Korenix JetNet 3705 User Manual Download Page 11 | Manualshive

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Chapter 2

Hardware Installation

This chapter includes information of installation and configuration.

The following topics are covered in this chapter:

Introduction

¾

Dimension

¾

Panel

Layout

¾

LED

Indicators

¾

DIP

Switch

Wiring the Power Inputs

Wiring the Relay Output

Wiring the Ethernet Ports

Wiring the Fiber Ports

DIN-Rail Mounting Installation

Wall-Mounting Installation

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Summary of Contents for JetNet 3705

Page 1: ...Korenix JetNet 3705 Series Industrial Power over Ethernet Switch User s Manual First Edition April 2006 www korenix com ...

Page 2: ... 3705 Series Industrial Power over Ethernet Switch User s Manual Copyright Notice Copyright 2005 Korenix Technology Co Ltd All rights reserved Reproduction in any form or by any means without permission is prohibited ...

Page 3: ...in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into ...

Page 4: ... series 2 2 Panel Layout 2 2 LED Indicators 2 3 DIP Switch 2 4 Wiring the Power Inputs 2 4 Wiring the Relay Output 2 5 Wiring the Ethernet Ports 2 6 Connecting to PD 2 1 Wiring the Fiber Ports JetNet 3705f series 2 2 DIN Rail Mounting Installation 2 2 Chapter 3 Troubleshooting 3 3 Power Connections 3 4 Incorrect Connections 3 4 Faulty or Loosen Cables 3 4 Non standard Cables 3 4 Improper Network D...

Page 5: ...over Ethernet rail switch that is specially designed for industrial or commercial applications The following topics are covered in this chapter Overview Ethernet Switching Technology Power over Ethernet Technology Product Features Package Checklist Installation Guide ...

Page 6: ...ble data transmission for industrial applications JetNet 3705 Series will be your best option for industrial network or security system Ethernet Switching Technology To better understand the operation of an Ethernet switch we need to first differentiate it from a hub An Ethernet hub or repeater is a device that is used to simply connect Ethernet nodes Any message at one hub port is repeated on all...

Page 7: ... Ethernet collision domain is said to terminate at the switch port That is a two port switch will effectively break a network into two distinct data links or segments The JetNet 3705 and JetNet 3705f Industrial Ethernet Switch can break a network into 5 distinct data links or segments also called collision domains Since all Ethernet nodes are able to recognize the occurrence of a collision and sin...

Page 8: ... 48V power and Ethernet frame through the traditional cabling system PoE architecture includes 2 elements Power Sourcing Equipment PSE and Powered Device PD PSE device provides auto detection capability to recognize the characteristics of link partner to deliver exactly power to the PD it also will not damage the link partner if it is not a PD or the link cable is short or the device is broken and...

Page 9: ...802 3 10Base T 802 3u 100Base TX 802 3u 100Base FX JetNet3705f 512kbits embedded memory buffer with 1K entry MAC address table auto MDI MDI X RJ 45 ports Store and Forward switching architecture IEEE 802 3x flow control Flow control on full duplex mode Back pressure on half duplex mode Reverse power polarity protection Robust Aluminum case IP30 standard DIN Rail Wall mounting Desktop Installation ...

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Page 11: ...n and configuration The following topics are covered in this chapter Introduction Dimension Panel Layout LED Indicators DIP Switch Wiring the Power Inputs Wiring the Relay Output Wiring the Ethernet Ports Wiring the Fiber Ports DIN Rail Mounting Installation Wall Mounting Installation ...

Page 12: ...3705 and 3705f series Below is the JetNet3705 series mechanical dimension diagram the unit is mm Panel Layout Here we use JetNet 3705 PoE Switch as an example Top View 1 LED indicators 2 DIP switch 3 RJ 45 PoE ports 4 Terminal Block 5 Fiber ports JetNet3705f RJ 45 port JetNet3705 6 DC Jack 1 3 2 4 5 6 ...

Page 13: ... output LED Indicators There are 13 diagnostic LEDs on JetNet 3705 and JetNet3705f Industrial PoE Switch These LED indicators provide administrators with real time system status The following table describes the function of each LED indicator LED Status Description Green DC IN Power Jack is On PWR Off No Power in DC IN Green Terminal Block PWR1 Power is on PWR 1 Off No power in Terminal Block PWR1...

Page 14: ...ort 1 5 DIP 1 5 Off Disable the port alarm function ON To enable Power fault alarm function DIP 6 Off To disable Power fault alarm function Notes DIP Switches 1 If the corresponding port alarm DIP switch is set ON when that port connection fails the Fault LED will light up and the alarm relay contacts will close 2 After setting any DIP Switch you will need to reboot power to activate the setting W...

Page 15: ...tween PWR2 and PWR1 as shown in the figure below These contacts are single pole single throw SPST and are energized open circuited for normal operation These contacts will close if the unit is not powered or if either DC power 1 or power 2 fails or if a port connection fails if that port alarm DIP switch is ON The figure below gives an example of how the output alarm relay operates Note The relay ...

Page 16: ... DC 48V through the RJ 45 pin 7 and 8 The following figures depict the schematic diagram of straight through and crossover cabling Note that crossover cables simply cross connect the transmit lines at each end to the receive lines at the opposite end Straight through Cabling Schematic Cross over Cabling Schematic Note that Ethernet cables use pins 1 2 3 and 6 of an 8 pin RJ45 connector The signals...

Page 17: ...ve Vport 8 Negative Vport Be sure the twisted pair cable is bound with the standard RJ 45 pin especially the pin 4 5 7 and 8 If the RJ 45 is bound with the wrong pin number Jetnet3705 will not recognize the PD and won t forward DC 48V power to PD since the JetNet 3705 series switch following the Alternative B mode In the IEEE 802 3af standard documents it indicates the PD should support mode A and...

Page 18: ...ingle mode cable is generally more expensive A fiber segment using single mode cable must use 9 125 or 10 125 micrometer single mode fiber cables For single mode the connection distance can be up to 30 km A fiber segment using multi mode must use 50 or 62 5 125 micrometer multi mode fiber cables For multi mode the connection distance can be up to 2 km DIN Rail Mounting Installation Wall mount Use ...

Page 19: ... 3 Chapter 3 Troubleshooting This chapter includes the information for general troubleshooting The following topics are covered in this chapter Power Connections Incorrect Connections Faulty or Loose Cables Non standard Cables Improper Network Design LED Indicators ...

Page 20: ...rts of connected devices For fiber connections make sure that the fiber cable type matches the fiber model multi mode or single mode For the RJ 45 connectors use the correct UTP or STP cables as required For 10 100M ports use 2 pairs of twisted cables Faulty or Loosen Cables Visually inspect for loose or obviously faulty connections at all connectors and cables If that does not correct the problem...

Page 21: ...es at the power outlet You should also verify that your supply voltage remains within the required DC 48V while under load Refer to the port Link LED LNK to verify that a connection has been properly established solid green A blinking green LNK LED indicates communication activity If the LNK LED remains off after making a connection then no device has been detected and the cable may be bad or the ...

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Page 23: ...lane 1 0Gbps LEDs Per port Link Activity Green on Green Blinking 100Mbps Yellow on Yellow Blinking 10Mbps PoE Green Per unit Power 1 Green Power 2 Green Power Green Fault Red Network Cables 10Base T twisted pair UTP STP Cat 3 4 5 cable EIA TIA 568 100 ohm 100m 100Base TX twisted pair UTP STP Cat 5 cable EIA TIA 568 100 ohm 100m PoE Port Port 1 4 Pin assignment TX 3 6 RX 1 2 Positive Vport 4 5 Nega...

Page 24: ... 95 Relative Humidity non condensing Storage Temperature 40 to 85 Dimensions 33 8 mm H x 164 8 mm W x 108 mm D Case protection IP 30 degree Aluminum case Fan free design EMI FCC Class A EN55022 Class A EMC CE EN61000 4 2 CE EN61000 4 3 CE EN61000 4 4 CE EN61000 4 5 CE EN61000 4 6 CE EN61000 4 8 CE EN61000 4 11 Safety UL cUL CE EN60950 Stability IEC60068 2 32 free fall test IEC60068 2 27 shock test...

Page 25: ...C C Appendix B Revision History Edition Date Modifications 1st Mar 30 ...

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