3Com 7754 Installation Manual page 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.
48-port 10/100/1000BASE-T Module
Figure 12
Figure 13 illustrates the front panel and LEDs of the 48-port 10/100/1000BASE-T
module.
Figure 13 Front Panel of the
3C16888
1 2
1 Ethernet port
2 Ethernet port LED
Table 22 describes the 48-port 10/100/1000BASE-T module LEDs.
Table 22 48-port 10/100/1000BASE-T Module LED
LED
LINK/ACT
Table 23 describes the specifications of the 48-port 10/100/1000BASE-T module.
Table 23 Specifications for the 48-port 10/100/1000BASE-T Module
Specification
CPU
BootROM
SDRAM
Dimensions (L X W)
Maximum power consumption
Connector
Number of ports
Port transmission speed
Cables and maximum
transmission distance
48-port 10/100/1000BASE-T
Description
Green — The port is connected.
Off — The port is not connected.
Green flashing — Data is being transmitted or received.
Description
MPC8241
512 KB
128 M
366.7 x 340 mm (14.4 x 13.4 in.)
70 W
RJ-45
48
10/100/1000 Mbps half-/full-duplex MDI/MDI-X
auto-sensing
Category 5 twisted pair with a maximum transmission
distance of 100 m (328 ft.)
I/O Modules 19
Module