3Com 7754 - Page 19

I/O Modules 19
48-port
10/100/1000BASE-T
Module
The 48-port 10/100/1000BASE-T module provides 48 10/100/1000 Mbps
auto-sensing Ethernet electrical ports.
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
1 Ethernet port
2 Ethernet port LED
Table 22 describes the 48-port 10/100/1000BASE-T module LEDs.
Table 23 describes the specifications of the 48-port 10/100/1000BASE-T module.
Tab le 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.
Tab le 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
transmission distance
Category 5 twisted pair with a maximum transmission
distance of 100 m (328 ft.)
3C16888
12
3C16888