Cabling; Rj-45 Cable - BayTech DS-RPC Quick Start Manual

CABLING
RJ­45 Cable
Control Module RJ-45 pin Signals
EIA 232 Signal
Pin Signal Direction
1 DTR
2 GND
3 RTS
4 TX
5 RX
6 DSR
7 GND
8 CTS
Adapter signals
Listed are the pin specifications for the BayTech cable and adapters and the terminal COM ports:
Serial 1: Port Pin out Table
Signal RS-232
Port (DS)
DTR
GND
RTS
TXD
RXD
DSR
GND
CTS
DTR
DCD
RI
Handshake, Line Driver Inactive State = High: +12V when power is
applied. Used as a handshake line to enable/disable the receiving of
Out characters.
Signal Ground
Handshake, Line Driver Inactive State = High: +12 V when power is
Out applied. Not used to enable/disable.
Out Transmit (Data Out)
In Receive (Data In)
In Handshake In. –12V when not used
Signal Ground
In Used as a handshake line to enable/disable the receiving of characters.
RS-232 Port
(RPC)
1 1
2 2
3 3
4 4
5 5
6 N/C
7 7
8
8
9
Description
COM Port COM Port
DE-9 Pin DB-25 Pin
4 20
1
7 5
3 2
2 3
6 6
5 7
8 4
4
1 8
22
Signal
DSR
GND
CTS
RXD
TXD
DTR
GND
RTS
DCD
DTR