3Com 3C16897 8-slot DC Chassis, 3C16895 7-slot Chassis, 3C16894 4-slot Chassis manual Module

I/O Modules 19

48-portThe 48-port 10/100/1000BASE-T module provides 48 10/100/1000 Mbps 10/100/1000BASE-Tauto-sensing Ethernet electrical ports.

Module

Figure 12 illustrates the 48-port 10/100/1000BASE-T module.

Figure 12 48-port 10/100/1000BASE-T Module

Figure 13 illustrates the front panel and LEDs of the 48-port 10/100/1000BASE-T module.

Figure 13 Front Panel of the 48-port 10/100/1000BASE-T Module

3C16888

1 2

1 Ethernet port

2 Ethernet port LED

Table 22 describes the 48-port 10/100/1000BASE-T module LEDs.

Table 22 48-port 10/100/1000BASE-T Module LED

LED	Description
LINK/ACT	Green — The port is connected.
	Off — The port is not connected.
	Green flashing — Data is being transmitted or received.

Table 23 describes the specifications of the 48-port 10/100/1000BASE-T module.

Table 23 Specifications for the 48-port 10/100/1000BASE-T Module

Specification	Description
CPU	MPC8241
BootROM	512 KB
SDRAM	128 M
Dimensions (L X W)	366.7 x 340 mm (14.4 x 13.4 in.)
Maximum power consumption	70 W
Connector	RJ-45
Number of ports	48
Port transmission speed	10/100/1000 Mbps half-/full-duplex MDI/MDI-X
	auto-sensing
Cables and maximum	Category 5 twisted pair with a maximum transmission
transmission distance	distance of 100 m (328 ft.)