Avaya IP Office Phone Manager, Руководство по установке, Страница: 361 / 411

IP Office Installation Page 360
15-601042 Issue 20b (16 July 2009) IP Office
10.12.12 PF Port
These ports are analog extension ports that can be used in conjunction with analog loop-start trunks during power failure
to the IP Office system. They are found on the rear of the IP400 Analog Trunk expansion module.
There are a number of options to connect analog extension ports to analog trunks during power failure. In all cases these
only work with loop-start analog trunks. Any phones connected to these ports should be clearly labeled as power fail
extensions in accordance with the appropriate national and local regulatory requirements.
•
IP400 Small Office Edition
On the Small Office Edition control unit, ANALOG port 2 is connected to PHONE (POT) port 1 during power failure.
•
IP400 ATM16 External Expansion Module
During power fail conditions, PF1 is internally connected to ANALOG port 1 on the module, PF2 is internally connected
to ANALOG port 2 on the same module.
•
IP500 Office
When an IP500 Analog Phone 8 base card is fitted with an IP500 Analog Trunk daughter card, during power failure
extension port 8 is connected to analog trunk port 12.
Any phones connected to these ports should be clearly labelled as power fail extensions in accordance with the
appropriate national and local regulatory requirements.
PF Pin Description
1 Not used.
2 Pin 2 is internally connected to pin 5 via a ringer capacitor.
3 Not used.
4 Ring.
5 Tip.
6 Pin 6 is internally connected to pin 5 via a ringer capacitor.
7 Not used.
8 Not used.
•
Minimum Wire Size: AWG 26.
•
Maximum Cable Length:
•
AWG26: 500m / 1640'.
•
AWG24, AWG22: 1000m / 3280'.