25
SIGNAL PORT RS232 PORT
2-
AC INPUT FAIL/FLASH TIMER
1-
LOW BATTERY
3-
UPS ON
2-
TX
4-
COMMON SIGNAL RETURN
3-
RX
5-
LOW BATTERY
4-
RS232 SHUTDOWN
6-
+9VDC
5-
GROUND
8-
+9VDC
6-
+9V
8-
AC
FAIL
Figure 3: SIGNAL/RS232 PIN ASSIGNMENTS
RS232: DB-9
CONNECTOR
SIGNAL: DB-9
CONNECTOR