GE D400 Substation Data Manager User Manual page 60

GE Energy
COM2 Port DB-9 Connector Signal Definitions
Pin
Number
1 DCD
2 RXD
3 TXD
4 DTR
5 Signal GND
6 DSR
7 RTS
8 CTS
9 Not connected
COM2 Port DB-9 to DB-25 Pin out
Signal
TD
RD
RTS
CTS
DSR
DCD
DTR
GND
60
994-0089–1.00–2, General
DCE
Function Signal Flow
IN
IN
OUT
OUT
-
IN
OUT
IN
-
DB-9 DB-25
Pin # Pin #
2 3
3 2
4 20
5 7
6 6
7 4
8 5
9 22
Get other manuals https://www.bkmanuals.com