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Verilink Access Manager 2000 (896-502037-001) Product Manual User Manual

Page 233

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CSU acceptance testing

Access Manager 2000 User Manual

5

-109

5. Choose

the

Loopbacks

option and press

.

6. Type the shelf and plug (plug-in module slot) numbers of the NCC

or TAC, and press the

function key.

7. Choose

the

Activate Repeater Loopback (RLB)

option

and press

.

8. Type

N

to specify the near-end RLB and press

.

9. When the loopback warning screen appears, type

Y

to activate the

loopback.

10. Press

to return to the On-line: AS2000 screen.

11. Choose

the

Select Test

option and press

.

12. Type shelf and plug-in slot numbers of the NCC or TAC, and press

the

function key. The Select CSU Test Activity screen appears.

13. Choose

the

Send QRSS Test Pattern

option and press

. The Test Current Node screen appears. Enter the following

settings and press:

Test Duration: FOREVER

To Network or Equipment: N (Network)

Test From Far End: N (No)

14. Type

Y

to send the test signal when the test warning screen

appears. The Select CSU Test Activity screen appears again.

15. Verify that the EQP and STAT LEDs are both lit yellow on the near-

end NCC or TAC. The RLB is activated and the test is in progress.

Note:

If the STAT LED flashes red and yellow, the test has failed (CSU
is detecting errors in the looped QRSS signal). Replace the NCC
or TAC.

16. Select

the

View Test Status Results

option. If the screen

shows some errors, the CSU test has failed. Replace the NCC or
TAC.

Enter

F5

Enter

Enter

Enter

Enter

F5

Enter