3Com 2900 manual Ports, Console Port, 10/100/1000Base-T Ethernet Port, Specification

Only the RPS recommended by 3Com can be used for the 3Com Baseline Switch 2928-HPWR Plus. The –48 VDC power supply in the equipment room cannot be used directly. Otherwise, the device may be damaged.

Cooling System

The 3Com Baseline Switch 2928-HPWR Plus is equipped with six fans for heat dissipation.

Ports

Console Port

Each 3Com Baseline Switch 2900 Family provides one console port on the front panel. Table 1-2 describes the console port specifications.

Table 1-2Console port specifications

Item	Specification
Connector type	RJ-45
Compliant standard	EIA/TIA-232
Transmission baud	9600 bps to 115200 bps (defaulting to 38400 bps)
rate
Service	z It can be connected to an ASCII terminal.
	z It can be connected to a serial port of a local or remote (through a pair of
	modems) PC running terminal emulation program.

10/100/1000Base-T Ethernet Port

Each 3Com Baseline Switch 2900 Family provides 10/100/1000Base-T Ethernet ports on its front panel. Quantity of Ethernet ports varies with the device model, see Table 1-1 for details.

Table 1-3 describes the specifications of the 10/100/1000Base-T Ethernet ports.

Table 1-33Com Baseline Switch 2900 Family 10/100/1000Base-T Ethernet port specifications

Item		Specification
Connector type		RJ-45
		z 10 Mbps, full duplex
Interface speed and operating mode		z 100 Mbps, full duplex
		z 1000 Mbps, full duplex
		z MDI/MDI-X, auto-sensing
Max transmission distance		100 m (328.1 ft.)
Transmission medium		Category-5 unshielded twisted pair cable
Standard		IEEE 802.3i, IEEE 802.3u, IEEE 802.3ab
	1-8