3Com NBX, Руководство по установке

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NBX Uplink Card 211
NBX Uplink Card
The uplink card is an optional component that provides
10BASE
connections.
WARNING: 3Com Telephones are intended for connection only on
internal Local Area Networks. Do not install them outside of buildings. Do
not connect them to any networking device outside of the building in
which the telephones are located.
Legacy Link Analog
Card
The 3Com Legacy Link Analog Card enables an NBX system to support
analog handsets.
Table 54 3C10370 NBX Uplink Card Specifications
Weight 397 gm (14 oz)
Connectors Eight RJ-45 connectors for 10BASE-T lines
Environmental Ambient temperature: 0 °C to 40
°
C (32 °F to 104
°
F)
Humidity: 5% to 85% noncondensing
Table 55 3C10392 Legacy Link Analog Card Specifications
Weight 500 gm (1.10 lb)
Connectors RJ-21x 50-way male for handset connection.
D-type 9-pin female RS232 diagnostics port.
Mini-DIN 6-pin female power input.
Environmental Ambient temperature: 0 °C to 40
°
C (32 °F to 104
°
F)
Humidity: 5% to 85% noncondensing
Telephone 2 REN per port
Connection Two Wire Loop Start
Feature access uses Hook Flash (HF) or Timed Break Recall
(TBR)
Electrical Voltage input: 3·3, 5 and 12V D.C. derived from the NBX
power rails.
48V D.C. As with most telecommunications power supplies,
the PSU voltage is negative (i.e. 48V).
PSU: 100 - 240V A.C. 47 - 63Hz, 1·6A.
Power input: < 10W internally from NBX rail.
PSU: 70W maximum