3com 3C17501 Manual Do Utilizador

C

HAPTER

 1: S

WITCH

 8800 C

OMPONENTS

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)

Table 18   24-Port 1000BASE-X

 (SFP)

 Module LEDs 

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

 

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