Figure 12-2. Port 2 (Db-25) - Eaton Powerware 9315 UPS Powerware 9315 Installation And Operation Manual

COMMUNICATION
12-2
EATON Powerware
Table 12‐2. Pin Assignments for Port 2 (DB‐25)
Pin Number Symbol
1
2
3
4
5
6
7
8
20
22
NOTE Pins 5 and 6 are tied together internally.
® 9315 UPS (500–750 kVA) Installation and Operation Manual
GND
1
RS‐232 TXD
2
RS‐232 RXD
3
RS‐232 RTS
4
RS‐232 CTS
5
RS‐232 DSR
6
RTN
7
+12V
8
NOT USED
9
NOT USED
10
NOT USED
11
NOT USED
12
NOT USED
13
Figure 12‐2. Port 2 (DB‐25)
Function
GND Chassis Ground
TXD Transmit Data
RXD Receive Data
RTS Request to Send
CTS Clear to Send
DSR Data Set Ready
RTN Return
+12V +12 Volts
DTR Data Terminal Ready
–12V –12 Volts
S
164201244 Rev E www.powerware.com
NOT USED
14
NOT USED
15
NOT USED
16
NOT USED
17
NOT USED
18
NOT USED
19
RS‐232 DTR
20
NOT USED
21
–12V
22
NOT USED
23
NOT USED
24
NOT USED
25
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