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3 User Functions MIX 56 User Manual
3-2 Telect, Inc. 122188-10 A0
Step Action
1. To test the LEDs, press and hold the button marked ACO/LMP for
three seconds:
• All LEDs on panel, except for Crt and Maj, change to yellow;
• Crt and Maj change to red;
• Active M13 card LEDs cycle between green and yellow at one
cycle per second; and
• The ACO resets.
2. To end the test and return the LEDs to their previous state, release
ACO/LMP.
3. If you need to disable the external alarms, press and release
ACO/LMP.
DSX OPERATION
When a MIX 56 system is used as a DSX only, with DS1 signals connected
to the rear 64-pin connectors, or as a multiplexer with DS1 signals connect-
ed to the front wire-wrap pins, you can perform all DSX functions includ-
ing cross-connecting circuits with other network elements, rerouting traffic
with patch cords, and nonintrusive monitoring signals.
NOTE
If the system is used as a multiplexer, but the DS1 signals are connected to
the rear 64-pin connectors, you cannot reroute traffic with patch cords.
Patching Signals
ALERT
!
ALERT! When using a MIX 56 system as a multiplexer, you
must route DS1 signals to the front wire-wrap pins to be able to
patch signals.
If you need to perform network maintenance or emergency patch-arounds,
you can reroute incoming and outgoing lines by making temporary connec-
tions using either two single patch cords or a dual patch cord. Patching is
service-affecting, and the circuit is briefly interrupted while setting up and
taking down the patch.