Rj-11 straight – JBM electronic C20 through C21 User Manual
Page 7

Cables for Gateway 20 through 21 PAGE 6
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RJ-11 Straight
This table lists the required pins used in the Modem cable used to connect the Gateways
to an asynchronous modem. Pins should be connected from one RJ-11 connector to the
other without transpositions or other wiring changes.
Units Supported
• C21
JBM Electronics Part Number: N/A
RJ-11 MODEM CABLE
PIN
DESCRIPTION
1
Unused
2
Tip
4
Ring
5
Unused
Used for connecting a modem to the C21