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MultiModemBA User Guide
Appendix I - MultiModemBA Cables
These cables connect your modem to your terminal or computer’s serial port.
25-PIN DTE
Connector
25-PIN DCE
Device
2TD
3RD
4RTS
5 CTS
6 DSR
7GND
8CD
20 DTR
22 RI
TD 2
RD 3
RTS 4
CTS 5
DSR 6
GND7
CD 8
DTR20
RI 22
Figure I-1. RS232 Cable (IBM PC)
RJ-11 Type
Modular Plug
To Terminal
Block Screws
(Transmit and Receive)
1
2
3
4
5
6
RED (Tip)
GREEN (Ring)
Figure I-3. Two Wire Leased Line Connection