Verilink Access Manager 2000 (896-502037-001) Product Manua Manual de usuario descargar pdf (Pagina 236)

Configuring the T1 Network

5-112

Access Manager 2000 User Manual

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

press the function key. The Select CSU Test Activity menu

appears.

45. 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)

46. Type Y to send the test signal when the test warning screen

appears. The Select CSU Test Activity menu appears again.

47. Verify that the STAT LED is lit yellow on the near-end and far-end

CSUs (NCC or TAC), indicating the test is in progress.

If the STAT LED flashes red and yellow at the far-end, the test has

failed (CSU is detecting errors in the looped QRSS signal). Replace

the far-end NCC or TAC and repeat the acceptance procedure. (The

near-end NCC or TAC and the T1 circuit were checked in the

previous steps, using the LLB loopback of this procedure.)

48. Select the View Test Status Results option. If the screen

shows some Errors, the test has failed. Replace the far-end NCC or

TAC and repeat the acceptance procedure. (The near-end NCC or

TAC and the DS1 circuit were checked in the previous steps, using

the LLB loopback of this procedure.)

49. Press to return to the Select CSU Test Activity screen, then

select the Abort Test in Progress option and press

50. Press to return to the On-line: AS2000 screen.

51. Choose the Loopbacks option and press .

52. Enter the Shelf number and Plug slot number of the NCC or TAC,

and press the function key.

53. Choose the Deactivate Network Loopback (PLB and

LLB) option and press .

Enter

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Verilink Access Manager 2000 (896-502037-001) Product Manua Manual de usuario Pagina 236