Powerware 9315s - Manual (Page 124)

13--2 Powerware 9315 Parallel Capacity/Redundant System with PHP SSBM
164201373 Rev. A 092402
3
2
1
5
4
7
6
9
8
+24V
RS232 TXD
RS232 RXD
NOT USED
RETURN
NOT USED
485 +
485 --
RETURN
PORT 1 (DB--9)
Figure 13---1. Port 1 Pin Assignments
Table 13---1. Pin Assignments for Port 1 (DB---9)
Pin # Symbol Description Comments
1 +24V + 24 volts DC
2 TXD Transmit Data Input to UPS
3 RXD Receive Data Output from UPS
5 RTN Return
7 485+ RS485 + Data
8 485--- RS485 --- Data
9 RTN Return