SMC Networks SMCGS24C-Smart - Manuals

C OMPLIANCES iv CE Mark Declaration of Conformance for EMI and Safety (EEC) SMC contact for these products in Europe is: SMC Networks Europe,Edificio Conata II, Calle Fructuós Gelabert 6-8, 2 o , 4 a , 08970 - Sant Joan Despí, Barcelona, Spain. This information technology equipment complies with the...

C OMPLIANCES v Safety Compliance Warning: Fiber Optic Port Safety Avertissment: Ports pour fibres optiques - sécurité sur le plan optique Warnhinweis: Faseroptikanschlüsse - Optische Sicherheit Power Cord Safety Please read the following safety information carefully before installing this switch: Wa...

C OMPLIANCES vii Veuillez lire à fond l'information de la sécurité suivante avant d'installer le Switch: AVERTISSEMENT: L’installation et la dépose de ce groupe doivent être confiés à un personnel qualifié.• Ne branchez pas votre appareil sur une prise secteur (alimentation électrique) lorsqu'il n'y...

C OMPLIANCES viii Bitte unbedingt vor dem Einbauen des Switches die folgenden Sicherheitsanweisungen durchlesen: WARNUNG: Die Installation und der Ausbau des Geräts darf nur durch Fachpersonal erfolgen.• Das Gerät sollte nicht an eine ungeerdete Wechselstromsteckdose angeschlossen werden.• Das Gerät...

C OMPLIANCES ix Warnings and Cautionary Messages Warnings (in German) Environmental Statement The manufacturer of this product endeavours to sustain an environmentally-friendly policy throughout the entire production process. This is achieved though the following means:• Adherence to national legisl...

C OMPLIANCES x End of Product Life Span This product is manufactured in such a way as to allow for the recovery and disposal of all included electrical components once the product has reached the end of its life. Manufacturing Materials There are no hazardous nor ozone-depleting materials in this pr...

xi T ABLE OF C ONTENTS 1 About the EZ Switch 10/100/1000 . . . . . . . . . . . . . . . . 1-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Switch Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2Net...

T ABLE OF C ONTENTS xii 4 Making Network Connections . . . . . . . . . . . . . . . . . . . 4-1 Connecting Network Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1Twisted-Pair Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Cabl...

T ABLE OF C ONTENTS xiii Trunk Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-27Trunk Rate Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-28VLAN Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

xv T ABLES Table 1-1 Port Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4Table 1-2 Power Status LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4Table 4-1 Maximum 1000BASE-T Gigabit Ethernet Cable Length . . . . 4-6Table 4-2 Maximum 100...

xvi F IGURES Figure 1-1 Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Figure 1-2 Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Figure 1-3 Port LEDs and Power LED . . . . . . . . . . . . . . . . . . . . . . . 1-4 Fig...

F IGURES xvii Figure 5-20 Trunk Membership . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-27Figure 5-21 Trunk Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-28Figure 5-22 Trunk Rate Limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-29Figure 5-23...

1-1 C HAPTER 1 A BOUT THE EZ S WITCH 10/100/1000 Overview SMC’s EZ Switch 10/100/1000 SMCGS24C-Smart is a web managed switch with 24 10/100/1000BASE-T ports, four of which are combination ports * that are shared with four SFP transceiver slots (see Figure 1-1, Ports 21-24). Figure 1-1 Front Panel Fi...

A BOUT THE EZ S WITCH 10/100/1000 1-2 Switch Architecture The switch employs a wire-speed, non-blocking switching fabric. This permits simultaneous wire-speed transport of multiple packets at low latency on all ports. The switch also features full-duplex capability on all ports, which effectively do...

D ESCRIPTION OF H ARDWARE 1-3 Description of Hardware 10/100/1000BASE-T Ports The switch contains 24 RJ-45 ports that operate at 10 Mbps or 100 Mbps, half or full duplex, or at 1000 Mbps, full duplex. Because all ports on the switch support automatic MDI/MDI-X operation, you can use straight-through...

A BOUT THE EZ S WITCH 10/100/1000 1-4 Figure 1-3 Port LEDs and Power LED Table 1-1 Port Status LEDs LED Condition Status Gigabit Ethernet Ports (Ports 1-24) Link/Act (Link/Activity) On/Flashing Green Port has established a valid network connection. Flashing indicates activity. Off There is no valid ...

F EATURES AND B ENEFITS 1-5 Power Supply Socket The power socket is located on the rear panel of the switch. The standard power socket is for the AC power cord. Figure 1-4 Power Supply Socket Features and Benefits Connectivity • 24 10/100/1000 Mbps ports for easy Gigabit Ethernet integration and for...

A BOUT THE EZ S WITCH 10/100/1000 1-6 Expandability • 4 Small Form Factor Pluggable (SFP) transceiver slots (shared with 1000BASE-T ports) • Supports 1000BASE-SX, 1000BASE-LX and 1000BASE-LH SFP transceivers. Performance • Transparent bridging. • Provides store-and-forward switching • Supports Jumbo...

2-1 C HAPTER 2 N ETWORK P LANNING 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. Switches have, therefore, been recognized as one of the m...

N ETWORK P LANNING 2-2 Application Examples The EZ Switch 10/100/1000 is not only designed to segment your network, but also to provide a wide range of options in setting up network connections. Some typical applications are described below. Collapsed Backbone The EZ Switch 10/100/1000 is an excelle...

A PPLICATION E XAMPLES 2-3 Central Wiring Closet With 24 parallel bridging ports (i.e., 24 distinct collision domains), this switch can collapse a complex network down into a single efficient bridged node, increasing overall bandwidth and throughput. In the figure below, the 1000BASE-T RJ-45 ports o...

N ETWORK P LANNING 2-4 Remote Connections with Fiber Cable Fiber optic technology allows for longer cabling than any other media type. A 1000BASE-SX (MMF) link can connect to a site up to 550 meters away, a 1000BASE-LX (SMF) link up to 5 km, and a 1000BASE-ZX link up to 100 km. This allows a switch ...

A PPLICATION E XAMPLES 2-5 Making VLAN Connections The switch supports VLANs that can be used to organize any group of network nodes into separate broadcast domains. VLANs confine broadcast traffic to the originating group, and can eliminate broadcast storms in large networks. This provides a more s...

N ETWORK P LANNING 2-6 Application Notes 1. 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. 2. For network applications th...

3-1 C HAPTER 3 I NSTALLING THE S WITCH Selecting a Site EZ Switch 10/100/1000 units can be mounted in a standard 19-inch equipment rack or on a flat surface. Be sure to follow the guidelines below when choosing a location. • The site should: - be at the center of all the devices you want to link and...

I NSTALLING THE S WITCH 3-2 Ethernet Cabling To ensure proper operation when installing the switches into a network, make sure that the current cables are suitable for 10BASE-T, 100BASE-TX or 1000BASE-T operation. Check the following criteria against the current installation of your network: • Cable...

E QUIPMENT C HECKLIST 3-3 Equipment Checklist After unpacking the EZ Switch 10/100/1000 unit, check the contents to be sure you have received all the components. Then, before beginning the installation, be sure you have all other necessary installation equipment. Package Contents • EZ Switch 10/100/...

I NSTALLING THE S WITCH 3-4 Rack Mounting Before rack mounting the switch, pay particular attention to the following factors: • Temperature: Since the temperature within a rack assembly may be higher than the ambient room temperature, check that the rack-environment temperature is within the specifi...

M OUNTING 3-5 To rack-mount devices: 1. Attach the brackets to the device using the screws provided in the Bracket Mounting Kit. Figure 3-2 Attaching the Brackets 2. Mount the device in the rack, using four rack-mounting screws (not provided). Figure 3-3 Installing the Switch in a Rack 21 22 23 24

I NSTALLING THE S WITCH 3-6 3. If installing a single switch only, turn to “Connecting to a Power Source” at the end of this chapter. 4. If installing multiple switches, mount them in the rack, one below the other, in any order. Desktop or Shelf Mounting 1. Attach the four adhesive feet to the botto...

I NSTALLING AN SFP T RANSCEIVER 3-7 Installing an SFP Transceiver Figure 3-5 Inserting an SFP Transceiver into a Slot The switch supports the following optional transceivers:• 1000BASE-SX (SMCBGSLCX1) • 1000BASE-LX (SMCBGLLCX1 • 1000BASE-ZX (SMCBGZLCX1) To install an SFP transceiver, do the followin...

I NSTALLING THE S WITCH 3-8 Connecting to a Power Source To connect a device to a power source: 1. Insert the power cable plug directly into the socket located at the back of the device. Figure 3-6 Power Socket 2. Plug the other end of the cable into a grounded, 3-pin, AC power source. Note: For int...

4-1 C HAPTER 4 M AKING N ETWORK C ONNECTIONS Connecting Network Devices The EZ Switch 10/100/1000 units are designed to interconnect multiple segments (or collision domains). It can be connected to network cards in PCs and servers, as well as to hubs, switches or routers. It may also be connected to...

M AKING N ETWORK C ONNECTIONS 4-2 Connecting to PCs, Servers, Hubs and Switches 1. Attach one end of a twisted-pair cable segment to the device’s RJ-45 connector. Figure 4-1 Making Twisted-Pair Connections 2. If the device is a PC card and the switch is in the wiring closet, attach the other end of ...

T WISTED -P AIR D EVICES 4-3 Network Wiring Connections Today, the punch-down block is an integral part of many of the newer equipment racks. It is actually part of the patch panel. Instructions for making connections in the wiring closet with this type of equipment follows. 1. Attach one end of a p...

M AKING N ETWORK C ONNECTIONS 4-4 Fiber Optic SFP Devices An optional Gigabit SFP transceiver (1000BASE-SX, 1000BASE-LX or 1000BASE-ZX) can be used for a backbone connection between switches, or for connecting to a high-speed server. Each single-mode fiber port requires 9/125 micron single-mode fibe...

F IBER O PTIC SFP D EVICES 4-5 3. Connect one end of the cable to the LC port on the switch and the other end to the LC port on the other device. Since LC connectors are keyed, the cable can be attached in only one orientation. Figure 4-3 Making Connections to SFP Transceivers 4. As a connection is ...

M AKING N ETWORK C ONNECTIONS 4-6 Connectivity Rules When adding hubs (repeaters) to your network, please follow the connectivity rules listed in the manuals for these products. However, note that because switches break up the path for connected devices into separate collision domains, you should no...

C ONNECTIVITY R ULES 4-7 100 Mbps Fast Ethernet Collision Domain 10 Mbps Ethernet Collision Domain Table 4-3 Maximum 1000BASE-LX Fiber Optic Cable Length Fiber Diameter Fiber Bandwidth Cable Length Range Connector 9/125 micron single-mode fiber N/A 2 m - 5 km (7 ft - 3.2 miles) LC Table 4-4 Maximum ...

M AKING N ETWORK C ONNECTIONS 4-8 Cable Labeling and Connection Records When planning a network installation, it is essential to label the opposing ends of cables and to record where each cable is connected. Doing so will enable you to easily locate inter-connected devices, isolate faults and change...

5-1 C HAPTER 5 C ONFIGURING THE S WITCH Using the Web Interface This switch provides an embedded HTTP web agent. Using a web browser you can configure the switch and view statistics to monitor network activity. The web agent can be accessed by any computer on the network using a standard web browser...

C ONFIGURING THE S WITCH 5-2 Navigating the Web Browser Interface To access the web-browser interface you must first enter a password. The user has read/write access to all configuration parameters and statistics. The default password for the switch is “smcadmin.” Note: If user input is not detected...

N AVIGATING THE W EB B ROWSER I NTERFACE 5-3 Configuration Options Configurable parameters have a dialog box or a drop-down list. Once a configuration change has been made on a page, be sure to click on the Apply button to confirm the new setting. The following table summarizes the web page configur...

C ONFIGURING THE S WITCH 5-4 Main Menu Using the onboard web agent, you can define system parameters, manage and control the switch, and all its ports, or monitor network conditions. The following table briefly describes the selections available from the web-browser interface. Table 5-2 Switch Main ...

N AVIGATING THE W EB B ROWSER I NTERFACE 5-5 PORTS 5-21 Settings Configure the speed and duplex mode of the port. 5-21 Rate Limiting Sets the rate limiting parameters for ports. 5-22 Storm Control Sets the broadcast storm control parameters. 5-24 Port Mirroring Sets up the port mirroring features of...

C ONFIGURING THE S WITCH 5-6 Web Configuration Displaying Status Overview You can easily identify the system by displaying the device name, location and contact information. Field Attributes System Information • System Name – Name assigned to the switch system. • Number of Ports – Number of built-in...

W EB C ONFIGURATION 5-7 • Speed/Duplex Status – Shows the current speed and duplex mode. • 10hdx : 10 Mbps half duplex. • 10fdx : 10 Mbps full duplex. • 100hdx : 100 Mbps half duplex. • 100fdx : 100 Mbps full duplex. • 1000fdx : 1000 Mbps full duplex. • Flow Control Status – Indicates whether flow c...

C ONFIGURING THE S WITCH 5-8 Web – Click STATUS, Overview. Figure 5-3 Switch Information

W EB C ONFIGURATION 5-9 Showing Port Statistics You can display statistics on network traffic from the ports. These statistics can be used to identify potential problems with the switch (such as a faulty port or unusually heavy loading). All values displayed have been accumulated since the last syst...

C ONFIGURING THE S WITCH 5-12 Web – Click STATUS, Statistics. Figure 5-4 Port Statistics Displaying System Name You can easily identify the system by displaying the device name. Field Attributes • Switch Name – Name assigned to the switch system.

W EB C ONFIGURATION 5-13 Web – Click System, Name. Figure 5-5 System Name Setting the Switch’s IP Address This section describes how to configure an IP interface for management access over the network. The IP address for this switch is 192.168.2.10 by default. To manually configure an address, you n...

C ONFIGURING THE S WITCH 5-14 Manual Configuration Web – Click System, LAN Settings. Enter the IP address, subnet mask and gateway, then click APPLY. Note that if you change the switch IP address, you must close the web interface and start a new session using the new IP address. Figure 5-6 LAN Setti...

W EB C ONFIGURATION 5-15 Web – Click System, Password. To change the password for the administrator, enter current password, the new password, confirm it by entering it again, then click APPLY. Figure 5-7 Password Settings Tools On the Tools page, you can restore the switch to default settings, upgr...

W EB C ONFIGURATION 5-17 Upload/Download ConfigurationWeb – Click SYSTEM, Tools, Upload/Download Configuration. To upload or download the configuration file, select "Upload/Download Configuration" from the Tools drop-down list, then click "Upload" or "Download", and then clic...

C ONFIGURING THE S WITCH 5-18 Register Product SMC request that you register your switch online, if you have not already done so. The Register Product page provides a convenient link to the SMC web site for this purpose. Web – Click System, Register Product. Click the Register Now button to access t...

W EB C ONFIGURATION 5-19 Static MAC Address Configuration This table shows the stored static MAC entries in MAC table. Web – Click System, Static MAC. Enter the MAC address, VLAN ID, then click ADD button to add a new static MAC address. Figure 5-13 Static MAC Address Configuration Counter Config Th...

W EB C ONFIGURATION 5-21 Port Configuration You can use the Port Configuration page to manually fix the speed, duplex mode, and flow control. Field Attributes • Speed/Duplex – Allows you to manually set the port speed and duplex mode. • Flow Control – Allows flow control to be enabled or disabled. W...

C ONFIGURING THE S WITCH 5-22 Configuring Rate Limits This function allows the network manager to control the maximum rate for traffic transmitted or received on an interface. Rate limiting is configured on interfaces at the edge of a network to limit traffic into or out of the switch. Traffic that ...

W EB C ONFIGURATION 5-23 Web – Click PORTS, Rate Limiting. This page enables you to set the rate limiting parameters for each port on the switch. Figure 5-16 Rate Limiting

C ONFIGURING THE S WITCH 5-24 Storm Control Broadcast storms may occur when a device on your network is malfunctioning, or if application programs are not well designed or properly configured. If there is too much broadcast traffic on your network, performance can be severely degraded or everything ...

W EB C ONFIGURATION 5-25 Web – Click PORTS, Storm Control. This page enables you to set the broadcast storm control parameters for every port on the switch. Figure 5-17 Port Broadcast Control Port Mirroring You can mirror traffic from any source port to a target port for real-time analysis. You can ...

C ONFIGURING THE S WITCH 5-26 Note: If the total ingress bandwidth exceeds the mirror port’s egress bandwidth, packets will eventually be dropped on ingress to the switch, which means they will not reach the mirror port or their intended destination port. Input rate-limiting in conjunction with port...

W EB C ONFIGURATION 5-27 • Cable Status – Shows the cable length, operating conditions and isolates a variety of common faults that can occur on Category 5 twisted pair cabling. Web – Click PORTS, Cable Diagnostics. Figure 5-19 Cable Diagnostics Trunks Membership This page allows you to create a max...

C ONFIGURING THE S WITCH 5-28 • Trunk T1-T8 – These columns correspond to the eight trunks that are supported by the switch. To assign a port to a trunk, click on the radio button in the corresponding column, then click APPLY. Web – Click TRUNKS, Membership. To assign a port to a trunk, click the re...

W EB C ONFIGURATION 5-29 • Flow Control – Allows flow control to be enabled or disabled. When the box is checked, flow control is enabled. • Ports – Indicates which ports belong to the trunk. Web – Click TRUNKS, Settings. Figure 5-21 Trunk Configuration Trunk Rate Limit This page allows you to chang...

C ONFIGURING THE S WITCH 5-30 Web – Click TRUNKS, Rate Limiting. Figure 5-22 Trunk Rate Limiting VLAN Settings This page allows you to create and delete VLANs (Virtual LANs) and to change the VLAN membership and behaviour of individual ports. VLANs are powerful, but can be difficult to set up proper...

W EB C ONFIGURATION 5-31 In the default configuration, any port is able to send traffic to any other port and a PC connected to any port will be able to access the management interface. Broadcast traffic, for example, will be flooded to all ports on the switch. There are three different parameters t...

C ONFIGURING THE S WITCH 5-32 Note: QinQ “customer” ports are those ports that are connected to normal VLAN aware switches in the customer’s network. QinQ “network” ports are those which are connected to the service provider's network. To tunnel packets through a service provider’s metro network, Qi...

W EB C ONFIGURATION 5-33 Web – Click VLANS, VLAN Port Configuration. Fill in the required settings for each interface, click Apply. Figure 5-23 VLAN Settings QOS Settings QoS (Quality of Service) is a mechanism that is used to prioritize certain traffic as it is forward through the switch. Traffic c...

C ONFIGURING THE S WITCH 5-34 802.1p Packets are prioritzed using the content of the VLAN-tag. The 802.1p field is held within the VLAN-tag of a packet. The field is three bits long so can hold eight values; 0 - 7 inclusive. When QoS Mode is set to 802.1p, the 802.1p Configuration table appears whic...

W EB C ONFIGURATION 5-35 Web – Click QOS, Settings. In QoS Mode, select QoS Diabled, 802.1p, or DSCP to configure the related parameters. Figure 5-24 QoS Settings Security IP Filter On this page, you can set up a source IP Filter on all or some ports. It is used to block unwanted access and provide ...

W EB C ONFIGURATION 5-37 Port Security Port security is a feature that allows you to configure a port with one or more MAC addresses that are authorized to access the network through that port. The Port Security table has one row for each port and five columns. When port security is enabled on a por...

W EB C ONFIGURATION 5-39 ACL This page enables you to set up a management access filter on the switch. With the Management Access Filter Configuration table, you can create a list of up to 8 IP addresses or IP address groups that are allowed management access to the switch through the web interface ...

C ONFIGURING THE S WITCH 5-40 IGMP Snoop The switch can use Internet Group Management Protocol (IGMP) to filter multicast traffic. IGMP Snooping monitors IGMP service requests passing between multicast clients and servers, and dynamically configures the ports which need to recieve the mulitcast traf...

A-1 A PPENDIX A T ROUBLESHOOTING Diagnosing Switch Indicators Table A-1 Troubleshooting Chart Symptom Action Power LED is Off • Check connections between the switch, the power cord, and the wall outlet. • Contact your dealer for assistance. • Contact SMC Technical Support. Link LED is Off • Verify t...

T ROUBLESHOOTING A-2 Power and Cooling Problems If the power indicator does not turn on when the power cord is plugged in, you may have a problem with the power outlet, power cord, or internal power supply. However, if the unit powers off after running for a while, check for loose power connections,...

B-1 A PPENDIX B C ABLES Twisted-Pair Cable and Pin Assignments For 10BASE-T/100BASE-TX connections, a twisted-pair cable must have two pairs of wires. For 1000BASE-T connections the twisted-pair cable must have four pairs of wires. Each wire pair is identified by two different colors. For example, o...

C ABLES B-2 10BASE-T/100BASE-TX Pin Assignments Use unshielded twisted-pair (UTP) or shielded twisted-pair (STP) cable for RJ-45 connections: 100-ohm Category 3 or better cable for 10 Mbps connections, or 100-ohm Category 5 or better cable for 100 Mbps connections. Also be sure that the length of an...

T WISTED -P AIR C ABLE AND P IN A SSIGNMENTS B-3 Straight-Through Wiring If the twisted-pair cable is to join two ports and only one of the ports has an internal crossover (MDI-X), the two pairs of wires must be straight-through. (When auto-negotiation is enabled for any RJ-45 port on the switch, yo...

C ABLES B-4 Crossover Wiring If the twisted-pair cable is to join two ports and either both ports are labeled with an “X” (indicating MDI-X) or neither port is labeled with an “X” (which indicates MDI), a crossover must be implemented in the wiring. (When auto-negotiation is enabled for any RJ-45 po...

C ABLES B-6 Note that when testing your cable installation, be sure to include all patch cables between switches and end devices. 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 basica...

C-1 A PPENDIX C S PECIFICATIONS Physical Characteristics Ports 20 10/100/1000BASE-T, with auto-negotiation4 10/100/1000BASE-T shared with 4 SFP transceiver slots. Network Interface Ports 1-24: RJ-45 connector, auto MDI/X 10BASE-T: RJ-45 (100-ohm, UTP cable; Category 3 or better)100BASE-TX: RJ-45 (10...

S PECIFICATIONS C-2 Size 44.0 x 17.1 x 4.3 cm (17.0 x 6.7 x 1.7 in.) Temperature Operating: 0 to 40 °C (32 to 104 °F)Storage: -40 to 70 °C (-40 to 158 °F) Humidity Operating: 10% to 90% (non-condensing) AC Input 100 to 240 V, 50-60 Hz, 0.8 A Power Supply Internal, auto-ranging transformer: 100 to 24...

S TANDARDS C-3 Software Loading HTTP in-band Standards IEEE 802.3-2005 Ethernet, Fast Ethernet, Gigabit Ethernet IEEE 802.1Q Virtual LANIEEE 802.1X, Port-Based Network Access Control, 2001 ISO/IEC 8802-3 Compliances CE Mark Emissions FCC Class AVCCI Class A Immunity EN 61000-4-2/3/4/5/6/8/11 Safety ...

D-1 A PPENDIX D O RDERING I NFORMATION Table D-1 EZ Switch 10/100/1000 Products and Accessories Product Number Description SMCGS24C-Smart 24 port 10/100/1000 Smart Switch SMC1GSFP-SX 1-port 1000BASE-SX Small Form Pluggable (SFP)mini-GBIC transceiver SMC1GSFP-LX 1-port 1000BASE-LX Small Form Pluggabl...

Glossary-1 G LOSSARY 10BASE-T IEEE 802.3 specification for 10 Mbps Ethernet over two pairs of Category 3 or better UTP cable. 100BASE-TX IEEE 802.3u specification for 100 Mbps Fast Ethernet over two pairs of Category 5 or better UTP cable. 1000BASE-LX IEEE 802.3z specification for Gigabit Ethernet o...

G LOSSAR Y Glossary-3 Full Duplex Transmission method that allows two network devices to transmit and receive concurrently, effectively doubling the bandwidth of that link. Gigabit Ethernet A 1000 Mbps network communication system based on Ethernet and the CSMA/CD access method. IEEE Institute of El...

G LOSSAR Y Glossary-4 Layer 2 Data Link layer in the ISO 7-Layer Data Communications Protocol. This is related directly to the hardware interface for network devices and passes on traffic based on MAC addresses. LED Light emitting diode used for monitoring a device or network condition. Link Segment...

G LOSSAR Y Glossary-5 Redundant Power Supply (RPS) A backup power supply unit that automatically takes over in case the primary power supply should fail. RJ-45 Connector A connector for twisted-pair wiring. Switched Ports Ports that are on separate collision domains or LAN segments. TIA Telecommunic...

Index-1 Numerics 10 Mbps connectivity rules 4-7100 Mbps connectivity rules 4-71000 Mbps connectivity rules 4-61000BASE-LX fiber cable lengths 4-71000BASE-SX fiber cable lengths 4-61000BASE-T pin assignments B-5ports 1-3 1000BASE-ZX fiber cable lengths 4-7100BASE-TX cable lengths 4-7ports 1-3 10BASE-...