Alpha Technologies CFR 5000, CFR 5000RM - Manual (Page 29)

23 2 Installation
Alpha Technologies
2.7 Connecting the LAN Port
The unit can be remotely monitored and shutdown with the unit’s DB–9 LAN port (Figure 2.9).
Two dry contacts provide line failure and low battery information. A connection to the unit’s mi-
croprocessor shuts down the unit’s output. The shutdown delay, duration and recovery is con-
trolled via RS–232 commands (Section 4.5).
Figure 2.9
Wiring the LAN Port
8 7 6 5 4 3 2 1
Output
Shutdown
N.O. Line
Failure
N.O. Low
Battery
UPS Internal
UPS External
9
GND
+12 VDC
5 mA (Max)
Common
1 2 3 4 5
6 7 8 9
Low
Battery
Not
Connected
Not
Connected
+12 VDC
5 mA (Max)
Output
Shutdown
Line
Fail
Common
Not
Connected