3Com 7754 - Page 17

I/O Modules 17
Table 22 describes the 48-port 10/100/1000BASE-T PoE module LEDs.
Table 23 describes the specifications of the 48-port 10/100/1000BASE-T PoE
module.
48-port 10/100BASE-TX
FE Module
The 48-port 10/100BASE-TX FE module provides 48 10/100 Mbps auto-sensing
Ethernet electrical ports.
Figure 10 illustrates the 48-port 10/100BASE-T FE module.
Figure 10 48-port 10/100BASE-T FE Module
Tab le 18 48-port 10/100/1000BASE-T PoE 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.
Tab le 19 Specifications for the 48-port 10/100/1000BASE-T PoE 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/MDIX auto-sensing
Cables and maximum
transmission distance
Category 5 twisted pair with a maximum distance of 100 m
(328 ft.)
Compliance IEEE802.3ab
IEEE802.3
IEEE802.3i
IEEE802.3x
IEEE802.1p
IEEE802.1D
IEEE802.1Q
IEEE802.1X
IEEE802.1s
IEEE802.1w