Installation Guide

Performance

Auto-negotiation

Communication speed (10 Mbps

 

or 100 Mbps) and duplex mode

 

(full or half) is determined through

 

auto-negotiation with the

 

attached devices. The NJ90

 

attempts to negotiate the fastest

 

connection possible (100 Mbps

 

full-duplex).

Environment

 

Operating temperature

32º to 95º F (0º to 35º C)

Storage temperature

-22ºto 194º F (-3º- to 90º C)

Operating humidity

10-90% non-condensing

Storage humidity

10-90% non-condensing

Operating Altitude

8,000 ft

Storage Altitude

20,000 ft

Standards Conformance

 

IEEE 802.3 10BASE-T, 100BASE-TX and auto-negotiation Power Over Ethernet: IEEE 802.3af

Packet Prioritization: 802.1p (QoS)

Features

Power Over Ethernet

Compatible with IEEE 802.3af

Local power supply

Required for networks that do not

 

support Power Over Ethernet

Voice Over IP (VoIP)

Compatible with VoIP standard.

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3Com 3CNJ90 manual Performance, Environment, Standards Conformance, Features