3Com ACCESSBUILDER 7000 User Manual - page 48

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P

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

: