6x Installation Guide
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Revised: December 27, 2007
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7 Set up the Telephony
7.1 Analog
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 describes the ports.
RJ-11 Ports Type Description
1-6 FXO (loop-start) Used to connect to Central Office (CO) lines
7-8 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.
Under normal operation of the unit the port LEDs will appear as shown in Table 6.
Port (1-8) State LED Indicator
Normal Idle Off
Off Hook Green Solid
Ringing Green Fast Blink
No loop current detected on last off
hook attempt (FXO only)
Alternating Red/Amber
Table 6: Analog Port LED Definitions
7.2 SIP
SIP phones connect to the server just as any other data network device. The phones and the server need to be
properly configured. See the
Server Configuration and Data Network sections for more information.
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