42 Powerware 9315 (200 kVA---300kVA) Opera tion
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 Assignm ents for Port 2 (DB--- 25)
Pin # Symbol Description Comments
1GND Chassis Ground
2TXD Tran smit Da ta Input to UPS
3RXD Receive Data Output from UPS
4RTS Request to Send Input to UPS
5CTS Clear to Send Output from UPS
6DSR Data Set Ready Output from UPS
7RTN Return
8+12V +12 volts Output from UPS --- always true
20 DTR Data TerminalReady Inputto UPS --- typically not used by UPS
22 --- 1 2 V --- 1 2 vo l t s Output from UPS ---always true
NOTE: Pins 5 and 6 are tied together internally.