61200780L1-1C © 2004 ADTRAN, Inc. 111
ATLAS 800 Series System Manual Quad T1/PRI Option Module
Test
CLR Write security: 3; Read security: 3
Clears error counters on test pattern results menu.
Inj Write security: 3; Read security: 3
Injects errors into transmitted test pattern.
Figure 9. Loopback Test Diagram
LOS
Sync has been lost.
Sync
Pattern is synchronized.
ES
Number of seconds with at least one bit error.
Status Description
Quad T1/PRI
NI CSU
DS1
Payload Loopback
Line Loopback
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