3Com 8800 SERIES, Installation Manual

Page: 12 / 62

12 C
HAPTER
1: S
WITCH
8800 C
OMPONENTS
24-Port 1000BASE-X
(SFP) Module
The 24-port 1000BASE-X (SFP) module provides 24 1000BASE-X full duplex ports
and uses SFP cable.
Figure 5 illustrates the front panel of the 24-port 1000BASE-X (SFP) module.
Figure 5 Front Panel of the
24-Port 1000BASE-X (SFP) Module
1 SFP ports
2 SFP port LEDs
Table 18 describes the 24-port 1000BASE-X (SFP) module LEDs.
Table 19 lists specifications of the 24-port 1000BASE-X (SFP) module.
Number of ports 12
Port transmission
speed 1000 Mbps
Transceiver, cable,
and maximum
transmission distance 3CSFP91, 850 nm, 50/125 µm multi-mode optical fiber, 550 m (1804
ft)
3CSFP92, 1310 nm, 9/125 µm single mode optical fiber, 10 km (6 mi)
3CSFP93, RJ-45, category 5 100 m (300 ft)
3CSFP97, 1550 nm, 9/125 µm single mode optical fiber, 70 km (43 mi)
Table 17 Specifications for the
12-Port 1000BASE-X (SFP)
Module (continued)
Specification Description
Table 18 24-Port 1000BASE-X
(SFP)
Module LEDs
LED Description
LINK Off — The port is not operating
On — The port is operating
ACT Off — No data is being transmitted
Orange flashing — Data is being transmitted
Table 19 Specifications for the
24-Port 1000BASE-X (SFP) Module
Specification Description
CPU MPC8245
BootROM 512 KB
SDRAM 128 MB
Dimensions (L x W) 366.7 x 340 mm (14.5 x 13.4 in)
Power consumption 100 W
Connector SFP
Number of ports 24
Transmission rate 1000 Mbps full duplex
1 2