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[. . . ] 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. 1, Creation Road III, Hsinchu Science Park, 30077, Taiwan, R. O. C. TEL: +886 3 5770270 Fax: +886 3 5780764
December 2011 150200000312A SMC-IG-1211-01
Information furnished by SMC Networks, Inc. (SMC) is believed to be accurate and reliable. [. . . ] 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.
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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.
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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. This provides a more secure and cleaner network environment. 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.
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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.
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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.
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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.
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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
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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. [. . . ] However, if the unit powers off after running for a while, check for loose power connections, power losses, or surges at the power outlet. If you still cannot isolate the problem, the internal power supply may be defective.
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Installation
APPENDIX A | Troubleshooting
INSTALLATION
Verify that all system components have been properly installed. If one or more components appear to be malfunctioning (such as the power cord or network cabling), test them in an alternate environment where you are sure that all the other components are functioning properly.
IN-BAND ACCESS
You can access the management agent in the switch from anywhere within the attached network using a web browser, or other network management software tools. However, you must first configure the switch with a valid IP address, subnet mask, and default gateway. [. . . ]
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