Communication
7-5
EATON
Powerware
®
9315 UPS (200–300 kVA) Operation Manual
S
164201036 Rev F
powerware.com
Table 7-2.
Pin Assignments for Port 2 (DB-25)
Pin Number Symbol
Function
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 - always true
20
DTR
Data Terminal Ready
Input to UPS - typically not used by UPS
22
–12V
–12 Volts
Output from UPS - always true
NOTE
Pins 5 and 6 are tied together internally.
Summary of Contents for 9315
Page 1: ...Powerware 9315 UPS 200 300 kVA Operation Manual...
Page 83: ......
Page 84: ...164201036F 164201036 F...