54
MINISTAT-FOUR
Table 5-2 (continued). MiniStat-Four indications.
Indication
Probable Cause
Action
SYNC
Remote Mini Stat-Four
Check whether the remote
flashes
not operational
MiniStat-Four is powered
continuously
on and operates normally.
Problems in
Check whether
communication link to
communication equipment is
remote MiniStat-Four
powered and properly
connected, then use the
diagnostics function
described in
Chapter 6
to
identify fault location.
ERR
MiniStat-Four
One of the DTE units
flashes
buffers full
connected to the MiniStat-
Four does not respond to
flow-control commands;
check that all the DTEs do
have a flow-control option,
and that MiniStat-Four flow
control is properly configured.
One or more sub-
No traffic on
If traffic is expected on the
channel indicators
sub-channel
sub-channel but no activity is
do not light
indicated, check DTE equip-
ment and its connections.
MiniStat-Four
Turn the MiniStat-Four off,
problem
then on again. If ERR
indicator lights, replace the
MiniStat-Four.