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JetNet 3705-24V
5-port Industrial Fast Ethernet PoE Switch
User Manual
Revision V1.0

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Summary of Contents for Korenix JetNet 3705-24V

  • Page 1 JetNet 3705-24V 5-port Industrial Fast Ethernet PoE Switch User Manual Revision V1.0...
  • Page 2: Fcc Warning

    FCC Warning This Equipment has been tested and found to comply with the limits for a Class-A digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy.
  • Page 3: Table Of Contents

    Content Introduction..............1 Features..............1 Package Contents........... 2 Hardware Description ..........3 Physical Dimension..........3 Front Panel.............. 4 Top View..............4 LED Indicators............5 Ports................. 6 Cabling..............7 Wiring the Power Inputs ........8 Wiring the Fault Alarm Contact......9 Mounting Installation ..........
  • Page 4: Introduction

    JetNet 3705-24V 5-port Industrial Fast Ethernet Power over Ethernet Switch Introduction The JetNet 3705-24V Industrial Switch is 5-port Fast Ethernet switch with 4 IEEE- 802.3af PoE injectors with one DC booster for transportation PoE application. The internal DC booster can boost Dc power from 24V to 48V to compliance with IEEE 802.3af Power over Ethernet standard.
  • Page 5: Package Contents

    Package Contents Please refer to the package contents list below to verify them against the checklist. JetNet 3705-24V User manual Removable Terminal Block- installed on the device Wall-mount Kit (2 wall-mount bracket with screws) Compare the contents of the industrial switch with the standard checklist above. If any...
  • Page 6: Hardware Description

    In this paragraph, the Industrial switch’s hardware specs, ports, cabling information, and wiring installation will be described. Physical Dimension JetNet 3705-24V dimensions (W x D x H) is 48.6mm x 95mm x 140mm, the detail dimensions as Figure-1 Figure-1: Mechanical Dimension...
  • Page 7: Front Panel

    Figure-2: Front Panel of the PoE Injectors Industrial Switch Top View The top view of the JetNet 3705-24V has one terminal block connector of two DC power inputs and Relay circuit contact. Please refer to Figure-3 for further information. Figure-3: Top View of the JetNet 3705-24 Industrial Switch...
  • Page 8: Led Indicators

    LED Indicators The diagnostic LEDs located on the front panel of the industrial switch provide real-time information of system and operation status. Table-1 provides the description of the LEDs status and their definitions for the switch. Color Description Power input 1 is active Green Power input 1 is inactive Power input 2 is active...
  • Page 9: Ports

    Ports RJ-45 ports The Fast Ethernet ports (RJ-45) will auto-sense for 10Base-T or 100Base-TX connections. Auto MDI/MDI-X means that the switch can connect to another switch or workstation without changing straight-through or crossover cabling. Please refer to Table-2 for RJ-45 pin assignment. Pin Number Assignment Table-2: RJ-45 Pin Assignment...
  • Page 10: Cabling

    The following figures show the cable schematic for straight-through type (Figure-4) and crossover type (Figure-5). Switch Router / PC 3 TD+ 3 RD+ 6 TD- 6 RD- 1 RD+ 1 TD+ 2 RD- 2 TD- Figure-4: Straight Through Cable Schematic Switch Switch 3 TD+...
  • Page 11: Wiring The Power Inputs

    JetNet 3705-24V 5-port Industrial Fast Ethernet Power over Ethernet Switch Wiring the Power Inputs Please follow the steps below to wire the power cord which from the other compliant external DC power supplier. Insert the positive and negative wires into the PWR1 (V1+, V1-) and PWR2 (V2+, V1-) contacts on the terminal block connector as shown in Figure-6.
  • Page 12: Wiring The Fault Alarm Contact

    Wiring the Fault Alarm Contact The fault alarm contact is in the middle of terminal block connector as the picture shows below. Inserting the wires, will detect the fault status including power failure or port link failure (managed industrial switch only) and from a Normally Close circuit. Please refer to Figure-8 for the fault alarm contact, and Figure-9 shows the application example for the fault alarm operation.
  • Page 13: Mounting Installation

    JetNet 3705-24V 5-port Industrial Fast Ethernet Power over Ethernet Switch Mounting Installation DIN-Rail Mounting The DIN-Rail bracket is screwed on the switch on the production line in the factory. If the bracket is not screwed on the switch, please refer to Figure-10 to screw it on the switch.
  • Page 14: Wall Mounting

    After the DIN-Rail bracket is screwed on the rear side of the switch, insert the top of the bracket into the rail. Then, lightly pull-down the bracket into the rail. Be sure the DIN rail specification is compliance EN 50022 standard. (3.5cm DIN rail ) Figure-11 Check if the bracket is tightened on the rail or not.
  • Page 15 Figure-12: Wall-Mount Bracket Installation Figure-13: Wall-Mount Bracket Dimension...
  • Page 16: Hardware Installation

    JetNet 3705-24V 5-port Industrial Fast Ethernet Power over Ethernet Switch Hardware Installation In this paragraph, we are going to explain how to install the JetNet 3705-24V and the installation points to be attended to it. Installation Steps 1. Unpack the Industrial switch packing.
  • Page 17: Network Application

    JetNet 3705-24V 5-port Industrial Fast Ethernet Power over Ethernet Switch Network Application This segment provides the sample to help user have more actual idea of industrial switch application. For a sample application of the industrial switch, see the Figure-14 below.
  • Page 18: Troubleshooting

    JetNet 3705-24V 5-port Industrial Fast Ethernet Power over Ethernet Switch Troubleshooting Verify that you are using the right power cord/supplier/adapter (DC 24V/48V), please don’t use the power supplier/adapter with a non-compliant DC output voltage, or it will burn the equipment.
  • Page 19: Technical Specification

    Technical Specification The technical specifications of JetNet 3705-24V is shown as below. IEEE 802.3 10Base-T Ethernet IEEE 802.3u 100Base-TX Fast Ethernet Standard IEEE802.3x Flow Control and Back Pressure IEEE802.3af Power over Ethernet Protocol CSMA/CD 14,880 pps for 10Base-T Ethernet port...
  • Page 20 10Base-T: 2-pair UTP/STP Cat. 3, 4, 5, 5e, 6 cable EIA/TIA-568 100-ohm (100m) Network Cable 100Base-TX: 2-pair UTP/STP Cat. 5, 5e, 6 cable EIA/TIA-568 100-ohm (100m) Over Current Fast-Blown Fuse Protection Redundant power DC 24/48V with connective removable Power Supply terminal block Max Power 62.5 Watts (@ 48V);...
  • Page 21 Less Time At Work! Fewer Budget on applications! The Korenix business idea is to let you spend less time at work and fewer budget on your applications. Do you really want to go through all the troubles but still end up with low quality products and lousy services? Definitely not! This is why you need Korenix.

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