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Accton Technology CheetahSwitch Workgroup-3627 Installation Manual

Multilayer workgroup switch with 24 10base-t / 100base-tx (rj-45) ports, and 2 slots for optional 100base-fx or gigabit uplink modules
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CheetahSwitch Workgroup-3627
Installation Guide

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Summary of Contents for Accton Technology CheetahSwitch Workgroup-3627

  • Page 1 CheetahSwitch Workgroup-3627 Installation Guide...
  • Page 3 Installation Guide CheetahSwitch Workgroup-3627 Multilayer Workgroup Switch with 24 10BASE-T / 100BASE-TX (RJ-45) Ports, and 2 Slots for Optional 100BASE-FX or Gigabit Uplink Modules...
  • Page 4 +65 238 6466 Support: +888-398-4101 or +949-707-4847 Internet: www.acctontech.com RMA: +800-762-4968 Fax: +949-707-2460 Accton is a trademark of Accton Technology Corporation. Other trademarks or brand names mentioned herein are trademarks or registered trademarks of their respective companies. ES3627 E122001-R03 150633-102...
  • Page 5 Warranty Accton warrants to the original owner that the product delivered in this package will be free from defects in material and workmanship for a period of three (3) years from the date of purchase from Accton or its Authorized reseller. For the warranty to apply, you must register your purchase by returning the registration card indicating the date of purchase and including proof of purchase.

  • Page 7: Japan Vcci Class A

    Compliances FCC - Class A This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause interference to radio communications. It has been tested and found to comply with the limits for a Class A computing device pursuant to Subpart B of Part 15 of FCC Rules, which are designed to provide reasonable protection against such interference when operated in a commercial environment.
  • Page 8 Compliances CE Mark Declaration of Conformance for EMI and Safety (EEC) This information technology equipment complies with the requirements of the Council Directive 89/336/EEC on the Approximation of the laws of the Member States relating to Electromagnetic Compatibility and 73/23/EEC for electrical equipment used within certain voltage limits and the Amendment Directive 93/68/EEC.

  • Page 9: Safety Compliance

    Safety Compliance Safety Compliance Warning: Fiber Optic Port Safety When using a fiber optic port, never look at the transmit laser while it is CLASS I powered on. Also, never look directly at the fiber TX port and fiber cable LASER DEVICE ends when they are powered on.
  • Page 10 Compliances Wichtige Sicherheitshinweise (Germany) Bitte lesen Sie diese Hinweise sorgfältig durch. Heben Sie diese Anleitung für den späteren Gebrauch auf. Vor jedem Reinigen ist das Gerät vom Stromnetz zu trennen. Verwenden Sie keine Flüssigoder Aerosolreiniger. Am besten eignet sich ein angefeuchtetes Tuch zur Reinigung.

  • Page 11: Table Of Contents

    Contents Chapter 1: About the CheetahSwitch Workgroup-3627 Overview Switch Architecture Management Options Description of Hardware 10BASE-T/100BASE-TX Ports Status LEDs Optional Media Extender Modules Optional Redundant Power Unit Power Supply Receptacles Features and Benefits Connectivity Expandability Performance Management Chapter 2: Network Planning...
  • Page 12 Contents Chapter 4: Making Network Connections Connecting Network Devices Twisted-Pair Devices Cabling Guidelines Connecting to PCs, Servers, Hubs and Switches Wiring Closet Connections Fiber Optic Devices Appendix A: Troubleshooting Diagnosing Switch Indicators Power and Cooling Problems Installation In-Band Access Appendix B: Cables Specifications Twisted-Pair Cable and Pin Assignments 10BASE-T/100BASE-TX Pin Assignments...

  • Page 13: Chapter 1: About The Cheetahswitch Workgroup-3627

    Chapter 1: About the CheetahSwitch Workgroup-3627 Overview Accton’s CheetahSwitch Workgroup-3627 is an intelligent multilayer (Layer 2 and 3) switch with 24 10BASE-T/100BASE-TX ports plus two slots on the rear panel for slide-in 1000BASE-LX, 1000BASE-SX, 1000BASE-T or 100BASE-FX modules. This switch can easily tame your network with full support for Spanning Tree Protocol, Multicast Switching, Virtual LANs, and IP routing.

  • Page 14: Management Options

    About the CheetahSwitch Workgroup-3627 Management Options This switch contains a comprehensive array of LEDs for “at-a- glance” monitoring of network and port status. It also includes a built-in network management agent that allows the switch to be managed in-band using SNMP or RMON (Groups 1, 2, 3 and 9) protocols, with a Web browser, or remotely via Telnet.
  • Page 15 Overview Multicast Switching Specific multicast traffic can be assigned to its own VLAN to ensure that it does not interfere with normal network traffic and to guarantee real-time delivery by setting the required priority level for the designated VLAN. The switch uses IGMP Snooping and GMRP at Layer 2, and IGMP at Layer 3 to manage multicast group registration.

  • Page 16: Description Of Hardware

    About the CheetahSwitch Workgroup-3627 Description of Hardware 10BASE-T/100BASE-TX Ports These are dual-speed RJ-45 ports. Because all ports on this switch support automatic MDI/MDI-X operation, you can use straight-through cables for all network connections to PCs or servers, or to other switches or hubs. (See “10BASE-T/ 100BASE-TX Pin Assignments”...

  • Page 17: Optional Media Extender Modules

    Description of Hardware Port Status LEDs Condition Status Module Ports A module is installed in this port Status Link Port has a valid connection, port enabled Flashing Port has a valid connection, port disabled * Use the Status button to select LED display mode. System Status LEDs Condition Status...
  • Page 18 About the CheetahSwitch Workgroup-3627 Optional 1000BASE-LX Module (EM4501C-LX-SC) 1000BASE LX-SC Expansion Module EM4501C-LX-SC Figure 1-4. Single-Port 1000BASE-LX Gigabit Module Using single-mode fiber optic cable, the 1000BASE-LX port can be connected to a remote site up to 5 km (16404 ft) away. The 1000BASE-LX Gigabit module operates at 1 Gbps, with support for full-duplex mode and flow control.

  • Page 19: Optional Redundant Power Unit

    Description of Hardware Optional 100BASE-FX Module (EM3526JA-1FX-SC-M) 100BASE-FX Multimode Module EM3526JA-1FX-SC-M Figure 1-7. Single-Port 100BASE-FX Multimode Module Using multimode fiber optic cable, the 100BASE-FX port can be connected to a remote site up to 2 km (1.24 miles) away. The 100BASE-FX module operates at 100 Mbps, with support for full-duplex mode and flow control.

  • Page 20: Features And Benefits

    About the CheetahSwitch Workgroup-3627 Features and Benefits Connectivity • 24 dual-speed ports for easy Fast Ethernet integration and for protection of your investment in legacy LAN equipment • Auto-negotiation enables each RJ-45 port to automatically select the optimum communication mode (half or full duplex) if this feature is supported by the attached device;...

  • Page 21: Management

    Features and Benefits • Three year warranty Management • “At-a-glance” LEDs for easy troubleshooting • Network management agent: • Manages switch in-band or out-of-band • Supports Telnet, SNMP/RMON and Web-based interface • Spanning Tree Protocol for redundant network connections • VLAN Support with up to 256 groups, port-based or with 802.1Q VLAN tagging, and GVRP for automatic VLAN learning •...
  • Page 22 About the CheetahSwitch Workgroup-3627 1-10...

  • Page 23: Chapter 2: Network Planning

    Chapter 2: Network Planning Introduction to Switching A network switch allows simultaneous transmission of multiple packets via non-crossbar switching. This means that it can partition a network more efficiently than bridges or routers. The switch has, therefore, been recognized as one of the most important building blocks for today’s networking technology.

  • Page 24: Sample Applications

    In the figure below, this switch is operating as a collapsed backbone for a small LAN. It is providing dedicated 20 Mbps full-duplex connections to workstations and 200 Mbps full-duplex connections to power users and servers. 11 12 CheetahSwitch Workgroup-3627 Link Power Status...

  • Page 25: Central Wiring Closet

    In the figure below, the 10BASE-T/100BASE-TX ports on the CheetahSwitch are providing 100 Mbps connectivity for up to 24 segments through Accton’s stackable switches (ES3526F). In addition, the switch is also connecting servers at 200 Mbps. CheetahSwitch (3627) 10 11 12 CheetahSwitch Workgroup-3627 Link Power Status Link...

  • Page 26: Remote Connections With Fiber Cable

    While a Gigabit module can be used for a high-speed connection between floors in the same building, or to connect to other buildings in a campus setting. The figure below illustrates this switch connecting multiple segments with fiber cable. Headquarters 10 11 12 CheetahSwitch Workgroup-3627 Link Power Status SNMP Link...

  • Page 27: Making Vlan Connections

    VLAN. When VLANs cross separate switches, it is therefore better to use VLAN tagging. This allows you to assign multiple VLAN groups to the “trunk” ports (that is, tagged ports) connecting different switches. R&D 11 12 VLAN 1 CheetahSwitch Workgroup-3627 Link Power Status Link SNMP...

  • Page 28: Using Layer 3 Routing

    This switch will perform IP routing for specified VLAN groups, a directly connected subnetwork, a remote IP subnetwork or host address, a subnetwork broadcast address, a switch IP address on a specific IP subnetwork, or an IP multicast address. 10 11 12 CheetahSwitch Workgroup-3627 Link Power Status Link...

  • Page 29: Connectivity Rules

    Connectivity Rules Connectivity Rules When adding hubs (repeaters) to your network, please follow the connectivity rules listed below for Ethernet or Fast Ethernet. However, note that because switches break up the path for connected devices into separate collision domains, you should not include the switch or connected cabling in your calculations for cascade length involving other devices.

  • Page 30: 10 Mbps Ethernet Collision Domain

    Network Planning Accton 3-2 Rule for Class II Repeaters Between any two PCs or other stations in the same 100BASE-TX collision domain, there may be: • up to 3 link segments • up to 2 Class II repeaters (hubs) Accton 2-1 Rule for Class I Repeaters Between any two PCs or other stations in the same 100BASE-TX collision domain, there may be: •...

  • Page 31: Application Notes

    Application Notes Application Notes Full-duplex operation only applies to point-to-point access (such as when a switch is attached to a workstation, server or another switch). When the switch is connected to a hub, both devices must operate in half-duplex mode. When a switch is connected to a hub or any kind of shared media, remember to turn off back pressure to prevent jamming packets from being propagated throughout the hub.
  • Page 32 Network Planning 2-10...

  • Page 33: Chapter 3: Installing The Switch

    Then, before beginning the installation, be sure you have all other necessary installation equipment. Package Contents • CheetahSwitch Workgroup-3627 unit (ES3627) • Four adhesive foot pads • Bracket Mounting Kit containing two brackets and four screws for attaching the brackets to the switch •...

  • Page 34: Optional Rack-Mounting Equipment

    Installing the Switch Optional Rack-Mounting Equipment If you plan to rack-mount the switch, be sure to have the following equipment available: • Four mounting screws for each device you plan to install in a rack—these are not included • A screwdriver (Phillips or flathead, depending on the type of screws used) Mounting This switch can be mounted in a standard 19-inch equipment rack or on a desktop or shelf.

  • Page 35: Desktop Or Shelf Mounting

    Mounting Mount the device in the rack, using four rack-mounting screws (not provided). Li nk St at us Li nk St at us C O L AC T FD X 10 0M Po w er St at us C he et R PU ah Sw itc h W...

  • Page 36: Installing An Optional Module Into The Switch

    Installing the Switch Set the device on a flat surface near an AC power source, making sure there are at least two inches of space on all sides for proper air flow. If installing a single switch only, go to “Connecting to a Power Source” at the end of this chapter.

  • Page 37: Connecting To A Power Source

    Connecting to a Power Source Connecting to a Power Source To connect a device to a power source: Insert the power cable plug directly into the receptacle located at the back of the device. 100-240 V 50-60 Hz 2 A DC Input Figure 3-4.
  • Page 38 Installing the Switch...

  • Page 39: Chapter 4: Making Network Connections

    Chapter 4: Making Network Connections Connecting Network Devices This switch is designed to interconnect multiple segments (or collision domains). It may be connected to network cards in PCs and servers, as well as to Ethernet and Fast Ethernet hubs, switches or routers. It may also be connected to devices using the optional 1000BASE-LX, 1000BASE-SX, 1000BASE-T or 100BASE-FX modules.

  • Page 40: Wiring Closet Connections

    Making Network Connections If the device is a network card and this switch is in the wiring closet, attach the other end of the cable segment to a modular wall outlet that is connected to the wiring closet (see “Wiring Closet Connections” on the next page). Otherwise, attach the other end to an available port on the switch.

  • Page 41: Fiber Optic Devices

    Fiber Optic Devices Fiber Optic Devices An optional slide-in 100BASE-FX module may be used for backbone and long distance connections. A 1000BASE-X module may also be used for a backbone connection between switches, or for connecting to a high-speed server. Each multimode fiber optic port requires 50/125 or 62.5/125 micron multimode fiber optic cabling with an SC connector at both ends.
  • Page 42 Making Network Connections The 100BASE-FX fiber optic ports operate only at 100 Mbps, full duplex. You can run a single-mode fiber link up to 20 kilometers (12.43 miles). However, note that power budget constraints must also be considered when calculating the maximum cable length for your specific environment.

  • Page 43: Appendix A: Troubleshooting

    Appendix A: Troubleshooting Diagnosing Switch Indicators Troubleshooting Chart Symptom Action Power LED is Off • Internal or redundant power supply has failed or is disconnected. • Check connections between the switch, the power cord, the wall outlet, and the RPU if you are using one. •...
  • Page 44 Troubleshooting Note: You can configure the management agent to accept one to four simultaneous Telnet sessions. If the maximum number of sessions already exists, an additional Telnet connection will not be able to log into the system.

  • Page 45: Appendix B: Cables

    Appendix B: Cables Specifications Cable Types and Specifications Cable Type Max. Length Connector 10BASE-T Cat. 3, 4, 5 100-ohm UTP 100 m (328 ft) RJ-45 100BASE-TX Cat. 5 100-ohm UTP 100 m (328 ft) RJ-45 100BASE-FX 50/125 or 62.5/125 micron core 2 km (1.24 miles) SC or ST multimode fiber (MMF)

  • Page 46: 10Base-T/100Base-Tx Pin Assignments

    Cables Figure B-1 illustrates how the pins on the RJ-45 connector are numbered. Be sure to hold the connectors in the same orientation when attaching the wires to the pins. Figure 2-1. RJ-45 Connector Pin Numbers 10BASE-T/100BASE-TX Pin Assignments With 100BASE-TX/10BASE-T cable, pins 1 and 2 are used for transmitting data, and pins 3 and 6 for receiving data.

  • Page 47: 1000Base-T Pin Assignments

    1000BASE-T Pin Assignments 1000BASE-T Pin Assignments 1000BASE-T ports switch support automatic MDI/MDI-X operation, so you can use straight-through cables for all network connections to PCs or servers, or to other switches or hubs. The table below shows the 1000BASE-T MDI and MDI-X port pinouts. These ports require that all four pairs of wires be connected.

  • Page 48: Adjusting Existing Category 5 Cabling To Run 1000Base-T

    Cables Adjusting Existing Category 5 Cabling to Run 1000BASE-T If your existing Category 5 installation does not meet one of the test parameters for 1000BASE-T, there are basically three measures that can be applied to try and correct the problem: Replace any Category 5 patch cables with high-performance Category 5e cables.

  • Page 49: Console To 25-Pin Dte Port On Pc

    Console Port Pin Assignments Console to 25-Pin DTE Port on PC Switch’s 9-Pin Null Modem PC’s 25-Pin Serial Port DTE Port 2 RXD <--------- ------------ 2 TXD 3 TXD ----------- ----------> 3 RXD 5 SGND ----------- SGND ---------- 7 SGND No other pins are used.
  • Page 50 Cables...

  • Page 51: Appendix C: Specifications

    Appendix C: Specifications Physical Characteristics Ports 24 10BASE-T/100BASE-TX, with auto-negotiation Network Interface Ports 1-24: RJ-45 connector, auto MDI/MDI-X 10BASE-T: RJ-45 (100-ohm, UTP cable; Categories 3, 4, 5) 100BASE-TX: RJ-45 (100-ohm, UTP cable; Category 5) Buffer Architecture 4 Mbytes Aggregate Bandwidth 8.8 Gbps Switching Database 32K MAC address entries...

  • Page 52: Switch Features

    Specifications Heat Dissipation 208 BTU/hr maximum Maximum Current 3 A @ 110 VAC 2 A @ 240 VAC Switch Features Spanning Tree Protocol Forwarding Mode Intra-VLAN: Store-and-forward Inter-VLAN: IP routing (using RIP, RIP2 or DVMRP) Throughput Layer 2: wire speed Layer 3: wire speed Flow Control Full Duplex: IEEE 802.3x...

  • Page 53: Management Features

    Management Features Management Features In-Band Management Telnet, Web-based HTTP, or SNMP manager (AccView Network Management software provided free) Out-of-Band Management RS-232 DB-9 console port Software Loading TFTP in-band or XModem out-of-band MIB Support MIB II (RFC 1213), Bridge MIB (RFC 1493), RIP2 MIB (RFC 1389), VLAN MIB (Internet draft), Accton’s private MIB, DVMRP MIB (Internet draft) RMON Support Groups 1, 2, 3, 9 (Statistics, History, Alarm, Event)

  • Page 54: Warranty

    Specifications Immunity EN 61000-4-2/3/4/5/6/8/11 Safety CSA/NRTL (CSA 22.2.950 & UL 1950) EN60950 (TÜV/GS) Warranty Three years Slide-in Modules 1000BASE-SX Extender Module Model EM4501C-SX-SC Ports 1 1000BASE-SX SC-type port Network Interface SC connector, 50/125 or 62.5/125 micron multimode fiber cable Standards IEEE 802.3z Gigabit Ethernet 1000BASE-LX Extender Module Model...

  • Page 55: 1000Base-T Extender Module

    Slide-in Modules 1000BASE-T Extender Module Model EM4501C-T Ports 1 1000BASE-T RJ-45 port Network Interface RJ-45 connector, 100-ohm Category 5 or 5e twisted-pair cable (using all four wire pairs) Standards IEEE 802.3ab 100BASE-FX Extender Module Models EM3526JA-1FX-SC-S, EM3526JA-1FX-SC-M Ports 1 100BASE-FX Network Interface EM3526JA-1FX-SC-S: 9/125 micron single-mode fiber cable EM3526JA-1FX-SC-M: 50/125 or 62.5/125 micron multimode fiber cable...
  • Page 56 Specifications...

  • Page 57: Appendix D: Ordering Information

    Appendix D: Ordering Information CheetahSwitch Workgroup-3627 Products and Accessories Product Number Description ES3627 24-port Fast Ethernet switch with two media expansion slots EM4501C-SX-SC Gigabit module with one 1000BASE-SX multimode fiber port (SC-type connector) EM4501C-LX-SC Gigabit module with one 1000BASE-LX single-mode port...
  • Page 58 Ordering Information...

  • Page 59: Glossary

    Glossary 10BASE-T IEEE 802.3 specification for 10 Mbps Ethernet over two pairs of Category 3, 4, or 5 UTP cable. 100BASE-FX IEEE 802.3u specification for 100 Mbps Fast Ethernet over two strands of 50/125 or 62.5/125 micron core fiber cable. 100BASE-TX IEEE 802.3u specification for 100 Mbps Fast Ethernet over two pairs of Category 5 UTP cable.
  • Page 60 Glossary CSMA/CD CSMA/CD (Carrier Sense Multiple Access/Collision Detect) is the communication method employed by Ethernet, Fast Ethernet, or Gigabit Ethernet. End Station A workstation, server, or other device that does not forward traffic. Ethernet A network communication system developed and standardized by DEC, Intel, and Xerox, using baseband transmission, CSMA/CD access, logical bus topology, and coaxial cable.
  • Page 61 Glossary IEEE 802.3z Defines CSMA/CD access method and physical layer specifications for 1000BASE Gigabit Ethernet. LAN Segment Separate LAN or collision domain. Light emitting diode used for monitoring a device or network condition. Local Area Network (LAN) A group of interconnected computer and support devices. Media Access Control (MAC) A portion of the networking protocol that governs access to the transmission medium, facilitating the exchange of data between network nodes.
  • Page 62 Glossary Switched Ports Ports that are on separate collision domains or LAN segments. Transmission Control Protocol/Internet Protocol (TCP/IP) Protocol suite that includes TCP as the primary transport protocol, and IP as the network layer protocol. Unshielded twisted-pair cable. Virtual LAN (VLAN) A Virtual LAN is a collection of network nodes that share the same collision domain regardless of their physical location or connection point in the network.

  • Page 63: Index

    Index Numerics 10 Mbps connectivity rules 2-8 DC input 1-7 1000 Mbps connectivity rules 2-7 desktop mounting 3-3 1000BASE-LX connections 4-3 device connections 4-1 1000BASE-SX connections 4-3 100BASE cable lengths 2-7 electrical interference, avoiding 3-1 100BASE-FX connections 4-3 equipment checklist 3-1 100BASE-TX ports 1-4 Ethernet connectivity rules 2-8 10BASE cable lengths 2-8...
  • Page 64 Index examples 2-2 null-modem cable 1-2 laser safety 4-3 layer-3 routing 1-2, 1-3 LED indicators optional 100M 1-4 modules C-4 ACT 1-4 modules, installation 3-2 COL 1-4 redundant power unit 1-7 Console 1-5 ordering information D-1 FDX 1-4 out-of-band management 1-2 Link 1-4, 1-5 Power 1-5 problems A-1...
  • Page 65 Index switching introduction to 2-1 sample applications 2-2 method 1-1 SC port connections 4-3 screws for rack mounting 3-2 SC-ST Converter 4-3, D-1 tags serial port 1-2 priority 1-3 site selelction 3-1 VLAN 2-5 SNMP agent 1-2 Telnet 1-2, A-2 Spanning Tree Protocol 1-2, 2-5, 4-1 temperature within a rack 3-2 specifications...
  • Page 66 Index Index-4...
  • Page 68 ES3627 E122001-R03 150633-102...

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