Black Box 5000 Following menu will appear, After the test is initiated, the Command Facility

Multiserver 5000

The following menu will appear:

SYNC CHANNEL LOOPBACK [TERMINATE LOOPBACK]

1.INITIATE LOOPBACK

2.TERMINATE LOOPBACK

CR - ACCEPT ENTRY

M - MAIN MENU

ENTRY:

After the test is initiated, the Command Facility	INTEGRAL DEVICE TESTS
	See the 56K CSU/DSU User’s Manual for
terminal will be returned to the Command Facility
main menu. On the attached synchronous device,	information on these tests.
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	LED TEST
data.
	This test causes all of the LED indicator lights to
The sync port must be forced-connected to another
	light simultaneously for a couple of seconds and
sync port for the test to operate. Also, the attached	then they will extinguish. It is simply a test of the
device must be able to accept its own data.	indicator lights to be sure they are working. The
This test must be terminated. As long as the test is	test terminate automatically after 20 seconds.
in an INITIATE LOOPBACK state, the sync
channel will not be operational. The Command	MEMORY DUMP
Facility terminal terminates the test by reentering
the Sync Channel Loopback menu and choosing	This is reserved for dealer use only.
option 2, Terminate Loopback.
VOICE/FAX TESTS
See the Voice/Fax User’s Manual for information
on these tests.

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