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Powerware 9315 (200 kVA---300 kVA) Operation
164201036 Rev. D 041500
3
2
1
6
5
4
9
8
7
12
11
10
13
15
14
18
17
16
21
20
19
24
23
22
25
GND
RS232 TXD
RS232 RXD
RS232 RTS
RS232 CTS
RS232 DSR
RTN
+12V
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
RS232 DTR
NOT USED
--12V
NOT USED
NOT USED
NOT USED
PORT 2 (DB--25)
Figure 25. Port 2 Pin Assignments
Table 3. Pin Assignments for Port 2 (DB---25)
Pin # Symbol Description Comments
1 GND Chassis Ground
2 TXD Transmit Data Input to UPS
3
RXD Receive Data Output from UPS
4 RTS Request t o Send Input to UPS
5
CTS Clear to Send Output from UPS
6 DSR Data Set Ready Output from UPS
7
RTN Return
8
+12V +12 volts Output from UPS --- always true
20 DTR Data Terminal Ready Input to UPS --- typically not used by UPS
22 --- 12 V --- 1 2 vo lt s Output from UPS --- always true
NOTE: Pins 5 and 6 are tied together internally.