3Com 3C16895 - Manual (Page 23)

I/O Modules 23
20-Port
10/100/1000BASE-T
Module
The 20-Port 10/100/1000BASE-T module provides 20 10/100/1000BASE-T
auto-sensing Ethernet ports.
Figure 16 illustrates the 20-Port 10/100/1000BASE-T Module.
Figure 16 20-Port 10/100/1000BASE-T Module
Figure 17 illustrates the front panel of the 20-port 10/100/1000BASE-T module.
Figure 17 Front Panel of the 20-Port 10/100/1000BASE-T Module
1 Ethernet port
2 Ethernet port LED
Table 27 describes the 20-port 10/100/1000BASE-T module LEDs.
Connector type MT-RJ
Number of ports 24
Port transmission speed 100 Mbps, full-duplex
Cables and maximum
transmission distance 62.5/125 µm multi-mode optical fiber up to 2 km (1.3 mi)
Compliance IEEE 802.3
IEEE 802.3i
IEEE 802.3u
IEEE 802.3x
Table 26 Specifications for the 24-Port 100BASE-FX MMF FE Module (continued)
Specification Description
Table 27 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 data
3C16863 3C16863
1 2