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SERIES II INTELLIGENT DATA/FAX MODEMS
The following cables are for 2-wire and 4-wire leased line connections using
screw connectors.
Figure I-3. Two Wire Leased Line Connection
Figure I-4. Four Wire Leased Line Connection
(336+ [MD1640A] Only)
3
4
2
5
Red
Green
Yellow
Black
Transmit Pair
Receive Pair
1
2
3
4
5
6
Red (Tip)
Green (Ring)
RJ-11 plug
RJ-11 plug
To Terminal-Block Screws
(Transmit and Receive)
To Terminal-Block Screws
(Transmit and Receive)