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Chapter 3: Troubleshooting

66

Problem 3:

 A twisted pair port on the switch is connected to a network 

device, but the port’s LINK/ACT LED is off.

Solutions:

 The port is unable to establish a link to a network device. Try 

the following:

Verify that the network device connected to the twisted pair port is 
powered on and is operating properly.

Verify that the twisted pair cable is securely connected to the port 
on the media converter channel and to the port on the remote 
network device.

Verify that the port is connected to the correct twisted pair cable. 
This is to eliminate the possibility that the port is connected to the 
wrong network device, such as a powered-off device.

Try connecting another network device to the twisted pair port with 
a different cable. If the twisted pair port is able to establish a link, 
then the problem is with the cable or the other network device.

Verify that the twisted pair cable does not exceed 100 meters (328 
feet).

Verify that you are using the appropriate category of twisted pair 
cable: Category 3 or better for 10 Mbps operation and Category 5 
and Category 5E for 100 and 1000 Mbps operation.

Note

A 1000Base connection may require 5 to 10 seconds to establish a 
link.

Problem 4:

 The LINK/ACT LED for an SFP transceiver is off.

Solutions:

 The fiber optic port on the transceiver is unable to establish a 

link to a network device. Try the following:

Verify that the network device connected to the fiber optic port is 
operating properly.

Verify that the fiber optic cable is securely connected to the port on 
the media converter channel and to the port on the remote network 
device.

Check that the SFP module is fully inserted in the slot.

Verify that the operating specifications of the fiber optic ports on 
the SFP transceiver and the remote network device are 
compatible.

Verify that the correct type of fiber optic cabling is being used.

Verify that the port is connected to the correct fiber optic cable. 
This is to eliminate the possibility that the port is connected to the 
wrong remote network device, such as a powered off device.

Содержание AT-GS950/10PS

Страница 1: ...613 001768 Rev E AT GS950 48PS AT GS950 28PS AT GS950 16PS AT GS950 10PS Gigabit Ethernet PoE Switches Installation Guide...

Страница 2: ...espective owners Allied Telesis Inc reserves the right to make changes in specifications and other information contained in this document without prior written notice The information provided herein i...

Страница 3: ...ent is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with this instruction manual may cause harm...

Страница 4: ...ich case the user may be required to take adequate measures E84 EMC Immunity EN55024 EN61000 3 2 EN61000 3 3 Electrical Safety EN60950 1 TUV UL 60950 1 CULUS Warning Laser Safety EN60825 L7 Translated...

Страница 5: ...the Switch 46 Cable Specifications 47 Unpacking the Switch 48 Installing the Switch on a Desktop 50 Installing the Switch in an Equipment Rack 51 Installing the Switch on a Wall 53 Installing Optiona...

Страница 6: ...Contents 6...

Страница 7: ...E and PoE MAX LEDs 34 Figure 19 AT GS950 16PS PoE and PoE MAX LEDs 34 Figure 20 AT GS950 28PS PoE and PoE MAX LEDs 34 Figure 21 AT GS950 48PS PoE and PoE MAX LEDs 34 Figure 22 eco Friendly Button 36 F...

Страница 8: ...List of Figures 8...

Страница 9: ...T GS950 16PS AT GS950 48PS 32 Table 7 SFP Slot LED Functional Descriptions AT GS950 28PS 33 Table 8 PoE Status LED Functional Descriptions 35 Table 9 Twisted Pair Cabling and Distances 47 Table 10 Cha...

Страница 10: ...List of Tables 10...

Страница 11: ...S and AT GS950 48PS Gigabit Ethernet PoE Switches This preface contains the following sections Symbol Conventions on page 12 Contacting Allied Telesis on page 13 The AT GS950 10PS AT GS950 16PS AT GS9...

Страница 12: ...ss of data Warning Warnings inform you that performing or omitting a specific action may result in bodily injury Warning Warnings inform you that an eye and skin hazard exists due to the presence of a...

Страница 13: ...about RMAs and contact Allied Telesis technical experts USA and EMEA phone support Select the phone number that best fits your location and customer type Hardware warranty information Learn about All...

Страница 14: ...14...

Страница 15: ...r 2 Gigabit Ethernet PoE Switches and contains the following sections Features on page 16 Front and Back Panels on page 18 Management Software on page 21 Twisted Pair Ports on page 22 Power over Ether...

Страница 16: ...w Control Support for Jumbo frames up to 10KB RJ 45 connectors SFP Slots The AT GS950 10PS AT GS950 16PS and AT GS950 48PS switches support both 100Base FX and 1000Base SX LX transceivers The AT GS950...

Страница 17: ...tallation Options The GS950 PS Series switches can be installed in the following ways Rack mounted in a 19 inch equipment rack Mounted on a desk or tabletop Wall mounted for the AT GS950 10PS AT GS950...

Страница 18: ...T GS950 16PS Front Panels Figure 2 on page 19 illustrates the front panels of the AT GS950 28PS and AT GS950 48PS Gigabit Ethernet Switches AT GS950 16 AT GS950 16PS 10 100 1000Base T SFP Slots Twiste...

Страница 19: ...igure 2 AT GS950 28PS and AT GS950 48PS Front Panels AT GS950 48PS SFP Slots System LEDs eco Friendly Button 10 100 1000Base T Twisted Pair Ports AT GS950 28PS SFP Slots eco Friendly Button 10 100 100...

Страница 20: ...gure 3 AT GS950 10PS Back Panel See Figure 4 for an example of the AT GS950 16PS and AT GS950 28PS back panels Figure 4 AT GS950 16PS and AT GS950 28PS Back Panels See Figure 5 for an example of the A...

Страница 21: ...ser s Guide for the AT GS950 10PS Switch AT S111 refer to the Web Interface User s Guide for the AT GS950 48PS Switch AT S112 refer to the Web Interface User s Guide for the AT GS950 16PS Switch AT S1...

Страница 22: ...0 meters 328 feet For 10 Mbps operation the ports require Category 3 or better 100 ohm shielded or unshielded twisted pair cabling For 100 or 1000 Mbps operation the ports require Category 5 or Enhanc...

Страница 23: ...vice is required from the powered devices connected to the PoE ports is shown in Table 14 on page 71 Note Each switch can support any combination of PoE classes 0 4 simultaneously up to the maximum Po...

Страница 24: ...sted pair port or a corresponding SFP module can be active at a time The twisted pair port is the active port when its SFP slot is empty or when an SFP module is installed but has not established a li...

Страница 25: ...25 An exception to the shared settings is port speed If you disable Auto Negotiation on a twisted pair port and set the speed and duplex mode manually the speed reverts to Auto Negotiation when an SFP...

Страница 26: ...use the eco Friendly button See eco Friendly Button on page 36 for more information Figure 6 PWR LED on AT GS950 10PS Table 2 describes the PWR LED for the AT GS950 10PS switch On the AT GS950 16PS AT...

Страница 27: ...7 SYSTEM LED on AT GS950 16PS Figure 8 SYS LED on AT GS950 28PS Figure 9 SYS LED on AT GS950 48PS Table 3 on page 28 describes the functions for the SYSTEM SYS LED for the AT GS950 16PS AT GS950 28PS...

Страница 28: ...o Friendly button See eco Friendly Button on page 36 for more information Figure 10 AT GS950 10PS Link Activity and Speed LEDs See Table 4 on page 29 for a description for the AT GS950 10PS Link Activ...

Страница 29: ...8PS Link Activity Speed LEDs Table 4 AT GS950 10PS L A and SPD LEDs Functional Descriptions LED State Description Link Activity L A Off The port has not established a link with a network device Blinki...

Страница 30: ...50 48PS L A LED Functional Descriptions LED State Description L A link activity Off The port has not established a link with a network device Steady Green The port has established a 1000Mbps link to a...

Страница 31: ...ow power mode To toggle on the LEDs use the eco Friendly button See eco Friendly Button on page 36 for more information The AT GS950 10PS AT GS950 16PS and AT GS950 28PS switches have the SFP LEDs on...

Страница 32: ...State Description SFP Off The port on the SFP transceiver has not established a link with an end node or the transceiver slot is empty Blinking Green The SFP transceiver is transmitting or receiving...

Страница 33: ...n supply PoE power to PDs on ports 1 24 See Figure 20 on page 34 for the location of the PoE status LEDs The AT GS950 48PS switch can supply PoE power to PDs on ports 1 24 See Figure 21 on page 34 for...

Страница 34: ...PoE MAX LEDs Figure 19 AT GS950 16PS PoE and PoE MAX LEDs Figure 20 AT GS950 28PS PoE and PoE MAX LEDs Figure 21 AT GS950 48PS PoE and PoE MAX LEDs PoE Port LEDs PoE MAX LED PoE MAX LED PoE Port LEDs...

Страница 35: ...Description PoE MAX Red The total PoE output power for all ports on the switch exceeds the maximum PoE power that the switch can deliver Off The switch has spare power for a new PD PoE Green PoE power...

Страница 36: ...the Power LED eco Friendly Button Operation The button operates as follows Conserve energy When you press the eco Friendly button for 1 to 4 seconds the front panel port LEDs are disabled You may use...

Страница 37: ...ng takes approximately 1 to 2 minutes before the switch comes back online and is ready to transmit Ethernet traffic again 2 To reboot the switch and reset the switch to its factory default settings pr...

Страница 38: ...supply with a single AC power supply socket on the back panel To power the switch on or off connect or disconnect the power cord provided with the switch A power cord is supplied with the switch Note...

Страница 39: ...16PS AT GS950 28PS and AT GS950 48PS switches have internal fans You cannot remove or replace these fans in the field The fan status is indicated with the SYSTEM LED See PWR SYS LEDs on page 26 for mo...

Страница 40: ...Chapter 1 Overview 40...

Страница 41: ...6 Cable Specifications on page 47 Unpacking the Switch on page 48 Installing the Switch on a Desktop on page 50 Installing the Switch in an Equipment Rack on page 51 Installing the Switch on a Wall on...

Страница 42: ...beam L2 Warning Do not look directly at the fiber optic cable ends or inspect the cable ends with an optical lens L6 Warning To prevent electric shock do not remove the cover No user serviceable parts...

Страница 43: ...ir for cooling E6 Warning Operating Temperature This product is designed for a maximum ambient temperature of 40 degrees C E7 Note All Countries Install product in accordance with local and National E...

Страница 44: ...ther than direct connections to the branch circuits e g use of power strips E37 Warning To reduce the risk of electric shock the PoE ports on this product must not connect to cabling that is routed ou...

Страница 45: ...GS950 PS Series Switches Installation Guide 45 Figure 23 AT GS950 28PS Unit Orientation Correct Orientation Incorrect Orientation...

Страница 46: ...et for the switch should be located near the unit and should be easily accessible The site should provide for easy access to the ports on the front of the switch This will make it easier for you to co...

Страница 47: ...9 Twisted Pair Cabling and Distances Speed Type of Cable Maximum Operating Distance 10 Mbps Standard TIA EIA 568 B compliant Category 3 or better shielded or unshielded cabling with 100 ohm impedance...

Страница 48: ...ore the packaging material in a safe location You must use the original shipping material if you need to return the unit to Allied Telesis 2 Place the switch on a level secure surface 3 In addition to...

Страница 49: ...24 Shipping Package Contents Two equipment rack or wall brackets Eight bracket screws Four wall anchors Four wall screws Four rubber feet for desktop installation One regional AC power cord One power...

Страница 50: ...switch on a desktop perform the following procedure 1 Remove all equipment from the package and store the packaging material in a safe place 2 Turn the switch over and place it on a table 3 Attach th...

Страница 51: ...ing procedure 1 If the rubber feet are attached to the bottom of the switch remove them using a flat head screwdriver 2 Attach the two rack mount brackets to the sides of the switch using the eight br...

Страница 52: ...Switch Continued 3 Mount the switch in a standard 19 inch equipment rack using four equipment rack screws not provided with the switch Figure 28 Mounting the Switch in an Equipment Rack 4 Go to Insta...

Страница 53: ...10PS AT GS950 16PS or AT GS950 28PS switch on a wall perform the following procedure 1 Turn the switch over and place it on a table 2 If the rubber feet are attached to the bottom of the switch remov...

Страница 54: ...ith the locations of the four holes in the brackets The switch should be oriented such that its front faceplate is facing up and is level to the floor See Figure 30 Figure 30 Marking the Screw Hole Lo...

Страница 55: ...another person holds the switch at the wall location secure it to the wall using the four wall mounting screws See Figure 31 Figure 31 Securing the Switch to the Wall 7 Go to Installing Optional SFP T...

Страница 56: ...transceiver Note You should always install the transceiver before connecting the fiber optic cables to it 1 Remove the transceiver from its shipping container and store the packaging material in a saf...

Страница 57: ...hown in Figure 33 This secures the transceiver and prevents it from being dislodged from the slot Figure 33 Positioning the SFP Handle in the Upright Position 5 Repeat Step 1 through Step 4 to install...

Страница 58: ...Chapter 2 Installation 58 6 Go to Cabling the Switch on page 59...

Страница 59: ...ble to connect any type of network device to the switch If your network topology contains a loop where two or more network devices can communicate with each other over more than one network path do no...

Страница 60: ...950 48PS switch refer to Powering on the AT GS950 48PS Switch on page 63 Powering on the AT GS950 10PS AT GS950 16PS and AT GS950 28PS Switches To install the power cord retaining clip and power on th...

Страница 61: ...eries Switches Installation Guide 61 2 Raise the retaining clip See Figure 35 Figure 35 Raising the Retaining Clip 3 Connect the power cord to the connector See Figure 36 Figure 36 Plugging in the AC...

Страница 62: ...end of the power cord into a wall outlet Warning Power cord is used as a disconnection device To de energize equipment disconnect the power cord E3 Note Pluggable Equipment The socket outlet shall be...

Страница 63: ...Figure 38 Figure 38 Plugging in the AC Power Cord 2 Plug the other end of the power cord into a wall outlet Warning Power cord is used as a disconnection device To de energize equipment disconnect th...

Страница 64: ...ion on how to manage the switch see one of the following manuals AT S110 Web Interface User s Guide for the AT GS950 10PS Switch AT S111 Web Interface User s Guide for the AT GS950 48PS Switch AT S112...

Страница 65: ...to it Try connecting the unit to another power source Try a different power cord Verify that the voltage from the power source is within the required levels for your region Problem 2 All of the port...

Страница 66: ...eters 328 feet Verify that you are using the appropriate category of twisted pair cable Category 3 or better for 10 Mbps operation and Category 5 and Category 5E for 100 and 1000 Mbps operation Note A...

Страница 67: ...en a twisted pair port on the switch and a network device is slow Solution There might be a duplex mode mismatch between the port and the network device This occurs when a twisted pair port using Auto...

Страница 68: ...Chapter 3 Troubleshooting 68...

Страница 69: ...sions Certifications on page 71 Connectors and Port Pinouts on page 71 Physical Specifications Dimensions Weight Table 10 Chassis Dimensions Model W x D x H mm in AT GS950 10PS 330 mm x 200 mm x 44 mm...

Страница 70: ...orts is shown in Table 14 on page 71 AT GS950 48PS 6 62 kg 14 60 lbs Table 11 Chassis Weight Continued Model Weight kg lbs Table 12 Environmental Specifications Operating Temperature 0 C to 45 C 32 F...

Страница 71: ...2 3af 7W per Port Class 3 IEEE 802 3af 15 4W per Port Class 4 IEEE 802 3at 30W per Port AT GS950 10PS Ports 1 8 75 W 8 Ports 4 Ports 2 Ports AT GS950 16PS Ports 1 16 185 W 16 Ports 12 Ports 6 Ports AT...

Страница 72: ...ion Table 18 lists the RJ 45 connector pins and their signals when a 1000Base T port is operating at 1000 Mbps Table 16 MDI Pin Signals 10Base T or 100Base TX Pin Signal 1 TX 2 TX 3 RX 6 RX Table 17 M...

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