3Com 7754 Installation Manual page 24

24 C 1: S
HAPTER WITCH
20-Port 1000BASE-X-SFP
Module
7750 C
OMPONENTS
Table 30 lists specifications of the 20-port 10/100/1000BASE-T module.
Table 30 Specifications for the
Specification
CPU
BootROM
SDRAM
Dimensions (L x W)
Power consumption
Connector
Number of ports
Transmission rate
Cable and maximum
transmission distance
Compliance
The 20-port 1000BASE-X-SFP module provides 20 1000 BASE-X full duplex ports
and uses an SFP cable.
Figure 20 illustrates the 20-port 1000BASE-X-SFP module.
Figure 20 20-Port 1000BASE-X-SFP Module
Figure 21 illustrates the front panel of the 20-port 1000BASE-X-SFP module.
Figure 21 Front Panel of the
3C16862 3C16862
1
20-Port 10/100/1000BASE-T Module
Description
MPC8241LZU200
512 KB
64 MB
366.7 x 340 mm (14.5 x 13.4 in)
45 W
RJ-45
20
10 Mbps half/full duplex
100 Mbps half/full duplex
1000 Mbps full duplex
Category-5 twisted pair
100 m (300 ft)
IEEE 802.3ab
IEEE 802.3
IEEE 802.3u
IEEE 802.3x
IEEE 802.1D
IEEE 802.1Q
20-Port 1000BASE-X-SFP Module
2