Avaya IP Office Phone Manager, Руководство по установке, Страница: 173 / 411

IP Office Installation Page 172
15-601042 Issue 20b (16 July 2009) IP Office
9.4.2 Analog Phone Barrier Box
Where analog phone extensions are required in another building, additional protective equipment must be used, in the
form of IP Office Phone Barrier Boxes and protective earth connections.
•
The correct IP Office specific barrier boxes must be used. These modules have been designed specifically for the
signalling voltages used by the IP Office system:
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Only the IP Office Phone Barrier Box should be used with Phone V1 modules.
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Only the IP Office Phone Barrier Box V2 should be used with Phone V2 modules.
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No other type of analog phone barrier box should be used.
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Where more than 3 barrier boxes are required in a building, they must be rack mounted using a Barrier Box rack
mounting kit .
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A maximum of 16 barrier boxes can be used with any Phone module.
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CAUTION: PHONE (POT) ports on the front of control units must not be used for extensions that are external to the
main building.
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The Phone Barrier Box does not connect the ringing capacitor in Phone V1 modules.
Main Building Barrier Box Secondary Building
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RJ11: Connect to PHONE (POT) port on the
Phone module using cable supplied with the
barrier box.
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RJ45: Connect to the secondary building
barrier box via primary protection in both
buildings.
•
RJ11: Connect to analog phone.
Cable not supplied.
•
RJ45: From main building via
primary protection in both buildings.
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Center Screw: Connect to main building
protective ground (or ground terminal of
Barrier Box Rack Mounting Kit). Use 18AWG
(minimum) wire with a green and yellow
sleeve.
•
Right-Hand Screw: Connect to ground point
on Phone module using ground cable supplied
with barrier box.
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Center Screw: Connect to main
building protective ground. Use
18AWG (minimum) wire with a green
and yellow sleeve.
•
Right-Hand Screw: Not used.