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1. Install the converter in a ventilated and dry place that is free of electromagnetic source, vibration, moisture, and dust. 

2. Make sure the ventilation openings on the converter are not blocked. 

Single-mode): 9/125um ,1310nm.

4. DC input (48~57VDC). Follow the printed polarity for V+, V-, and Ground.   

D51-044-30

D51-044-90

D51-084-30

D51-044-30 Industrial L2+ Managed GbE PoE Switch

D51-044-90

D51-084-30

Quick Installation Guide

The D51 series is a 4/8 port 10/100/1000BaseT at PoE/ bt PoE switch capable of feeding 15.4/30W or 15.4/30//60/90W 

(54Vmax. per port) power to Power over Ethernet (PoE) devices. It comes with another 2x GbE TP port + 2xGbE SFP port or 

4xGbE SFP port. The switch is capable of a total of 120W/240 Watts PoE power budget.

IMPORTANT

INTRODUCTION

CONNECTION

* 1x PoE switch

* 1x Quick Installation Guide

* 1x 4-pin terminal block

* 2x 2-pin terminal block

* 1x DB9F-RJ45 console cable

* 1x DIN rail bracket

PACKAGE CONTENTS

IP Address

192.168.1.1

Subnet Mask

255.255.255.0

User Name

admin

Password

admin

DEFAULTS

1. Pull out the 4-pin terminal block.

2. Connect power wires to V+, and V-.  

4. install the 4-pin terminal block.    

NOTE

: Digital output (relay): ON/OFF Digital input: level 0(Low) -> 0V, 

level 1(High) -> 12V. 

Power LEDs

LED

Color State Description

Power1

Green On

Powered on correctly.

Off

Not receiving power from power1.  

Power2 

Green On

Powered on correctly.

Off

Not receiving power from power1. 

10/100/1000

RJ45 ports

100/1000

SFP ports

Digital input

Digital output relay

Console port

Power1 LED

Power2 LED

DO LED

Reset button

10/100/1000

RJ45 ports

100/1000

SFP ports

Power1 LED

Power2 LED

DO LED

Digital input

Digital output relay

Console port

Reset button

10/100/1000

RJ45 ports

100/1000

SFP ports

Digital input

Digital output relay

Console port

Power1 LED

Power2 LED

DO LED

Reset button

P/N:A625012300G

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