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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 is subject to change without notice. In no event shall Allied Telesis, Inc. be liable for any incidental, special, indirect, or consequential damages whatsoever, including but not limited to lost profits, arising out of or related to this manual or the information contained herein, even if Allied Telesis, Inc.
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Electrical Safety and Emissions Standards This product meets the following standards. U.S. Federal Communications Commission Radiated Energy Note: This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of FCC Rules.
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Translated Safety Statements Important: The indicates that a translation of the safety statement is available in a PDF document titled posted on the Allied Telesis website at Translated Safety Statements www.alliedtelesis.com.
Contents Preface................................1 Symbol conventions ............................. 2 Contacting Allied Telesis..........................3 Chapter 1: Overview ............................5 Features ............................... 6 Twisted pair ports ..........................6 SFP slots ............................... 6 LEDs..............................7 Installation options..........................7 Power conservation ..........................7 MAC address table ..........................7 Package contents for the GS970M/10 and GS970M/10PS Switch..............
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Installing a GS970M/10 switch in an equipment rack................. 56 Installing a GS970M/10PS switch in an equipment rack ................59 Installing a GS970M/18, GS970M/18PS or GS970M/28 switch in an equipment rack ......61 Installing a GS970M/28PS switch in an equipment rack ................63 Installing a GS970M/10 switch on a wall ....................
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Figures Figure 1: GS970M/10 and GS970M/10PS packaging ......................8 Figure 2: GS970M/18 and GS970M/18PS packaging ......................9 Figure 3: GS970M/28 packaging ............................10 Figure 4: GS970M/28PS packaging ............................ 11 Figure 5: GS970M/10 front panel ............................12 Figure 6: GS970M/10 back panel ............................13 Figure 7: GS970M/10PS front panel ...........................
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Tables Table 1. Twisted pair cable requirements for the non-PoE ports..................25 Table 2. IEEE powered device classes..........................28 Table 3. Twisted pair cable requirements for the 10BASE-T and 100BASE-TX ports at 10 or 100Mbps......28 Table 4. Twisted pair cable requirements for the 10/1000BASE-T and 100BASE-TX ports at 1000Mbps......29 Table 5.
This guide contains the installation instructions for the following GS9790M Series Switches: GS970M/10 GS970M/10PS GS970M/18 GS970M18PS GS970M/28 GS970M/28PS This preface contains the following sections: “Symbol conventions” on page 2 “Contacting Allied Telesis” on page 3 ...
Preface Symbol conventions This document uses the following conventions: Note Notes provide additional information. Caution Cautions inform you that performing or omitting a specific action may result in equipment damage or loss of data. Warning Warnings inform you that performing or omitting a specific action may result in bodily injury.
GS9790M Series Switch Installation Guide Contacting Allied Telesis If you need assistance with this product, you may contact Allied Telesis technical support by going to the Support & Services section of the Allied Telesis web site at www.alliedtelesis.com/support. You can find links for...
GS9790M Series Switch Installation Guide Chapter 1: Overview This chapter provides descriptions of the GS970M/10, GS970M/10PS, GS970M/18, GS970M/18PS, GS970M/28, and GS970M/28PS Gigabit Ethernet Switches and contains the following sections: “Features” on page 6 “Package contents for the GS970M/10 and GS970M/10PS Switch” ...
Support 100BASE-FX and 1000BASE-SX/LX transceivers. You need to purchase SFP transceivers separately. For a list of supported transceivers, contact your Allied Telesis distributor or reseller. Note See the product data sheets for the specific ATI SFP modules supported by the GS970M Series switches.
GS9790M Series Switch Installation Guide LEDs Here is a brief description of the port LEDs: POWER and FAULT LEDs; refer to “POWER and FAULT LEDs” on page 32. Link/Activity/Speed/PoE LEDs for the PoE twisted pair ports; see “10/1000BASE-T/100BASE-TX Link/Activity/Speed LED and PoE status LED”...
Chapter : Chapter 1: Overview Package contents for the GS970M/10 and GS970M/10PS Switch Figure 1 illustrates the package contents for the GS970M/10 and GS970M/10PS Gigabit Ethernet Switch. 1. GS970M/10 GS970M/10PS IGURE PACKAGING GS970M/10 or GS970M/10PS 1 Power cable (1.8m) 1 Power cable hook 1 Console cable (2m)
GS9790M Series Switch Installation Guide Package contents for GS970M/18 and GS970M/18PS Switches Figure 2 illustrates the package contents for the GS970M/18 and GS970M/18PS Gigabit Ethernet Switches. 2. GS970M/18 GS970M/18PS IGURE PACKAGING d re GS970M/18 or GS970M/18PS 1 Power cable (1.8m) 1 Power cable hook 1 Console cable (2m)
GS9790M Series Switch Installation Guide Package contents for the GS970M/28PS Switch Figure 4 illustrates the package contents for the GS970M/28PS Gigabit Ethernet Switch. 4. GS970M/28PS IGURE PACKAGING GS970M/28PS 1 Power cable (1.8m) 1 Console cable (2m) 2 x Brackets 6 x Screws 1 Power cable hook...
Chapter : Chapter 1: Overview Front and back panels on the GS970M/10 Switch Figure 5 illustrates the front panel of the GS970M/10 Gigabit Ethernet Switch. 5. GS970M/10 IGURE FRONT PANEL Duplex Mode LED 10/100/1000 Mbps ports Link/activity/speed LED SFP slots SD/Fault/Power LEDs Console port SD card slot...
GS9790M Series Switch Installation Guide Figure 6 illustrates the back panel of the GS970M/10 Gigabit Ethernet Switch. 6. GS970M/10 IGURE BACK PANEL Power connector Power cable hook Power cable hook mount...
Chapter : Chapter 1: Overview Front and back panels on the GS970M/10PS Switch Figure 7 illustrates the front panel of the GS970M/10PS Gigabit Ethernet Switch. 7. GS970M/10PS IGURE FRONT PANEL PoE status LED SFP slots Link/activity/speed LED SFP LEDs: 10/100/1000Mbps PoE+ ports Upper (left), lower (right) CONSOLE MAC Address Label...
GS9790M Series Switch Installation Guide Figure 8 illustrates the back panel of the GS970M/10PS Gigabit Ethernet Switch. 8. GS970M/10PS IGURE BACK PANEL Power connector Power cable hook Power cable hook mount...
Chapter : Chapter 1: Overview Front and back panels on the GS970M/18 Switch Figure 9 illustrates the front panel of the GS970M/18 Gigabit Ethernet Switch. 9. GS970M/18 IGURE FRONT PANEL Duplex Mode LED SFP slots Link/activity/speed LED SFP LEDs: 10/100/1000 Mbps ports Upper (left), lower (right) MAC Address Label SD/Fault/Power LEDs...
GS9790M Series Switch Installation Guide Figure 10 illustrates the back panel of the GS970M/18 Gigabit Ethernet Switch. 10. GS970M/18 IGURE BACK PANEL Power connector Power cable hook Power cable hook mount...
Chapter : Chapter 1: Overview Front and back panels on the GS970M/18PS Switch Figure 11 illustrates the front panel of the GS970M/18PS Gigabit Ethernet Switch. 11. GS970M/18PS IGURE FRONT PANEL PoE status LED SFP slots Link/activity/speed LED SFP LEDs: 10/100/1000Mbps PoE+ ports Upper (left), lower (right) MAC Address Label SD/Fault/Power LEDs...
GS9790M Series Switch Installation Guide Figure 12 illustrates the back panel of the GS970M/18PS Gigabit Ethernet Switch. 12. GS970M/18PS IGURE BACK PANEL Power connector Power cable hook Power cable hook mount...
Chapter : Chapter 1: Overview Front and back panels on the GS970M/28 Switch Figure 13 illustrates the front panel of the GS970M/28 Gigabit Ethernet Switch. 13. GS970M/28 IGURE FRONT PANEL Duplex Mode LED Link/activity/speed LED SD/Fault/Power LEDs 10/100/1000 Mbps ports Console port ecofriendly button SD card slot...
GS9790M Series Switch Installation Guide Figure 14 illustrates the back panel of the GS970M/28 Gigabit Ethernet Switch. 14. GS970M/28 IGURE BACK PANEL Power connector Power cable hook Power cable hook mount...
Chapter : Chapter 1: Overview Front and back panels on the GS970M/28PS Switch Figure 15 illustrates the front panel of the GS970M/28PS Gigabit Ethernet Switch. 15. GS970M/28PS IGURE FRONT PANEL PoE status LED SFP slots Link/activity/speed LED SFP LEDs: 10/100/1000Mbps PoE+ ports Upper (left), lower (right) ecofriendly button SD/Fault/Power LEDs...
GS9790M Series Switch Installation Guide Figure 16 illustrates the back panel of the GS970M/28PS Gigabit Ethernet Switch. 16. GS970M/28PS IGURE BACK PANEL Power connector Power cable hook Power cable hook mount...
Chapter : Chapter 1: Overview Management software The switches are shipped with the management software pre-installed. The software provides a command line interface and a GUI (Graphical User Interface) for in-band, over-the-network management. For full product documentation, see our online documentation Library. For AlliedWare Plus products, the Library includes the following documents: Feature Overview and Configuration Guides - find these by clicking ...
GS9790M Series Switch Installation Guide Twisted pair ports The number of twisted pair ports supported by each GS970M Series switch is: 8 ports: GS970M/10 and GS970M/10PS 16 ports: GS970M/18 and GS970M/18PS 24 ports: GS970M/28 and GS970M/28PS All ports are 10BASE-T, 100BASE-TX, and 1000BASE-T compliant. You can set the port speeds and duplex modes either automatically with IEEE 802.3u Auto-Negotiation or manually with the management software.
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Chapter : Chapter 1: Overview 1. T ABLE WISTED PAIR CABLE REQUIREMENTS FOR THE NON PORTS 1000 Cable type Mbps Mbps Mbps Cat 5e: Standard TIA/EIA 568-B-compliant Enhanced Category 5 (Cat 5e) shielded or unshielded cabling with 100 ohm impedance and a frequency of 100 MHz Cat 6 or 6a: Standard TIA/EIA 568-B- compliant Category 6 or 6a shielded cabling...
GS9790M Series Switch Installation Guide Power over Ethernet (PoE) The GS970M/10PS, GS970M/18PS and GS970M/28PS switches feature Power over Ethernet (PoE) on the 10/1000BASE-T and 100BASE-TX ports. PoE is used to supply power to network devices over the same twisted pair cables that carry the network traffic. The main advantage of PoE is that it can make it easier to install a network.
Chapter : Chapter 1: Overview Powered device Powered devices are grouped into the five classes listed in Table 2 on classes page 28. The classes are based on the amount of power the devices require. The GS970M Series PoE switches support all five classes. 2.
GS9790M Series Switch Installation Guide 4. T 10/1000BASE-T ABLE WISTED PAIR CABLE REQUIREMENTS FOR THE 100BASE-TX 1000M PORTS AT 1000Mbps Cable type Non-PoE PoE+ Cat 3: Standard TIA/EIA 568-B- compliant Category 3 shielded or unshielded cabling with 100 ohm impedance and a frequency of 16 MHz Cat 5: Standard TIA/EIA 568-A- compliant Category 5 shielded...
Chapter : Chapter 1: Overview To determine whether the power requirements of the PoE devices you plan to connect to the switch exceed its power budget, refer to their documentation for their power requirements and add the requirements together. The switch should be able to power all of the devices simultaneously as long as the total is below its power budget.
GS9790M Series Switch Installation Guide Wiring The IEEE 802.3af standard defines two methods for the delivery of DC power over twisted pair cable by a PSE, such as the switch, to PDs. These implementation methods, known as modes A and B, identify the wires within the cable that carry the DC power from the PSE to a PD.
Chapter : Chapter 1: Overview LEDs This section describes the four types of LEDs on GS970M Series switches: “POWER and FAULT LEDs” on page 32 “10/1000BASE-T/100BASE-TX Link/Activity/Speed LED and PoE status LED” on page 34 “10/1000BASE-T/100BASE-TX Link/Activity/Speed LED and ...
GS9790M Series Switch Installation Guide Table 5 describes the POWER LED for GS970M Series switches. 5. POWER LED ABLE FUNCTIONAL DESCRIPTIONS Description State Indicates either the switch is not receiving AC power or the AC input power is operating outside the normal range POWER Steady...
Chapter : Chapter 1: Overview 10/1000BASE-T/ On GS970M/10PS, GS970M/18PS and GS970M/28PS switches, the Link/ Activity/Speed and PoE LEDs provide information about the 10/ 100BASE-TX 1000BASE-T and the 100BASE-TX ports. Link/Activity/ Speed LED and GS970M Series PoE switches indicate Link/Activity/Speed and PoE status with two LEDs for each port (Figure 19).
GS9790M Series Switch Installation Guide Table 7 describes the Link/Activity/Speed and PoE status LEDs. 7. L E LED ABLE CTIVITY PEED AND DESCRIPTIONS State Description The port has not established a link with a network device, or the ecofriendly feature is enabled Flashing Rx or Tx activities at 1000M...
Chapter : Chapter 1: Overview 10/1000BASE-T/ On GS970M/10, GS970M/18 and GS970M/28 switches, the Link/Activity/ Speed and Duplex/Collision LEDs provide information about the 10/ 100BASE-TX 1000BASE-T and the 100BASE-TX ports. Link/Activity/ Speed LED and These switches indicate Link/Activity/Speed and Duplex/Collision status with two LEDs for each port (Figure 20).
GS9790M Series Switch Installation Guide Table 8 describes the Link/Activity/Speed and Duplex/Collision LEDs. 8. L ABLE CTIVITY PEED AND UPLEX OLLISION DESCRIPTIONS State Description The port has not established a link with a network device, or the ecofriendly feature is enabled Flashing Rx or Tx activities at 1000M green...
Chapter : Chapter 1: Overview SFP LEDs The GS970M Series switches have SFP Link/Activity LEDs on the front panel. See Figure 21. The SFP Link/Activity LEDs indicate the activity status for each SFP slot. Each SFP slot has ONE uni-color LED: The LEFT LED corresponds to the UPPER SFP port ...
GS9790M Series Switch Installation Guide Table 9 describes the functions of the SFP Link/Activity LEDs 9. SFP L ABLE CTIVITY FUNCTIONAL DESCRIPTIONS State Description The port on the SFP transceiver has not established a link with an end node, OR the ecofriendly feature is enabled Flashing Rx or Tx activities...
Chapter : Chapter 1: Overview The SD card LED indicates whether the SD card slot has a card inserted, or is reading or writing. Table 10 describes the functions of the SD card LED. 10. SD ABLE CARD FUNCTIONAL DESCRIPTIONS State Description SD card is not inserted OR the ecofriendly...
GS9790M Series Switch Installation Guide ecofriendly button By pressing the ecofriendly button you can conserve energy. When you press the ecofriendly button for 1 to 4 seconds, the front panel port LEDs are disabled. You may use the button to turn off the LEDs when you are not monitoring the switch.
Chapter : Chapter 1: Overview Power supply Each switch has an internal power 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 and a power cord retainer hook are supplied with the switch.
GS9790M Series Switch Installation Guide Fans The switches have internal fans as follows: GS970M/10: no fan GS970M/10PS, GS970M/18 and GS970M/28: one fan GS970M/18PS and GS970M/28PS: two fans You cannot remove or replace these fans in the field. The fan status is indicated with the FAULT LED.
GS9790M Series Switch Installation Guide Chapter 2: Installation This chapter contains the following sections: “Reviewing safety precautions” on page 46 “Selecting a site for the switch” on page 48 “Cable specifications” on page 49 “Unpacking the switch:GS970M/10 and GS970M/10PS” on ...
Chapter : Chapter 2: Installation Reviewing safety precautions Please review the following safety precautions before you begin to install the chassis or any of its components. Note The indicates that a translation of the safety statement is available in a PDF document titled Translated Safety Statements. Warning To prevent electric shock, do not remove the cover.
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GS9790M Series Switch Installation Guide All countries: Install product in accordance with local and National Electrical Codes. E8 Circuit overloading: Consideration should be given to the connection of the equipment to the supply circuit and the effect that overloading of circuits might have on overcurrent protection and supply wiring.
Chapter : Chapter 2: Installation Selecting a site for the switch You can install a GS970M Series switch on a desktop, in a standard 19- inch equipment rack, or on a wall. Observe the following requirements when choosing a site for your switch: If you plan to install the switch in an equipment rack, verify that the ...
GS9790M Series Switch Installation Guide Cable specifications Table 11 contains the cable specifications for the twisted pair ports. 11. T ABLE WISTED PAIR CABLING AND DISTANCES Maximum Speed Type of cable operating distance Standard TIA/EIA 568-B-compliant Category 3 or better shielded or 10 Mbps unshielded cabling with 100 ohm 100 m (328 ft)
Chapter : Chapter 2: Installation Unpacking the switch:GS970M/10 and GS970M/10PS To unpack the switch, perform the following procedure: 1. Remove all of the components from the shipped package. Note Store the packaging material in a safe location. You must use the original shipping material if you need to return the unit to Allied Telesis.
GS9790M Series Switch Installation Guide Unpacking the switch: GS970M/18 and GS970M/18PS To unpack the switch, perform the following procedure: 1. Remove all of the components from the shipped package. Note Store the packaging material in a safe location. You must use the original shipping material if you need to return the unit to Allied Telesis.
Chapter : Chapter 2: Installation Unpacking the switch: GS970M/28 To unpack the switch, perform the following procedure: 1. Remove all of the components from the shipped package. Note Store the packaging material in a safe location. You must use the original shipping material if you need to return the unit to Allied Telesis.
GS9790M Series Switch Installation Guide Unpacking the switch: GS970M/28PS To unpack the switch, perform the following procedure: 1. Remove all of the components from the shipped package. Note Store the packaging material in a safe location. You must use the original shipping material if you need to return the unit to Allied Telesis.
Chapter : Chapter 2: Installation Installing the switch on a table or a desktop Here are the guidelines to selecting a suitable site for desktop or table use: The table should be level and stable and the power outlets should ...
GS9790M Series Switch Installation Guide Removing the feet from a switch before installing it in an equipment rack or on a wall Before you install the switch in a 19-inch equipment rack or on a wall, you need to remove the rubber feet, if they are attached to the base of the switch.
These instructions show you how to install a GS970M/10 switch in an equipment rack. The rack mount kit is AT-RKMT-J05 and can be purchased separately from your Allied Telesis dealer. To install a GS970M/10 switch in a 19-inch equipment rack, follow these steps: 1.
GS9790M Series Switch Installation Guide 4. Next attach the cable tray brackets (Figure 28). 28. A IGURE TTACHING CABLE TRAY BRACKETS 5. Mount the GS970M/10 switch on the brackets (Figure 29). Screw it in with the screws from the rubber feet which you removed earlier (Figure 25 on page 55).
Chapter : Chapter 2: Installation 6. Mount the GS970M/10 switch in a 19-inch equipment rack using the provided spacer bracket mounts with four equipment rack screws (Figure 30). 30. M GS970M/10 S IGURE OUNTING A WITCH IN THE RACK 7. Secure cables to the cable tray (Figure 31). 31.
These instructions show you how to install a GS970M/10PS switch in an equipment rack. The rack mount kit is AT-RKMT-J14 and can be purchased separately from your Allied Telesis dealer. To install a GS970M/10PS switch in a 19-inch equipment rack, follow these steps: 1.
Chapter : Chapter 2: Installation 3. Mount the GS970M/10PS switch in a 19-inch equipment rack using four equipment rack screws (supplied with the equipment rack) (Figure 33). 33. M GS970M/10PS IGURE OUNTING A SWITCH IN AN EQUIPMENT RACK d d r e s s L a b - 2 3...
GS9790M Series Switch Installation Guide Installing a GS970M/18, GS970M/18PS or GS970M/28 switch in an equipment rack These instructions show you how to install a GS970M/18PS, GS970M/18, or GS970M/28 switch in an equipment rack. The rack mount kit is AT-RKMT-J13 and can be purchased separately from your Allied Telesis dealer.
Chapter : Chapter 2: Installation 3. Mount the switch in a 19-inch equipment rack using four equipment rack screws (supplied with the equipment rack) (Figure 35). 35. M GS970M/18, GS970M/18PS IGURE OUNTING A GS970M/28 SWITCH IN AN EQUIPMENT RACK r e s 4.
GS9790M Series Switch Installation Guide Installing a GS970M/28PS switch in an equipment rack These instructions show you how to install a GS970M/28PS switch in an equipment rack. A rack mount kit is included with your GS970M/28PS switch. To install a GS970M/28PS switch in a 19-inch equipment rack, follow these steps: 1.
Chapter : Chapter 2: Installation 3. Mount the GS970M/28PS switch in a 19-inch equipment rack using four equipment rack screws (supplied with the equipment rack) (Figure 37). 37. M GS970M/28PS IGURE OUNTING A SWITCH IN AN EQUIPMENT RACK 4. Go to “Cabling the switch” on page 69...
These instructions show you how to install a GS970M/10 switch on a wall. The wall mount kit is AT-BRKT-J23 and can be purchased separately from your Allied Telesis dealer. Before you start, ensure that the wall is sturdy enough to hold the switch’s weight.
Chapter : Chapter 2: Installation 39. S GS970M/10 IGURE ECURING THE SWITCH TO THE WALL WITH THE FRONT PANEL FACING UP Bracket position, viewed from above: Bracket position, viewed from below: 40. S GS970M/10 IGURE ECURING THE SWITCH TO THE WALL WITH THE FRONT PANEL FACING RIGHT Bracket position, ...
These instructions show you how to install a GS970M/18, GS970M/28 or AT-GS970M PS Series switch on a wall. The wall mount kit is AT-BRKT- J24 and can be purchased separately from your Allied Telesis dealer. Note This section shows a GS970M/10PS switch as an example.
Chapter : Chapter 2: Installation 3. While another person holds the switch at the wall location, secure it to the wall using the eight wall mounting screws (Figure 42). 42. S IGURE ECURING THE SWITCH TO THE WALL 4. Go to “Cabling the switch” on page 69.
GS9790M Series Switch Installation Guide Cabling the switch Observe the following guidelines when connecting twisted pair and fiber optic cables to the ports on the switch: The connector on the cable should fit snugly into the port on the switch.
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Chapter : Chapter 2: Installation The default speed setting for the ports is Auto-Negotiation. This setting is appropriate for ports connected to network devices that also support Auto-Negotiation. The default speed setting of Auto-Negotiation is not appropriate for ports connected to 10BASE-T and 100BASE-TX network devices that do not support Auto-Negotiation and have fixed speeds.
GS9790M Series Switch Installation Guide Powering on the switch To power on the switch, perform the following procedure: 1. Lift the power cable hook, as shown in Figure 43, on the back of the switch. 43. L GS970M S IGURE IFTING THE POWER CABLE HOOK ON A ERIES...
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Chapter : Chapter 2: Installation 3. 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 the power cord. E3 Pluggable Equipment: The socket outlet shall be installed near the equipment and shall be easily accessible.
GS9790M Series Switch Installation Guide Starting a local management session This procedure requires a terminal or a terminal emulator program and the management cable that comes with the switch. To start a local management session on the switch, perform the following procedure: 1.
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Chapter : Chapter 2: Installation Note The port settings are for a DEC VT100 or ANSI terminal, or an equivalent terminal emulator program. 4. If you have not already done so, power up the switch as described in the previous steps.
Chapter : Chapter 2: Installation Installing optional SFP transceivers To install an SFP transceiver, perform the following procedure: Note The transceiver can be hot-swapped; you do not need to power off the switch to install a transceiver. However, always remove the cables before removing the transceiver.
GS9790M Series Switch Installation Guide 3. Position the SFP transceiver with the label facing up. 4. Gently slide the transceiver into the SFP slot until it clicks into place as shown in Figure 50. 50. I IGURE NSERTING AN TRANSCEIVER INTO AN SLOT 5.
Chapter : Chapter 2: Installation 6. Eject SFP transceivers, as shown in Figure 52. First lower the SFP transceiver handle, then gently remove the SFP transceiver. 52. E IGURE JECTING AN TRANSCEIVER AFTER LOWERING THE HANDLE TO THE DOWNWARDS POSITION 7.
Chapter 3: Troubleshooting This chapter contains information on how to troubleshoot the switch if a problem occurs. Note For further assistance, please contact Allied Telesis Technical Support at www.alliedtelesis.com/support. The POWER LED on the front of the switch is off. Problem 1: The unit is not receiving power.
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Chapter : Chapter 3: Troubleshooting 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 ...
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GS9790M Series Switch Installation Guide The switch functions intermittently. Problem 5: Check the system hardware status through the management Solutions: software: Use the SHOW SYSTEM ENVIRONMENT command in the Privileged Exec mode to verify that the input voltage from the power source to the switch is stable and within the approved operating range.
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Chapter : Chapter 3: Troubleshooting Network performance between a twisted pair port on the switch Problem 7: and a network device is slow. There might be a duplex mode mismatch between the port and Solution: the network device. This occurs when a twisted pair port using Auto- Negotiation is connected to a device with a fixed duplex mode of full duplex.
GS9790M Series Switch Installation Guide Appendix A: Technical Specifications This appendix describes the technical specifications of the GS970M Series switches. Physical specifications Dimensions 12. C ABLE HASSIS DIMENSIONS Model W x D x H mm (in) 263 mm x 179 mm x 38 mm GS970M/10 (10.35 in x 7.05 in x 1.50 in) 210 mm x 275mm x 42.5 mm...
Appendix : Appendix A: Technical Specifications Environmental specifications 14. E ABLE NVIRONMENTAL SPECIFICATIONS Operating temperature 0° C to +50° C (32° F to 122° F) Storage temperature -20° C to 70° C (-4° F to 158° F) Operating humidity < 80% non-condensing Storage humidity <...
GS9790M Series Switch Installation Guide Electrical safety and electromagnetic certifications 17. S ABLE AFETY AND ELECTROMAGNETIC EMISSIONS CERTIFICATIONS EN 55022 Class A EN 55024 EN 61000-3-2 EN 61000-3-3 EN 62311 FCC Part 15 (CFR 47) Class A VCCI Class A CISPR 22 Class A ICES-003 Environmental...
Appendix : Appendix A: Technical Specifications Connectors and port pinouts This section lists the connectors and connector pinouts. Figure 53 illustrates the pin layout for an RJ45 connector and port. 53. RJ45 IGURE CONNECTOR AND PORT PIN LAYOUT Table 18 lists the RJ45 pin signals when a twisted pair port is operating in the MDI configuration.
GS9790M Series Switch Installation Guide Table 20 lists the RJ45 connector pins and their signals when a 1000BASE-T port is operating at 1000Mbps. 20. RJ-45 1000BASE-T ABLE CONNECTOR PINOUTS Pair Signal TX and RX+ TX and RX- TX and RX+ TX and RX+ TX and RX- TX and RX-...
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