3com 3C16894 4-slot Chassis User Manual

Page of 80
20
C
HAPTER
 1: S
WITCH
 7750 C
OMPONENTS
48-port 100BASE-X SFP 
Module
The 48-port 100BASE-X SFP module provides 48 100 Mbps full-duplex Ethernet 
optical ports.
Figure 14 illustrates the 48-port 100BASE-X SFP module.
Figure 14   
48-port 48-port 100BASE-X SFP Module
Figure 15 illustrates the front panel and LEDs of the 48-port 100BASE-X SFP 
module.
Figure 15   Front Panel of the 
48-port 48-port 100BASE-X SFP 
Module
1 Ethernet port
2 Ethernet port LED
Table 24 describes the 48-port 100BASE-X SFP module LEDs.
Table 25 describes the specifications of the 48-port 100BASE-X SFP module.
Compliance
1EEE 802.3ab
 
1EEE 802.3
 
1EEE 802.3u
 
1EEE 802.3x
 
1EEE 802.1p
 
1EEE 802.1D
 
1EEE 802.1Q
 
1EEE 802.1X
 
1EEE 802.1s
 
1EEE 802.1w
Table 23   Specifications for the 48-port 10/100/1000BASE-T Module (continued)
Specification
Description
Table 24   
48-port 100BASE-X SFP 
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 25   Specifications for the 
48-port 100BASE-X SFP
 Module 
Specification
Description
CPU
MPC8241
BootROM
512 KB
SDRAM
128 M
3C16888
1 2
3C16888