3com 3C16895 7-slot Chassis User Manual

C

HAPTER

 1: S

WITCH

 7750 C

OMPONENTS

Figure 23   Front Panel of the 

12-port 10/100/1000BASE-T and 4-port 1000BASE-X 

SFP Module

 

1 Ethernet port

2 Ethernet port LED

3 SFP port

4 SFP LED

Table 31 describes the 12-port 10/100/1000BASE-T and 4-port 1000BASE-X SFP 
module LEDs.

Table 34 lists specifications of the 12-port 10/100/1000BASE-T and 4-port 
1000BASE-X SFP module.

Table 33    

12-port 10/100/1000BASE-T 

Module LEDs 

LINK/ACT

Off — The port is not operating.

 

On — The port is operating.

 

Green flashing — The port is transmitting or receiving data.

Table 34   Specifications for the 

12-port 10/100/1000BASE-T and 4-port 1000BASE-X 

SFP Module

 

CPU

MPC8245

BootROM

512 KB

SDRAM

256 MB

Dimensions (L x W)

366.7 x 340 mm (14.5 x 13.4 in)

Power consumption

45 W

Connector 

SFP socket

Number of ports

12 10/100/1000BASE-T Ethernet ports

 

4 1000BASE-X (SFP) Ethernet ports

Transmission rate

1000 Mbps full duplex (optical port)

 

10 Mbps half/full duplex (electrical port)

 

100 Mbps half/full duplex (electrical port)

 

1000 Mbps full duplex (electrical port)

Ethernet cable and maximum 
transmission distance

100 m (328 ft) over category-5 twisted pair cable

Compliance

IEEE 802.3

 

IEEE 802.3u

 

IEEE 802.3z

 

IEEE 802.3ab

 

IEEE 802.1p

 

IEEE 802.1Q

 

IEEE 802.1D

 

IEEE 802.1X

 

IEEE 802.1s

 

IEEE 802.1w

 

IEEE 802.3x

 

IEEE 802.3ad

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3C168916

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