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Troubleshooting

5-1

 

Chapter 5

Troubleshooting

This chapter provides information about troubleshooting the Model FS562/FS566 switch. 

Table 5-1

 lists symptoms, causes, and solutions of possible problems.

Table 5-1.

Troubleshooting Information

Symptom

Cause

Solution

Power LED is off.

No power is received at 
the hub.

Check the power cord connections for the switch 
and the connected device.
Check for a defective adapter card, cable, or port by 
testing them in an alternate environment where all 
products are functioning.
Make sure all cables used are correct and comply 
with Ethernet specifications. 

Either 10M or 100M Link 
LED is off or intermittent.

Port connection is not 
functioning.

Check the crimp on the RJ-45 connectors and make 
sure that the plug is properly inserted and locked 
into the port at both the switch and the connecting 
device.
Make sure all cables used are correct and comply 
with Ethernet specifications.

File transfer is slow or 
performance degradation 
is a problem.

Half- or full-duplex setting 
on the NETGEAR switch 
and the connected device 
are not the same.

Make sure the 10/100 Mbps port is set to 
auto-duplex (AUTO) mode when connecting the 
switch to a repeater or hub. For instructions on 
setting the duplex toggle switches, refer to 
“Connecting Devices to the Switch” on page 4-4.

Summary of Contents for FS562

Page 1: ...Installation Guide for the Model FS562 and Model FS566 Fiber Switches M FS560NA 0 November 1998 NETGEAR Inc A Bay Networks Company 4401 Great America Parkway Santa Clara CA 95054 USA Phone 888 NETGEAR ...

Page 2: ...of this equipment on the market and has been granted the right to test the series for compliance with the regulations Federal Communications Commission FCC Compliance Notice Radio Frequency Notice Note 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 agains...

Page 3: ...uct based on the standard of the Voluntary Control Council for Interference by Information Technology Equipment VCCI If this equipment is used in a domestic environment radio disturbance may arise When such trouble occurs the user may be required to take corrective action Canadian Department of Communications Radio Interference Regulations This digital apparatus Model FS562 Fiber Switch and Model ...

Page 4: ...se representative Defective or damaged merchandise can be returned to your point of sale representative Internet World Wide Web NETGEAR maintains a World Wide Web home page that you can access at the universal resource locator URL http NETGEAR baynetworks com A direct connection to the Internet and a Web browser such as Internet Explorer or Netscape are required ...

Page 5: ...sical Description Front Panel 2 1 Fast Ethernet Ports 2 3 100BASE FX Fiber Ports 2 4 Normal Uplink Push Button 2 4 LEDs 2 5 Rear Panel 2 7 FDX HDX Duplex Toggle Switches 2 8 FDX AUTO Duplex Toggle Switches 2 8 Chapter 3 Applications Desktop Switching 3 2 Segment Switching 3 3 Extending a Network 3 4 Bridging from 10BASE T to 100BASE TX Networks 3 5 High Bandwidth File Servers 3 6 ...

Page 6: ...work Adapter Cards 5 2 Configuration 5 2 Switch Integrity 5 2 Appendix A Technical Specifications General Specifications A 1 Appendix B Connector Pin Assignments RJ 45 Plug and Vista RJ 45 Connector B 1 Duplex SC Plug and Duplex SC Connector B 2 Appendix C Cabling Guidelines Fast Ethernet Cable Guidelines C 1 Category 5 Cable Lengths C 2 Category 5 Cable Specifications C 2 Twisted Pair Cables C 3 ...

Page 7: ...nd Model FS566 Switches Used as Segment Switches 3 3 Figure 3 3 Using the Model FS562 and Model FS566 Switches for Extension 3 4 Figure 3 4 Bridging 10 Mbps Networks to 100 Mbps Networks 3 5 Figure 3 5 High Bandwidth File Server Connection 3 6 Figure 4 1 Attaching Mounting Brackets to the Model FS562 FS566 Switch 4 3 Figure B 1 RJ 45 Plug and Vista RJ 45 Connector with Built In LEDs B 1 Figure B 2...

Page 8: ...viii Figures ...

Page 9: ...iptions 2 6 Table 5 1 Troubleshooting Information 5 1 Table B 1 RJ 45 Plug and Vista RJ 45 Connector Pin Assignments B 2 Table C 1 Electrical Requirements of Category 5 Cable C 2 Table C 2 Electrical Requirements of Fiber Optic Cable C 5 ...

Page 10: ...x Tables ...

Page 11: ...n shared network technology With this technology a number of users or groups of users share a total available network bandwidth or network capacity of 10 Mbps 100 Mbps or other amounts of network bandwidth For example with a total of 10 users the average bandwidth available to each user on a 10 Mbps network is calculated as 10 10 Mbps which equals 1 Mbps of bandwidth per user On a 100 Mbps Fast Et...

Page 12: ...ment switch in contrast is designed to support an entire workgroup on each port with each port having significant memory buffering and supporting thousands of MAC addresses Switches can also be classified by speed As the name suggests 10 Mbps switches support only 10 Mbps connections Similarly 100 Mbps switches support only 100 Mbps connections Usually 10 100 Mbps switches have primarily 10 Mbps p...

Page 13: ...used to join these 200 meter segments to enable them to function as a single logical network With one Model FS562 FS566 switch the reach extends to 400 meters With two switches the reach extends to 2 kilometers km when both switches are operating at full duplex For an illustration of using the switch to extend a network refer to Figure 3 3 on page 3 4 Because the Model FS562 FS566 switch is an ISO...

Page 14: ...ackets on the network Minimum latency of packet transmission leading edge to leading edge less than 80 Ps Easy plug and play installation with no software to configure which saves time and minimizes the potential for configuration errors Normal Uplink push button to simplify network extension The switch can be connected to a hub using a simple straight through cable Protocol independence and compa...

Page 15: ...X LEDs for ports 1 fiber 3 4 and 5 UTP 3 FDX COL LEDs for ports 1 fiber 3 4 and 5 UTP 4 FDX COL LEDs for ports 2 fiber 6 7 and 8 UTP 5 RX TX LEDs for ports 2 fiber 6 7 and 8 UTP 6 100 Mbps fiber ports 1 and 2 with 100M Link LEDs next to each port 7 10 100 Mbps UTP ports with 10M or 100M Link LEDs on each port 8 Normal Uplink push button for port 8 Figure 2 1 Front Panel of the Model FS562 Switch N...

Page 16: ... 3 fiber and ports 7 8 and 9 UTP 3 FDX COL LEDs for ports 1 2 and 3 fiber and ports 7 8 and 9 UTP 4 FDX COL LEDs for ports 4 5 and 6 fiber and ports 10 11 and 12 UTP 5 RX TX LEDs for ports 4 5 and 6 fiber and ports 10 11 and 12 UTP 6 100 Mbps fiber ports 1 through 6 with 100M Link LEDs next to each port 7 10 100 Mbps UTP ports with 10M or 100M Link LEDs on each port 8 Normal Uplink push button for...

Page 17: ... 100 Mbps ports support only unshielded twisted pair UTP cable using an 8 pin RJ 45 plug Each of the 10 100 Mbps ports uses vista RJ 45 connectors that have built in LEDs as illustrated in Figure 2 3 The LEDs as described in Table 2 1 on page 2 6 indicate that the connection to the port is valid and that the port is operating at either 10 or 100 Mbps For further information about the vista RJ 45 c...

Page 18: ...ASE FX Fiber Connection Normal Uplink Push Button The Normal Uplink push button on the front panel of the switch as illustrated in Figure 2 1 allows you to select uplink MDI or normal MDI X wiring for port 8 on the Model FS562 Fiber Switch or port 12 on the Model FS566 Fiber Switch This port is configured for normal wiring to connect to a PC when the push button is in the out position When the pus...

Page 19: ... two vista LEDs on each RJ 45 connector allow you to identify the following information Status of the switch power supply For each 10 100 Ethernet port Network link at 10 Mbps or 100 Mbps Data transmission or receive activity Collision occurrence Full duplex or half duplex mode For each fiber port Link status fiber ports operate only at 100 Mbps ...

Page 20: ...g on the port when operating in half duplex mode RX TX Green Blinking Packet transmission or reception is occurring on the port The blinking action corresponds to the number of packets that are transmitted or received Off No packet transmission or reception is occurring on the port Link located to the right of each fiber connector Green On A valid 100 Mbps link is established on the port Off No li...

Page 21: ...ear Panel of the Model FS562 Switch Key 1 FDX and HDX duplex toggle switches 2 FDX and AUTO duplex toggle switches 3 Fans 4 AC power outlet Figure 2 6 Rear Panel of the Model FS566 Switch 100 240 VAC 50 60 Hz 0 35A 8884FA AUTO FDX HDX Enable port to determine duplex mode automatically Force port to operate at Full Duplex Force port to operate at Half Duplex FDX AUTO Fiber 1 6 FDX AUTO 10 100 Mbps ...

Page 22: ...the 10 100 Mbps port enables the port to determine duplex mode automatically In this mode the 10 100 Mbps port operates in either full or half duplex mode depending on the operating mode of the remote port If the remote port cannot provide the proper signal to indicate its own capability the 10 100 Mbps port on the switch will default to half duplex mode Because repeaters and hubs use a common col...

Page 23: ...Each switch can be used as a standalone device or can be used with 10 Mbps or 100 Mbps hubs or other interconnection devices in various configurations The configuration examples in this chapter illustrate the integration of the Model FS562 Fiber Switch and the Model FS566 Fiber Switch in network environments of all sizes and types These examples include a network of a few workstations connected to...

Page 24: ...sed in this manner Key 1 Server with 100 Mbps connection 2 Model FS562 Fiber Switch Normal Uplink push button set to Normal position 3 PCs with 100 Mbps Fast Ethernet adapter cards installed 4 PC with 10 Mbps connection Figure 3 1 Using the Model FS562 Switch for Desktop Switching Note If a full duplex adapter card is installed in the server or PC a 200 Mbps connection is possible on the port wher...

Page 25: ...Model FE508 Fast Ethernet Hub Key 1 Model FS562 Fiber Switch Normal Uplink push button set to Uplink position 2 100 Mbps connection 3 Model FE508 Fast Ethernet Hub Normal Uplink push button set to Uplink position 4 Model FS566 Fast Ethernet Switch Normal Uplink push button set to Normal position 5 Servers with 100 Mbps connection 6 PCs with network adapter installed enabling 100 Mbps connection Fi...

Page 26: ...witch and a Model FS566 Fiber Switch connecting two network segments consisting of a Model FE508 Fast Ethernet Hub and a Model DS508 Dual Speed Hubs Key 1 Model FS562 Fiber Switch 2 2 km 200 Mbps full duplex fiber connection 3 Model FS566 Fiber Switch 4 100 Mbps connection with UTP cable 5 Model FE508 Fast Ethernet Hub 6 Model DS508 Dual Speed Hub 7 PCs with 100 Mbps connection 8 PCs with 10 Mbps ...

Page 27: ...Model FS562 Fiber Switch integrated with the NETGEAR Model EN516 Ethernet Hub and the NETGEAR Model FE516 Fast Ethernet Hub Key 1 Model FS562 Fiber Switch Both Normal Uplink push buttons set to Normal position 2 10 Mbps connection 3 100 Mbps connection 4 Model EN516 Ethernet Hub Normal Uplink push button set to Uplink position 5 Model FE516 Fast Ethernet Hub Normal Uplink push button set to Uplink...

Page 28: ...rvers or other heavily used devices to be available to more users Figure 3 5 illustrates the Model FS566 Fiber Switch integrated with two NETGEAR Model FE508 Fast Ethernet Hubs A full duplex configurable adapter card installed in the server provides up to 200 Mbps maximum data throughput Key 1 Model FS566 Fiber Switch Normal Uplink push button set to Normal position 2 Server with full duplex 100 M...

Page 29: ...ntents Unpack the contents of the package and verify them against the following list Model FS562 Fiber Switch or Model FS566 Fiber Switch Self adhesive rubber pads for desktop installation Rack Mount Kit for rack installation AC power cord Warranty and Owner Registration Card This installation guide Call your reseller or customer support in your area if there are any wrong missing or damaged parts...

Page 30: ...ng the Switch in a Rack Installing the Switch on a Flat Surface To install the switch on a desktop or any other flat surface 1 Install self adhesive rubber pads on the bottom of the switch Peel off the protective backing from the rubber pads and apply one at each marked location on the bottom of the switch 2 Set the switch on a desktop or any other flat surface For proper ventilation make sure tha...

Page 31: ...ting brackets to the sides of the switch as illustrated in Figure 4 1 Hold a mounting bracket against each side of the switch and align the countersunk screw holes in the bracket with the bracket mounting holes in the switch 2 Insert the screws provided in the Rack Mount Kit through each bracket and into the bracket mounting holes in the switch 3 Using a 1 Phillips screwdriver tighten the screws t...

Page 32: ...ed pair cable if the remote end of the cable is connected to an MDI wired device such as a PC a server or a router Set the Normal Uplink push button to the Uplink position and use a straight through twisted pair cable if the remote end of the cable is connected to an MDI X wired device such as a 10 Mbps or 100 Mbps hub or repeater or for backbone connection to another switch The UTP ports without ...

Page 33: ...ry setting of the duplex toggle switches is AUTO Move the toggle switch into the up position to FDX for full duplex mode The duplex switch must be set to FDX if you are connecting to legacy full duplex 100 Mbps devices that do not generate signals indicating duplex mode If the duplex switch is set to AUTO mode when connecting to legacy full duplex 100 Mbps devices the 10 100 Mbps ports will defaul...

Page 34: ......

Page 35: ...rrect and comply with Ethernet specifications Either 10M or 100M Link LED is off or intermittent Port connection is not functioning Check the crimp on the RJ 45 connectors and make sure that the plug is properly inserted and locked into the port at both the switch and the connecting device Make sure all cables used are correct and comply with Ethernet specifications File transfer is slow or perfor...

Page 36: ...en back on If the problem continues and you have completed all the preceding diagnoses contact your NETGEAR point of sale representative One or more components are malfunctioning All system components are not properly installed Test the components in an alternate environment where all other components are functioning properly A segment or device is not recognized as part of the network One or more...

Page 37: ...atibility ISO IEC 802 3i 10BASE T IEEE 802 3u 100BASE TX IEEE 802 3u 100BASE FX Data Rate 10 Mbps differential Manchester encoded IEEE 802 3 100 Mbps with 4B5B encoding and MLT 3 physical interface for 100BASE TX 100 Mbps 1300 nm fiber PMD interface for 100BASE FX Interface RJ 45 connector for 10BASE T and 100BASE TX Fast Ethernet Duplex SC connector for 100BASE FX Fast Ethernet Electrical Specifi...

Page 38: ...e humidity noncondensing Storage humidity 95 maximum relative humidity noncondensing Operating altitude 10 000 ft 3 000 m maximum Storage altitude 10 000 ft 3 000 m maximum Electromagnetic Emissions Meets requirements of CE mark commercial FCC Part 15 Subpart B Class A EN 55 022 CISPR 22 Class A VCCI Class 1 Electromagnetic Susceptibility CE mark commercial Electrostatic discharge ESD IEC 801 2 Le...

Page 39: ...mum on 10 Mbps port 148 000 frames second maximum on 100 Mbps port Frame forward rate 14 800 frames second maximum on 10 Mbps port 148 000 frames second maximum on 100 Mbps port Forwarding modes Store and forward Network latency Less than 80 microseconds for 64 byte frames in store and forward mode for 10 Mbps to 100 Mbps transmission Address database size 4 000 media access control MAC addresses ...

Page 40: ......

Page 41: ...gory 5 cabling use RJ 45 plugs The RJ 45 plug accepts 4 pair unshielded twisted pair UTP or shielded twisted pair STP 100 ohm cable and connects into the vista RJ 45 connector The vista RJ 45 connector also referred to as a 10 100 Mbps port is used to connect stations hubs and switches through UTP cable it supports 10 Mbps or 100 Mbps data transmission The RJ 45 plug and vista RJ 45 connector are ...

Page 42: ...manner to transmit and receive data The duplex SC connector and duplex SC plug are illustrated in Figure B 2 Figure B 2 Duplex SC Connector and Duplex SC Plug Connection Table B 1 RJ 45 Plug and Vista RJ 45 Connector Pin Assignments Pin Normal Assignment on Ports 1 to 16 Uplink Assignment on Port 16 1 Input Receive Data Output Transmit Data 2 Input Receive Data Output Transmit Data 3 Output Transm...

Page 43: ...ied up to 100 MHz bandwidth 100BASE TX operation uses one pair of wires for transmission and the other pair for receiving and for collision detection When installing Category 5 UTP cabling use the following guidelines to ensure that your cables perform to the following specifications Certification Make sure that your Category 5 UTP cable has completed the Underwriters Laboratories UL or Electronic...

Page 44: ... to the desktop device The patch panel and other connecting hardware must meet the requirements for 100 Mbps operation Category 5 Only 0 5 inch 1 5 cm of untwist in the wire pair is allowed at any termination point Category 5 Cable Specifications Table C 1 lists the electrical requirements of Category 5 UTP cable Table C 1 Electrical Requirements of Category 5 Cable Specification Category 5 Cable ...

Page 45: ...s called MDI or uplink ports Most repeaters and switch ports are configured as media dependent interfaces with built in crossover ports called MDI X or normal ports Figure C 1 illustrates straight through twisted pair cable Key A Uplink or MDI port as on a PC B Normal or MDI X port as on a hub or switch 1 2 3 6 Pin numbers Figure C 1 Straight Through Twisted Pair Cable Figure C 2 illustrates cross...

Page 46: ... 45 plug 2 Category 5 UTP patch cable Figure C 3 Category 5 UTP Patch Cable with Male RJ 45 Plug at Each End Fiber Optic Cables In North America use EIA 569 A horizontal 62 5 125 Pm multimode optical fiber cable ANSI EIA TIA 492AAAA Internationally use ISO IEC 11801 62 5 125 Pm multimode optical fiber cable IEC 793 2 type A1b with 1 0db km attenuation and 500 MHz km bandwidth Refer to Table C 2 fo...

Page 47: ...ectrical requirements of fiber cable Table C 2 Electrical Requirements of Fiber Optic Cable Specification Fiber Optic Cable Number of strands Two Cable type 62 5 125 Pm multimode fiber optic cable Numerical aperture 0 275 Total link budget 11 db Modal band 500 MHz km Zero dispersion wavelength 1295 to 1365 nm Dispersion slope 0 093 ps nm2 km ...

Page 48: ......

Page 49: ... 5 C 1 C 2 C 4 crossover twisted pair 4 4 C 3 fiber optic C 4 fiber specifications C 5 guidelines C 2 specifications C 2 straight through twisted pair 4 4 C 3 termination method C 1 connections to other devices 4 4 crossover twisted pair cable 4 4 C 3 customer support iv D desktop switching 1 2 3 2 duplex toggle switches 1 2 2 8 4 5 F FDX duplex toggle switches 2 7 4 5 FDX LED 2 6 features 1 3 fib...

Page 50: ...a RJ 45 connector RJ 45 plug using for patch cables C 4 S segment switching 1 2 3 3 server connections 3 6 site preparation 4 1 straight through twisted pair cable 4 4 C 3 switches duplex toggle 1 2 2 8 4 5 switches overview 1 2 switching technology desktop switching 1 2 3 2 segment switching 1 2 3 3 T technical specifications A 1 toggle switches duplex 1 2 2 8 4 5 troubleshooting 5 1 U uplink por...

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