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GE Energy
4.3
RS-232 Connections
The D400 accepts connections to RS-232 type devices through the RS-232 Adapter. The
RS-232 Adapter (GE Part No. 520-0207) is a standard RS-232 serial I/O adapter card that
plugs into any serial communication slot (slots 1 through 8) on the D400. It contains two
independently isolated RS-232 serial ports (Port 1 and Port 2) each with a DB-9
connector.
The required RS-232 cable is a serial null modem, DB-9F to DB-9M cable. The cables must
be shielded and DB-9 connector covers must provide EMC shielding (e.g. metalized plastic
or die-cast metal covers).
See section "3.3 RS-232 Adapter" for configuration options.
»
To connect RS-232 type devices to the RS-232 Adapter, use the following cable
connection:
RS-232 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
48
994-0089–1.00–2, General
6
1
2
7
3
8
5
9
5
DTE (default)
Function
Signal Flow
IN
IN
OUT
OUT
-
IN
OUT
IN
-
Get other manuals https://www.bkmanuals.com
1
6
2
7
3
8
5
5
9
DCE
Function
Signal Flow
DCD
IN
TXD
OUT
RXD
IN
DSR
IN
Signal GND
-
DTR
OUT
CTS
IN
RTS
OUT
Not connected
-
Relay
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