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ROUBLESHOOTING

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T

ROUBLESHOOTING

Diagnosing Switch Indicators

1. Symptom

Power LED does not light after power on.

Probable Causes

• AC power cord may be defective.

Possible Solutions

• Check for loose connections.
• Check the power outlet by using it for another device.
• Replace the AC power cord.

2. Symptom

Link LED does not light after connection is made.

Probable Causes

• Switch port, network card or cable may be defective.

Possible Solutions

• Check that the switch and attached device are both powered on.
• Be sure the network cable is connected to both devices.
• Verify that Category 5 or better cable is used for 10/100 Mbps 

connections, Category 5 or 5e cable for 1000 Mbps connections, and 
that the length of any cable does not exceed 100 meters (328 feet).

• Check the network card and cable connections for defects.
• Replace the defective card or cable if necessary.

Содержание EZ Switch SMCGS16

Страница 1: ......

Страница 2: ......

Страница 3: ...38 Tesla Irvine CA 92618 Phone 949 679 8000 EZ Switch 10 100 1000 User Guide From SMC s EZ line of low cost workgroup LAN solutions April 2005 Pub 150000017200H R01...

Страница 4: ...rom its use No license is granted by implication or otherwise under any patent or patent rights of SMC SMC reserves the right to change specifications at any time without notice SMC Networks Inc 38 Te...

Страница 5: ...corporates these newer technologies At that point the obsolete product is discontinued and is no longer an Active SMC product A list of discontinued products with their respective dates of discontinua...

Страница 6: ...IDENT FIRE LIGHTNING OR OTHER HAZARD LIMITATION OF LIABILITY IN NO EVENT WHETHER BASED IN CONTRACT OR TORT INCLUDING NEGLIGENCE SHALL SMC BE LIABLE FOR INCIDENTAL CONSEQUENTIAL INDIRECT SPECIAL OR PUN...

Страница 7: ...eceiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help EC Conformance Declar...

Страница 8: ...1995 Contact Discharge 4 kV Air Discharge 8 kV Radio frequency electromagnetic field according to EN 61000 4 3 1996 80 1000 MHz with 1 kHz AM 80 Modulation 3 V m Electrical fast transient burst accord...

Страница 9: ...outlet to comply with international safety standards Do not connect the unit to an A C outlet power supply without an earth ground connection The appliance coupler the connector to the unit and not th...

Страница 10: ...ada The cord set must be UL approved and CSA certified The minimum specifications for the flexible cord are No 18 AWG not longer than 2 meters or 16 AWG Type SV or SJ 3 conductor The cord set must hav...

Страница 11: ...as tre aliment par un dispositif imp dance la terre Si vos alimenta tions sont du type imp dance la terre ce groupe doit tre aliment par une tension de 230 V 2 P T par le biais d un transformateur d i...

Страница 12: ...ker der Anschlu an das Ger t nicht der Wandsteckdosenstecker mu einen gem EN 60320 IEC 320 konfigurierten Ger teeingang haben Die Netzsteckdose mu in der N he des Ger ts und leicht zug nglich sein Die...

Страница 13: ...pole power plug to a valid earth ground line to prevent electrical hazards Caution Wear an anti static wrist strap or take other suitable measures to prevent electrostatic discharge when handling this...

Страница 14: ...the product has reached the end of its life Manufacturing Materials There are no hazardous nor ozone depleting materials in this product Documentation All printed documentation for this product uses...

Страница 15: ...TX port and fiber cable ends when they are powered on Ne regardez jamais le laser tant qu il est sous tension Ne regardez jamais directement le port TX Transmission fibres optiques et les embouts de...

Страница 16: ...COMPLIANCES xii...

Страница 17: ...4 Selecting a Site 4 Instructions 5 Application Example 7 Troubleshooting 8 Diagnosing Switch Indicators 8 Cables 9 Cable Specifications 9 10BASE T 100BASE TX Pin Assignments 9 1000BASE T Pin Assignm...

Страница 18: ...viii...

Страница 19: ...dwidth these switches provide the quickest solution to meeting the growing demands on your network Features and Benefits Auto negotiation supported on all ports Automatic MDI MDI X operation IEEE IEEE...

Страница 20: ...ides status LEDs for at a glance system monitoring The following table details the functions of the various indicators Port and System Status LEDs LED Condition Status Power On The switch is receiving...

Страница 21: ...REAR PANEL 3 SMCGS16 SMCGS24 Rear Panel The AC power connector is located on the rear panel of the switch...

Страница 22: ...Selecting a Site Be sure to follow the site selection guidelines below when choosing a location Select a suitable location for the switch It should be accessible for installing cabling and maintaining...

Страница 23: ...all into a standard EIA 19 inch rack using the included brackets 2 Applying Power Plug one end of the power adapter into the socket on the switch s rear panel and the other end into an appropriate ele...

Страница 24: ...ic MDI MDI X configuration for cable connections This allows you to use straight through cable to connect to other switches or hubs from any port on the switch No crossover cables or other device sett...

Страница 25: ...CGS16 is illustrated below EZ Switch 10 100 1000 SMCGS16 Server SMC EZ109DT Workstations LAN 1 PWR WLAN WAN 2 3 Link Activity Notebook Internet Notebook with SMC2835W Wireless PC Card SMC2804WBR Wirel...

Страница 26: ...er connection is made Probable Causes Switch port network card or cable may be defective Possible Solutions Check that the switch and attached device are both powered on Be sure the network cable is c...

Страница 27: ...ength of any twisted pair connection does not exceed 100 meters 328 feet Because all ports on this switch support automatic MDI MDI X operation you can use straight through cables for all network conn...

Страница 28: ...Data plus TD 2 Receive Data minus RD Transmit Data minus TD 3 Transmit Data plus TD Receive Data plus RD 6 Transmit Data minus TD Receive Data minus RD 4 5 7 8 Not used at 10 100 Mbps Not used at 10...

Страница 29: ...ass tests for Attenuation Near End Crosstalk NEXT and Far End Crosstalk FEXT This cable testing information is specified in the ANSI TIA EIA TSB 67 standard Additionally cables must also pass test par...

Страница 30: ...ion Mode Full or half duplex at 10 100 Mbps Full duplex at 1000 Mbps Media Supported 10BASE T 100 ohm Category 3 or better twisted pair 100BASE TX 100 ohm Category 5 or better twisted pair 1000BASE T...

Страница 31: ...mption SMCGS16 15 8 Watts SMCGS24 24 2 Watts Heat Dissipation 130 BTU hr maximum Power Requirement Input Voltage 100 240 VAC 50 60 Hz Temperature Operating 0 40 C 32 104 F Storage 40 70 C 40 158 F Hum...

Страница 32: ...PRODUCT SPECIFICATIONS 14...

Страница 33: ......

Страница 34: ...2 739 14 17 Benelux 31 0 654 776 790 Fax 31 0 172 242 393 Central Europe 49 0 89 92861 0 Fax 49 0 89 92861 230 Nordic and Baltics 46 0 566 622 83 Fax 45 0 566 622 86 Eastern Europe 420 266 794 421 Fax...

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