Multi-Tech Systems BL-Series - Manual (Page 154)

154
MultiModemBL User Guide
Appendix I - MultiModemBL Cables
These cables connect your modem to your terminal or computer’s serial port.
25-PIN DTE
Connector
25-PIN DCE
Device
2 TD
3 RD
4 RTS
5 CTS
6 DSR
7 GND
8 CD
20 DTR
22 RI
TD 2
RD 3
RTS 4
CTS 5
DSR 6
GND 7
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-2. Two Wire Leased Line Connection
RJ-11 Type
Modular Plug
To Terminal
Block Screws
(Transmit and Receive)
3
4
2
5
RED
GREEN
YELLOW
BLACK
TRANSMIT PAIR
RECEIVE PAIR
Figure I-3. Four Wire Leased Line Connection