DS71-MD4 Serial host and 56k Modem
11
Adapters Signals
Listed are the pin
specifications for the BayTech cable and adapters and the terminal COM ports:
Signal RS-232
Port (DS)
RS-232
Port (RPC)
COM Port
DE-9 Pin
COM Port
DB-25 Pin
Signal
DTR 1
1
4
20 DSR
GND 2
2
1 GND
RTS 3
3
7
5
CTS
TXD 4
4
3
2 RXD
RXD 5
5
2
3
TXD
DSR 6
N/C
6
6 DTR
GND 7
7
5
7
GND
CTS 8
8
4
RTS
DTR
4
DCD
DCD
8
1
8 DTR
RI 9
22
Adapters
9FRJ45PC (
With Cisco Interface
)
9FRJ45PC-1 (
Without Cisco Interface
)