3Com E3 manual Current Draw

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