Figure 7-4. Port 2 (Db−25) Pin Assignments - Eaton Powerware 9315 Operation Manual

Serial Communication
NOTE The X−Slot communication bay is connected internally to the DB−25 port by
default; the DB−25 is disabled for other uses. If you need the DB−25 for an external
modem kit, contact your service representative for a wiring change.
Table 7-2. Pin Assignments for Port 2 (DB-25)
Pin Number
NOTE Pins 5 and 6 are tied together internally.
7−4
EATON Powerware
RS-232 TXD
RS-232 RXD
RS-232 RTS
RS-232 CTS
RS-232 DSR
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
Figure 7-4. Port 2 (DB−25) Pin Assignments
Symbol
1 GND Chassis Ground
2 TXD Transmit Data
3 RXD Receive Data
4 RTS Request to Send
5 CTS Clear to Send
6 DSR Data Set Ready
7 RTN Return
8 +12V +12 Volts
20 DTR Data Terminal Ready
22 –12V –12 Volts
9315 UPS (300–500 kVA) Operation Manual S 164201119 Rev F www.powerware.com
®
GND
1
NOT USED
14
2
NOT USED
15
3
NOT USED
16
4
NOT USED
17
5
NOT USED
18
6
NOT USED
19
RTN
7
RS-232 DTR
20
+12V
8
NOT USED
21
9
–12V
22
10
NOT USED
23
11
NOT USED
24
12
NOT USED
25
13
Function Comments
Input to UPS
Output from UPS
Input to UPS
Output from UPS
Output from UPS
Output from UPS - always true
Input to UPS - typically not used by UPS
Output from UPS - always true