Black Box 5000 manual System Diagnostics in the Command Facility

12.4System Diagnostics in the Command Facility

The system administrator may perform all of the following diagnostics from the Command Facility. Some of the tests may also be performed at the LCD/Keypad. Section 13.6, Diagnostics, explains each of the diagnostic functions that can be performed with the LCD/Keypad.

The Diagnostic Menu of the Command Facility is accessed as option 7 from the Command Facility Main Menu.

COMMAND FACILITY MAIN MENU [node id]

7 DIAGNOSTICS

DIAGNOSTICS [node id]

1.REMOTE COMPOSITE LOOPBACK

2.LINK CHANNEL LOOPBACK

3.ASYNC CHANNEL OUTPUT

4.SYNC CHANNEL LOOPBACK

5.VOICE/FAX TESTS

6.INTEGRAL DEVICE TESTS

7.LED TEST

8.MEMORY DUMP

CR - ACCEPT ENTRY

M- MAIN MENU

ENTRY:

REMOTE COMPOSITE LOOPBACK

The Remote Composite Loopback tests the interconnect link between the local Multiserver and a remote Multiserver. When initiated, this test interrupts all user data and feeder-mux ports are put out of service.

CHAPTER 12: Diagnostics

When this option is selected, the following prompt will appear:

ENTER LINK CHANNEL # (^X TO ABORT):

Enter the link channel (port). Press <cr>. The test will initiate. You should get an alarm message:

[time] [node id] SYNC LOSS LINK [channel #]

This indicates that the link being tested has been disrupted. The link will remain disrupted until the test is terminated (see Section 12.2, Terminate Test).

During the test, the link-indicator LED on the local Multiserver will be on. (It is usually off.)

NOTE: Tail-circuit channels may not perform composite loopback tests.

LINK CHANNEL LOOPBACK

When this option is selected, the following menu appears:

LINK CHANNEL LOOPBACK

1.LOCAL ECHO

2.REMOTE ECHO

3.LOCAL FOX

4.REMOTE FOX

Enter the number of the test you wish to perform. Press <cr>. The following prompt appears:

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