DS72 Host Module
Cabling
RJ-45 Cables and Adapters
DS72 EIA-232 RJ-45 Pin/Signal Definition
Pin | EIA 232 | Signal |
| Signal | Direction |
1 | DTR | Out |
|
|
|
2 | GND |
|
3 | RTS | Out |
|
|
|
4 | TX | Out |
5 | RX | In |
6 | DSR | In |
7GND
8CTS In
Description
Handshake, Line Driver Inactive State = High: +12V when power is applied. Used as a handshake line to enable/disable the receiving of characters.
Signal Ground
Handshake, Line Driver Inactive State = High: +12 V when power is applied. Not used to enable/disable.
Transmit Data Out
Receive Data In
Handshake In.
Signal Ground
Used as a handshake line to enable/disable the receiving of characters.
Adapters Signals
Listed are the pin specifications for the BayTech cable and adapters and the terminal COM ports:
Signal Port (DS) Port (RPC)
DTR 
GND 
RTS
TxD
RxD
DSR 
GND 
CTS
DTR 
DCD 
RI
1
2
3
4
5
6
7
8
9
1
2
3
4
5
N/C
7
8
4
7
3
2
6
5
8
4
1
20 |
| DSR |
1 |
|
|
| GND | |
5 |
|
|
| CTS |
2
RxD
3
TxD
6
DTR
7
GND
4
RTS
DCD
8 
DTR
22
11
