3Com 3C16897 8-slot DC Chassis manual illustrates the 20-Port 10/100/1000BASE-T Module

I/O Modules 23

Table 28 Specifications for the 24-Port 100BASE-FX MMF FE Module (continued)

Specification	Description
Cables and maximum	62.5/125 µm multi-mode optical fiber up to 2 km (1.3 mi)
transmission distance
Compliance	IEEE 802.3
	IEEE 802.3i
	IEEE 802.3u
	IEEE 802.3x

20-PortThe 20-Port 10/100/1000BASE-T module provides 20 10/100/1000BASE-T 10/100/1000BASE-Tauto-sensing Ethernet ports.

Module

Figure 18 illustrates the 20-Port 10/100/1000BASE-T Module.

Figure 18 20-Port 10/100/1000BASE-T Module

Figure 19 illustrates the front panel of the 20-port 10/100/1000BASE-T module.

Figure 19 Front Panel of the 20-Port 10/100/1000BASE-T Module

3C16863

1 2

1 Ethernet port

2 Ethernet port LED

Table 29 describes the 20-port 10/100/1000BASE-T module LEDs.

Table 29 20-Port 10/100/1000BASE-T Module LEDs

LED	Description
LINK/ACT	Off — The port is not operating.
	On — The port is operating.
	Green flashing — The port is transmitting or receiving data