Danpex CFM3400C40 Manuale d'uso - Pagina 3

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Link Fault Pass Through

Note: Link Fault Pass Through (LFP) function only takes effect as S1-Bit4 (see Fig.

11) is enabled. Disabled S1-Bit4 will turn this media converter into a general one.

This media converter supports Link Fault Pass Through (LFP) in TX/FX converter

application. Link status on one port is propagated to the other part to notice the

remote nodes. If TP port is unplugged, this converter stops transmission on fiber

port. This causes the remote fiber node link to fail. LED shows the link failure on

both TP and fiber ports. If fiber link fails, this converter restarts auto-negotiation on

TP port but always stays in the link failure state. This causes the remote TP node link

to fail. LED also shows the link failure on both TP and fiber ports. Refer to the

following table for the LEDs' status:-

Fig. 9 Link LED Status

Remark:

The Fig. 9 shows LEDs' status of only ONE CABLE segment is OUT (disconnected /

damaged / at fault.) If more than one faulty segment is OUT, the LEDs' status may

be different.

Warning:

The Link Fault Pass Through (LFP) function works only when both converters have the

same capability (i.e. used in pair.)

supplied by the same manufacturer/vender.

converters with odd models or non-LFP converters will cease the LFP function.

LED Description

LED

Color

Function

Lit when fiber connection is good

FX LNK/ACT

Green

Blink when fiber data is present

Lit when full-duplex mode is active

FX FDX/COL

Amber

Off when half-duplex is active

Blink when collision is present

Lit when TP connection is good

TP LNK/ACT

Green

Blink when TP data is present

Lit when TP speed is 100Mbps

TP 100

Green

Off when TP speed is 10Mbps

PWR

Green

Lit when +5V power is coming up

DC Jack and AC-DC Power Adapter

The DC jack's central post is 2.5mm wide and conforms to the DC receptacle (2.5mm)

on the 19-inch Converter Rack slot.

Fig. 10 DC+5V Input Jack and Dimension

Keep the AC-DC adapter as spare parts when media converter is installed in a 19-inch

Media Converter Rack.

Furthermore, both LFP converters should be

The connection comes from LFP