3Com 3C16850, Installation Manual

Page: 19 / 70

I/O Modules 19
Table 20 describes the LEDs on the 8-port 10/100/1000BASE-T GE module.
Specifications of the 8-port 10/100/1000BASE-T GE module are described in
Table 21.
24-port 100BASE-FX
MMF FE Module
The 24-port 100BASE-FX MMF FE module provides 24 100 Mbps multi-mode
Ethernet optical port service channels.
Figure 11 illustrates the 24-port 100BASE-FX MMF FE module.
Figure 11 24-Port 100BASE-FX MMF FE Module
Table 20 8-Port 10/100/1000BASE-T GE Module LEDs
LED Description
LINK Off — The link is not connected
Green — The link is connected
ACT Off — No data is being transmitted
Green flashing — Data is being transmitted or received
Table 21 Specifications for the
8-Port 10/100/1000BASE-T GE
Module
Specification Description
CPU MPC850
BootROM 512 Kb
SDRAM 64 MB
Dimensions (L x W) 366.7 x 340 mm (14.5 x 13.4 in)
Maximum power consumption 50 W
Connector type RJ-45
Number of ports 8
Port transmission speed 10 Mbps, half/full duplex
100 Mbps, half/full duplex
1000 Mbps, full duplex
Cables and maximum
transmission distance 4 100-ohm Category-5 non-shielded twisted pairs up to 100
m (300 ft).
Compliance IEEE 802.3ab
IEEE802.3
IEEE802.3u
IEEE802.3x