3com E3 Manual De Usuario
Current Draw
A-3
Ethernet
10Base-T/100Base-TX
Ports
Current Draw
+5.2 vDC @ 500 mA typical maximum
Typical maximum refers to the maximum current draw under most typical
configurations.
configurations.
Environment
Shipping and Storage
Operating
Physical
Dimensions
Dimensions
Data Transfer Rate:
10/100 Mbps Auto-Negotiated
Connector:
8-position modular jack, Stewart 88-360808 or equivalent
Accessing Scheme:
Carrier Sense Multiple Access with Collision Detection
(CSMA/CD)
(CSMA/CD)
Topology:
Star-wired hub using multiport repeater
Maximum Nodes:
Limited only by repeater
Transmission
Medium:
Medium:
Unshielded Twisted Pair (UTP) Category 3 or Category 5 for
10Base-T applications, Category 5 for 100Base-TX
10Base-T applications, Category 5 for 100Base-TX
Network Lobe
Distance:
Distance:
100 m (328 ft) suggested maximum. Longer cabling can be
used at the expense of reduced receiver squelch levels.
used at the expense of reduced receiver squelch levels.
Temperature:
-25 to 75
°
C, -13 to 167
°
F
Relative Humidity:
0 to 100%, Non-condensing
Temperature:
0 to 40
°
C, 32 to 104
°
F
Relative Humidity:
0 to 95%, Non-condensing
Inches
Centimeters
Length:
5.30
13.46
Width:
0.79
2.00
Height:
6.90
17.53