Black-box 5000 User Manual download pdf (Page 164)

Multiserver 5000

162

The following menu will appear:

After the test is initiated, the Command Facility

terminal will be returned to the Command Facility

main menu. On the attached synchronous device,

all characters entered will be echoed back to itself.

Integrity of the port and the terminal may be

judged by observing the quality of the returned

data.

The sync port must be forced-connected to another

sync port for the test to operate. Also, the attached

device must be able to accept its own data.

This test must be terminated. As long as the test is

in an INITIATE LOOPBACK state, the sync

channel will not be operational. The Command

Facility terminal terminates the test by reentering

the Sync Channel Loopback menu and choosing

option 2, Terminate Loopback.

OICE/FAX TESTS

See the Voice/Fax User’s Manual for information

on these tests.

NTEGRAL DEVICE TESTS

See the 56K CSU/DSU User’s Manual for

information on these tests.

LED T

EST

This test causes all of the LED indicator lights to

light simultaneously for a couple of seconds and

then they will extinguish. It is simply a test of the

indicator lights to be sure they are working. The

test terminate automatically after 20 seconds.

EMORY DUMP

This is reserved for dealer use only.

SYNC CHANNEL LOOPBACK [TERMINATE LOOPBACK]

1. INITIATE LOOPBACK

2. TERMINATE LOOPBACK

CR - ACCEPT ENTRY

M - MAIN MENU

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Black-box 5000 User Manual Page 164