zero Substitution Line Coding
B8ZS is the preferred form of line coding and should be used instead of AMI whenever possible.
However, some older networks do not support it.
2.2.2
Terminal Multiplexers
For terminal multiplexers, a 3RU shelf can accommodate one or two plug-in power supplies, AC or DC.
A 1RU shelf contains a single, fixed AC power supply. The next sections discuss single and dual
terminal multiplexers.
2.2.2.1 Single Terminals (ACS-163, ACS-167)
The ACS-163 and ACS-167 terminal multiplexers serve as an interface between a single T1 circuit and
multiple voice, program, data, and other types of payload circuits (Figure 2-21).
Figure 2-21. Single Terminal Multiplexer Configuration
The ACS-163 multiplexer is a 3RU (5¼" high) shelf that accommodates up to sixteen channel
modules, while the ACS-167 multiplexer is a 1RU (1¾" high) shelf that accommodates up to five
channel modules. The 3RU shelf can accommodate one or two plug-in power supplies, AC or DC. The
1RU version contains a single, fixed AC power supply. The functionality of these two multiplexers is
otherwise identical.
2.2.2.2 Dual Terminal Multiplexer (ACS-166, ACS-169)
The ACS-166 dual terminal multiplexer is a 3RU (5¼" high) shelf that provides two separate T1
terminals in one chassis (Figure 2-22). Each T1 circuit is supported by one CM-5RB module and has
eight slots available for channel modules. The ACS-169 is a 1RU (1¾" high) shelf that accommodates
up to four channel modules. The functionality of these two multiplexers is otherwise identical.
Summary of Contents for ACS-163
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