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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)