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T elset Leased
Line Jack
TELSET
LEASED LINE
Leased Line
Cable
Leased Line
Jack
RJ11C
Notes:
1. Set the transmit output level to 0dBm.
2. DTR, which is the signal on pin 20 of the DTE interface, must be active
or the option DTE IGNORED must be set for 2-wire OR 4-wire leased line operation.
3. The connection shown includes dial backup. Connect only the leased-line jack
to the modem's T elset jack for regular Leased-line use.
4. For a 2-wire Leased-line connection, Pins 1 and 2 of the Leased-line connection
are used for Tx and Rx data. For a 4-wire Leased-line connection, Pins 1 and 2 are
used for Tx, and Pins 7 and 8 are used for Rx.
5. For connector pin-outs, refer to Appendix B.
Figure 2-4. Leased Line Connection (115 Vac Model)
Dial
(May be used for
Dial Backup)
DIAL
DTE
EIA-232
25-Pin Connector
to DTE
Use 8-pin Modular (at modem end) to 6-pin
Modular (at RJ11 wall jack end) connector.
(Optional connection for dial backup use.)
Modem 3600
Installation
2-9
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