3com 3C16896 8 slot AC Chassis User Manual

C

HAPTER

 1: S

WITCH

 7750 C

OMPONENTS

Figure 16   24-Port 100BASE-FX MMF FE Module

Each 100 Mbps optical port has a green LED, as shown in Figure 17. 

Figure 17   Front Panel of the 

24-Port 100BASE-FX MMF FE Module

 

1 Ethernet port

2 Ethernet port LED

Table 27 describes the status of the 24-port 100BASE-FX MMF FE module LEDs.

The 24-port 100BASE-FX MMF FE module requires a 62.5/125 µm multi-mode 
optical fiber cable with an MT-RJ connector and a central wavelength of 1300 nm.

Table 28 describes the specifications of the 24-port 100BASE-FX MMF FE module.

24-Port 100BASE-FX MMF FE Module

 LEDs 

LINK/ACT

Green — The port is connected.

 

Off — The port is not connected.

 

Green flashing — Data is being transmitted or received.

Table 28   Specifications for the 24-Port 100BASE-FX MMF FE Module 

CPU

MPC850

BootROM

512 KB

SDRAM

64 MB

Dimensions (L x W) 

366.7 x 340 mm (14.5 x 13.4 in)

Maximum power 
consumption

55 W

Connector type

MT-RJ

Number of ports

24

Port transmission speed

100 Mbps, full-duplex

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