
PORT 2 (DB-25) 
GND  | 1  | 
RS232 TXD  | 14  | |
2  | ||
  | ||
RS232 RXD  | 15  | |
3  | ||
  | ||
RS232 RTS  | 16  | |
4  | ||
  | ||
RS232 CTS  | 17  | |
5  | ||
  | ||
RS232 DSR  | 18  | |
6  | ||
  | ||
RTN  | 19  | |
7  | ||
  | ||
+12V  | 20  | |
8  | ||
  | ||
NOT USED  | 21  | |
9  | ||
  | ||
NOT USED  | 22  | |
10  | ||
  | ||
NOT USED  | 23  | |
11  | ||
  | ||
NOT USED  | 24  | |
12  | ||
  | ||
NOT USED  | 25  | |
13  | ||
  | 
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
RS232 DTR
NOT USED
NOT USED
NOT USED
NOT USED
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 to 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   | 
  | 
  | 
  | 
  | 
20  | DTR | Data Terminal Ready  | Input to UPS   | 
  | 
  | 
  | 
  | 
22  | Output from UPS   | ||
  | 
  | 
  | 
  | 
  | 
  | NOTE: Pins 5 and 6 are tied together internally.  | |
42  | Powerware 9315 (200 kVA   | 
  | 164201036 Rev. D 041500  |