3Com 980/000048/001 Manual

A SERVICE OF

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rivate Line Port Cable Pin Assignments

Each modem on the communications card is equipped with a single

Private line port supporting either a 2- or 4-wire connection, which is

accessed via the appropriate PRIVATE LINE socket on the card’s interface

module (refer to the rear panel diagram in Section 1.2 for an exact

reference of which socket services which modem on the

communications card). This is an RJ11 type socket, that would typically

be connected to a 2- or 4-wire private line outlet using a cable

conforming to the wiring diagram shown below

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