User manual SMC SMCGS10C-SMART

[. . . ] INSTALLATION GUIDE EZ SwitchTM 10/100/1000 Web Smart 10-Port Gigabit Ethernet Switch SMCGS10C-Smart EZ SwitchTM 10/100/1000 Installation Guide From SMC's EZ line of low-cost workgroup LAN solutions No. TEL: +886 3 5770270 Fax: +886 3 5780764 December 2011 150200000312A SMC-IG-1211-01 Information furnished by SMC Networks, Inc. However, no responsibility is assumed by SMC for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SMC. [. . . ] In the figure below, the switch is operating as a collapsed backbone for a small LAN. It is providing dedicated 100 Mbps full-duplex connections to workstations and 1000 Mbps full-duplex connections to power users, and 1000 Mbps fullduplex connections to servers. Figure 7: Collapsed Backbone Workstations 100 Mbps Full Duplex Workstations 1000 Mbps Full Duplex Servers 1000 Mbps Full Duplex NETWORK AGGREGATION PLAN With 10 parallel bridging ports (i. e. , 10 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 10/100/1000BASE-T ports on the switch are providing 1000 Mbps connectivity for up to eight segments, while the 1000BASE-SFP ports are providing connectivity for two Gigabit segments. ­ 29 ­ CHAPTER 2 | Network Planning Application Examples Figure 8: Network Aggregation Plan 1000 Mbps Segments 10/100/1000 Mbps Segments . . . . . . Server Farm 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 10 km, a 1000BASE-LH link up to 80 km, and a 100BASE-FX (SMF) link up to 20 km. This allows the switch to serve as a collapsed backbone, providing direct connectivity for a widespread LAN. The figure below illustrates the switch connecting multiple segments with fiber cable. ­ 30 ­ CHAPTER 2 | Network Planning Application Examples Figure 9: Remote Connections with Fiber Cable Headquarters Server Farm Remote Switch 1000BASE-SX MMF (550 meters) 1000BASE-LX SMF (10 kilometers) Remote Switch 10/100/1000 Mbps Segments . . . . . . MAKING VLAN CONNECTIONS This switch supports VLANs which 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. VLANs can be based on untagged port groups, or traffic can be explicitly tagged to identify the VLAN group to which it belongs. Untagged VLANs can be used for small networks attached to a single switch. However, tagged VLANs should be used for larger networks, and all the VLANs assigned to the inter-switch links. ­ 31 ­ CHAPTER 2 | Network Planning Application Notes Figure 10: Making VLAN Connections R&D VLAN 1 Tagged Ports Untagged Ports VLAN unaware switch Tagged Port Finance VLAN 2 Testing Marketing Finance R&D VLAN aware switch Testing VLAN 3 VLAN 4 VLAN 3 VLAN 1 VLAN 2 NOTE: When connecting to a switch that does not support IEEE 802. 1Q VLAN tags, use untagged ports. 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. Avoid using flow control on a port connected to a hub unless it is actually required to solve a problem. Otherwise back pressure jamming signals may degrade overall performance for the segment attached to the hub. 3. As a general rule the length of fiber optic cable for a single switched link should not exceed: 1000BASE-SX: 550 m (1805 ft) for multimode fiber. 1000BASE-LX: 10 km (6. 2 miles) for single-mode fiber. ­ 32 ­ CHAPTER 2 | Network Planning Application Notes 1000BASE-LH: 80 km (50 miles) for single-mode fiber. 100BASE-FX: 20 km (12 miles) for single-mode fiber. However, power budget constraints must also be considered when calculating the maximum cable length for your specific environment. ­ 33 ­ 3 INSTALLING THE SWITCH This chapter describes how to install the switch. SELECTING A SITE The site should: be at the center of all the devices you want to link and near a power outlet. be able to maintain its temperature within 0 to 50 °C (32 to 122 °F) and its humidity within 10% to 90%, non-condensing provide adequate space (approximately two inches) on all sides for proper air flow be accessible for installing, cabling and maintaining the devices allow the status LEDs to be clearly visible Make sure twisted-pair cable is always routed away from power lines, fluorescent lighting fixtures and other sources of electrical interference, such as radios and transmitters. Make sure that the unit is connected to a separate grounded power outlet that provides 100 to 240 VAC, 50 to 60 Hz, is within 2 m (6. 6 feet) of each device and is powered from an independent circuit breaker. As with any equipment, using a filter or surge suppressor is recommended. ­ 34 ­ CHAPTER 3 | Installing the Switch Ethernet Cabling ETHERNET CABLING To ensure proper operation when installing the switch 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 type: Unshielded twisted pair (UTP) or shielded twisted pair (STP) cables with RJ-45 connectors; Category 3 or better for 10BASE-T, Category 5 or better for 100BASE-TX, and Category 5, 5e, or 6 for 1000BASE-T. Protection from radio frequency interference emissions Electrical surge suppression Separation of electrical wires (switch related or other) and electromagnetic fields from data based network wiring Safe connections with no damaged cables, connectors or shields Figure 11: RJ-45 Connections RJ-45 Connector ­ 35 ­ CHAPTER 3 | Installing the Switch Equipment Checklist EQUIPMENT CHECKLIST After unpacking this switch, check the contents to be sure you have received all the components. [. . . ] Verify that the proper cable type is used and its length does not exceed specified limits. Check the adapter on the attached device and cable connections for possible defects. Replace the defective adapter or cable if necessary. Diag LED is Flashing Amber Link LED is Off 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, power losses, or surges at the power outlet. [. . . ]