Type status system all-cabinets and press Enter

Test Tone-Clock Interchange for each Expansion Port

Network (EPN)

Test Tone-Clock Interchange for each

Expansion Port Network (EPN)

If the system is set up with Critical Reliability, test the Tone-Clock interchange for each Expansion Port Network (EPN).

1.Verify the screen displays: command:

2.Type status system all-cabinets and press ENTER. This displays the location of the Standby Tone-Clock.

3.Type set tone-clock xx where xx is the Port-Network/Carrier for the Standby Tone-Clock. Press enter.

4.Type status system all-cabinets and press ENTER.

5.Verify the duplicated Tone-Clock is active using the information displayed on the screen.

If any problems are indicated, check the Time Division Multiplexing (TDM) cables in the associated Expansion Port Network (EPN).

Test Expansion Interface Exchange for

Each Expansion Port Network (EPN)

If the system is set up with Critical Reliability, test the expansion interface exchange for each Expansion Port Network (EPN).

1.Verify the screen displays: command:

2.Type status system all-cabinets and press ENTER. This displays the standby expansion link.

Issue 1 September 1995 8-17