3com 3C16894 4-slot Chassis User Manual

Page of 80
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.
Table 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.
Table 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
1 2
3C16888