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Table 584: End Loopback/Span Test (#1216) 2 of 2
Error
Code
Test
Result
ICSU Status LEDs Test (#1227)
ICSU Status LEDs Test (#1227)
2100 ABORT Could not allocate the necessary system resources to run this test.
1. Retry the command at 1-minute intervals up to 5 times.
1313 FAIL The DS1 circuit pack could not deactivate the loopback through the
Customer loopback jack.
1. Retry test ds1-loop location end-loopback/span-test
at 1-minute intervals up to 5 times.
1314 FAIL The DS1 circuit pack could not deactivate the loopback through the
far-end CSU.
1. Make sure that the far-end DS1 is installed if the far-end CSU is a
120A CSU module/T1 sync splitter.
2. Retry test ds1-loop location end-loopback/span-test
at 1-minute intervals up to 5 times.
PASS The active long-duration loopback or span test on the DS1 circuit pack
was successfully deactivated.
1. Enter release board location to release the trunks or ports.
0 NO
BOARD
Description / Recommendation
See NO BOARD for repair procedures.
2 of 2
This test runs only on TN767E or later DS1 circuit packs and TN464F or later UDS1 circuit
packs administered for 24-channel operation (1.544 Mbps).
The DS1 circuit pack has four status LEDs on the faceplate in addition to the three standard
faceplate LEDs. These four status LEDs are associated with the 120A Channel Service Unit
(CSU) Module that can be connected to the DS1 board via the I/O connector panel on the back
of the port carrier.
This test is a visual test. It lights the four status LEDs red for 5 seconds, green for 5 seconds,
and yellow for 5 seconds. It then turns the LEDs off and returns control of the status LEDs to the
circuit pack. The interpretation of the LEDs are described in DS1/UDS1 (TN767/TN464) Circuit
Pack LEDs
Communication Manager Release 5.0 Issue 4 January 2008 1945