56
MINISTAT-FOUR
Figure 6-1. Identification of MiniStat-Four test loops.
The recommended procedure for locating a problem in the system is to first power
the MiniStat-Fours off and then on again. This obtains their self-test results (that is,
to see whether the ERR indicator lights or stays dark). Then perform test loops in
the order they are listed on the previous page.
All the test loops are initiated from the DIAGNOSTICS screen, which can be
accessed from the main menu.
The next section describes how to use the test loops; refer to
Section 6.2
for
detailed instructions on loop activation.
Host
MS-4
MS-4
Modem
Modem
Modem
Modem
Terminal
Terminal
Printers
Sub-channel
Remote Loop
Composite
Remote Loop
Sub-channel
Local Loop
Modem
Remote Digital
Loopback
Modem
Local Analog
Loopback
Composite
Local Loop
