Port 1 (db ) – Powerware 9315s User Manual
Page 124
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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
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