GarrettCom TB14H manual Media Converter LED Indicators, Pwr

Models: TB14 TB14H

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TB14 and TB14H 10Mb Media Converters

Installation and User Guide (09/04)

Cooling Method: Convection, plus the case is used as a heat sink on “H” models

Media Converter LED Indicators:

 

LED

TB14

TB14H

Description

PWR

unit

unit

Steady ON when power is applied

Link

TP,

TP

Steady ON when proper link is

 

 

 

established at both ends of the segment.*

RX/A

TP, BNC

TP, BNC

Blinking indicates activity, port is receiving

 

 

 

packets. (Steady On or Off = no RX activity).

POL

TP

TP.

Indicates the unit has detected a TP receive

 

 

 

wire-pair signal inversion (polarity).

COL* .

TP, BNC.

TP, BNC

Indicates unit is simultaneously transmitting

 

 

 

and receiving data from the cables.

JAB*

n.a.

unit

Indicates jabber (illegal packet length fault)

 

 

 

condition. when lit,

Segment is partitioned, .NOTE:

*COL and JAB LEDs, only on TB14 and TB14H units, are indicators applicable to standard Ethernet collision domains with only half-duplex operation.

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GarrettCom TB14H manual Media Converter LED Indicators, Pwr