ACS-160 Series & STL-160 Series T1 Mux Installation & Operation 6-Testing & Troubleshooting
Version 2.11, August 2011
6-2 Harris Corporation
Intraplex Products
● Status Monitoring: The twelve indicator lights on the module’s right side have these functions:
• T1 status
• Primary timing status
• Loopback activity
• CPU activity
Figure 6-1. CM-5RB Module, Front View
Note: Because CM-5RB modules install vertically in 3RU multiplexers, “up” and “down” on the toggle
switches actually refer to your right and left respectively in an ACS-163, ACS-165, or ACS-166
unit (Figure 6-2).
Figure 6-2. GROUP and SET/NEXT Switches in 3RU Shelf
The power supply has four additional system status lights, which are visible when the front cover of
the shelf is closed (Figure 6-3). Table 6-1 summarizes the light indications for both the CM-5RB
module and the power supply. Section 2.1.3.7 – CM-5RB User Interface gives more detailed CM-5RB
functional descriptions, and Section 2.1.5 – Power Supply Modules gives more details on power
supplies.
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