50
XtendLan MUX-1602C
PROBLEM
POSSIBLE CAUSE
SUGGESTED ACTION
Alarm
Processing Problems
Continuous alarm
when alarm
input is
connected.
Alarm device polarity and
MUX-1602C alarm input
polarity do
not match.
Change alarm
device polarity or
MUX-1602C alarm input
polarity.
Remote Control Problems
No response to
RS-232 remote input.
Serial communications
protocol
not correct.
Configure remote
device for 1200
bps, 1 start
bit, 8 data bits, 1 stop
bit, no parity.
Data
and data ground
connections reversed.
Reverse data and data ground
connections.
No response to
remote control panel.
Local-end adapter from remote
panel plugged into
alarm
connector.
Plug local-end adapter into
remote
connector.
Remote panel data connections
loose.
Check remote
panel
data
connections.
Remote panel power cable
loose or not connected.
Check
remote panel power cable
connection.