3Com 7754 - Page 24

24 CHAPTER 1: SWITCH 7750 COMPONENTS
Table 30 lists specifications of the 20-port 10/100/1000BASE-T module.
20-Port 1000BASE-X-SFP
Module
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 20-Port 1000BASE-X-SFP Module
Tabl e 30 Specifications for the 20-Port 10/100/1000BASE-T Module
Specification Description
CPU MPC8241LZU200
BootROM 512 KB
SDRAM 64 MB
Dimensions (L x W) 366.7 x 340 mm (14.5 x 13.4 in)
Power consumption 45 W
Connector RJ-45
Number of ports 20
Transmission rate 10 Mbps half/full duplex
100 Mbps half/full duplex
1000 Mbps full duplex
Cable and maximum
transmission distance
Category-5 twisted pair
100 m (300 ft)
Compliance IEEE 802.3ab
IEEE 802.3
IEEE 802.3u
IEEE 802.3x
IEEE 802.1D
IEEE 802.1Q
3C168623C16862
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