Allworx 24X Installation Guide download pdf (Page 16)

24x Installation Guide

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Revised: February 7, 2007

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8 Analog Telephony

Caution: To reduce the risk of fire, use only 26 AWG (or larger) UL listed or CSA certified

telecommunications line cord.

The server’s analog phone connections can be used to connect Central Office (CO) lines or telephone

handsets.

Table 5 below describes the ports:

RJ-11 Ports Type Description

1-3 FXO (loop-start) Used to connect to Central Office (CO) lines

4-8 FXS Telephone handsets

Table 5: Analog Telephony Ports

It is recommended that the ports be connected as follows:

• CO Lines: Begin with port 1 and move up.

• Telephone Handsets: Begin with port 8 and move down.

The Power Fail Phone port may be used to connect an analog phone device that is operational in the event

that the server loses power or fails. During power failure, it automatically connects to the first outside phone

line port (port 1).

Surge protection is provided internally on all telephony interfaces.

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