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Typographical Conventions

The

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PoE overview information.

About PoE (Power over

For...

Refer to...

blue type

Indicates a hypertext link. When reading this document online, click the text in blue to go to
the referenced figure, table, or section.

Lowercase x

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Note:

Calls the reader’s attention to any item of information that may be of special

importance.

Caution:

Contains information essential to avoid damage to the equipment.

Precaución:

Contiene información esencial para prevenir dañar el equipo.

Achtung:

Verweißt auf wichtige Informationen zum Schutz gegen Beschädigungen.

Warning:

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muerte debido a un riesgo eléctrico.

Elektrischer Gefahrenhinweis:

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von Personen oder Todesfällen – hervorgerufen durch elektrische Spannung – führen
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Содержание SSA-G1018-0652

Страница 1: ...P N 9034458 04 Enterasys S Series Stand Alone SSA Switch Hardware Installation Guide SSA T4068 0252 SSA T1068 0652 SSA G1018 0652 ...

Страница 2: ......

Страница 3: ...0 Enterasys Networks Inc All rights reserved Part Number 9034458 04 January 2010 ENTERASYS ENTERASYS NETWORKS ENTERASYS SECURE NETWORKS NETSIGHT ENTERASYS NETSIGHT and any logos associated therewith are trademarks or registered trademarks of Enterasys Networks Inc in the United States and or other countries For a complete list of Enterasys trademarks see http www enterasys com company trademarks a...

Страница 4: ...ustry Canada Notice This digital apparatus does not exceed the class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications Le présent appareil numérique n émet pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques de la class A prescrites dans le Règlement sur le broui...

Страница 5: ...cipal waste It must be collected and treated separately 3 It has been determined by the European Parliament that there are potential negative effects on the environment and human health as a result of the presence of hazardous substances in electrical and electronic equipment 4 It is the users responsibility to utilize the available collection system to ensure WEEE is properly treated For informat...

Страница 6: ...ials in the parts is above the relevant threshold of the SJ T 11363 2006 standard ᇍ䫔ଂП᮹ⱘ᠔ଂѻક ᴀ㸼ᰒ ߃ կᑨ䫒ⱘ ᄤֵᙃѻકৃ㛑ࣙ 䖭ѯ 䋼Ǆ ᛣ ᠔ଂѻકЁৃ㛑Ӯгৃ㛑ϡӮ ᠔ ᠔ ⱘ䚼ӊǄ This table shows where these substances may be found in the supply chain of Enterasys electronic information products as of the date of sale of the enclosed product Note that some of the component types listed above may or may not be a part of the enclosed...

Страница 7: ...fiber under normal conditions is 12 6 dBm or 55 x 10 6 watts Removing the optical connector from the transceiver allows laser radiation to emit directly from the optical port The maximum radiance from the optical port under worst case conditions is 0 8 W cm 2 or 8 x 103 W m2 sr 1 Do not use optical instruments to view the laser output The use of optical instruments to view laser output increases e...

Страница 8: ...ry Business Park London Road Newbury Berkshire RG14 2PZ England Conformance to Directive s Product Standards EC Directive 2004 108 EC EN 55022 2006 EN 55024 1998 EN 61000 3 2 2006 EN 61000 3 3 1995 EC Directive 2006 95 EC EN 60950 1 2006 EN 60825 1 2007 EN 60825 2 2004 Equipment Type Environment Information Technology Equipment for use in a Commercial or Light Industrial Environment Enterasys Netw...

Страница 9: ...perability except to the extent expressly permitted by applicable law and to the extent the parties shall not be permitted by that applicable law such rights are expressly excluded Information necessary to achieve interoperability or correct errors is available from Enterasys upon request and upon payment of Enterasys applicable fee b Incorporate the Program in whole or in part in any other produc...

Страница 10: ...ts showing i license fees due and paid and ii the use copying and deployment of the Program You also grant to Enterasys and its authorized representatives upon reasonable notice the right to audit and examine during Your normal business hours Your books records accounts and hardware devices upon which the Program may be deployed to verify compliance with this Agreement including the verification o...

Страница 11: ...nforced to the maximum extent permissible Any such invalidity illegality or unenforceability in any jurisdiction shall not invalidate or render illegal or unenforceable such provision in any other jurisdiction 14 TERMINATION Enterasys may terminate this Agreement immediately upon Your breach of any of the terms and conditions of this Agreement Upon any such termination You shall immediately cease ...

Страница 12: ...x ...

Страница 13: ...osts 2 10 Securing the SSA to the Rear of the Rails 2 11 Unpacking the Power Supplies 2 12 Installing the Power Supplies 2 13 Powering Up the SSA 2 14 Removing a Power Supply 2 15 Connecting to the Network 2 16 Connecting Category 5 UTP Ethernet Cables to the RJ45 Ports 2 16 Connecting Pluggable Transceivers to the SFP and SFP Ports 2 17 Connecting to the COM Port for Local Management 2 18 What Is...

Страница 14: ...moving the Rail Extensions 2 7 2 4 Attaching the Mounting Brackets to the Rails Left Rail Example 2 8 2 5 Positioning and Attaching the Rails to the 7 inch Posts 2 8 2 6 Installation Positions in a Two post Rack 3 inch Posts 2 10 2 7 Screw to Remove if You Plan to Secure the Left Rear of the SSA 2 11 2 8 Securing the Rear of the SSA Four post Rack Example 2 11 2 9 SSA Ground Receptacle 2 13 2 10 I...

Страница 15: ...er Supply Carton 2 12 3 1 Port LEDs 3 2 3 2 RJ45 Port LEDs PoE Mode 3 3 3 3 System LEDs 3 3 3 4 Power Supply LED Status Definitions 3 5 3 5 Troubleshooting Checklist 3 5 A 1 Specifications A 1 A 2 COM Port Pin Assignments A 2 A 3 Compliance Standards A 3 C 1 Powered Device Classifications C 1 ...

Страница 16: ...xiv ...

Страница 17: ...d in this document Instructions regarding how to obtain technical support from Enterasys Networks To locate information about various subjects in this guide refer to the following table Electrical Hazard Only qualified personnel should install or service this unit Riesgo Electrico Nada mas personal capacitado debe de instalar o darle servicio a esta unida Elektrischer Gefahrenhinweis Installatione...

Страница 18: ...acter Note Calls the reader s attention to any item of information that may be of special importance Caution Contains information essential to avoid damage to the equipment Precaución Contiene información esencial para prevenir dañar el equipo Achtung Verweißt auf wichtige Informationen zum Schutz gegen Beschädigungen Warning Warns against an action that could result in personal injury or death Ad...

Страница 19: ...k environment such as layout cable type other relevant environmental information Network load and frame size at the time of trouble if known The device history for example if you have returned the device before or if this is a recurring problem Any previous Return Material Authorization RMA numbers World Wide Web www enterasys com services support Phone 1 800 872 8440 toll free in U S and Canada o...

Страница 20: ...Getting Help xviii About This Guide ...

Страница 21: ...02 3at can operate in either half duplex or full duplex mode which can be determined by either auto negotiation or manual configuration Depending on your power supply configuration the SSA T4068 0252 can provide PoE power for powered devices to a maximum of all 48 RJ45 ports simultaneously On the 10 100 1000BASE T ports the SSA T4068 0252 allows a maximum of eight authenticated users per port thou...

Страница 22: ...ing http www enterasys com products transceivers ds pdf SSA G1018 0652 The SSA G1018 0652 has forty eight 1000BASE T SFP ports and four 10GBASE X SFP ports as shown in Figure 1 3 Figure 1 3 SSA G1018 0652 Front Panel Each of the 1000BASE T ports can operate in either half duplex or full duplex mode which can be determined by either auto negotiation or manual configuration The SFP and SFP ports sup...

Страница 23: ...rated supply If you choose to use two power supplies in a redundant power configuration system power redundancy is guaranteed if one supply is lost Non redundant or additive mode in which the combined output of both supplies is made available to the system If you choose to use two power supplies in a non redundant power configuration the loss of a single supply may result in a system reset The fol...

Страница 24: ...formation In PoE mode the PWR LED changes to indicate the power supplies installed in the SSA For more information see Table 3 2 in Chapter 3 Troubleshooting For an overview of PoE see Appendix C About PoE Power over Ethernet Management You can manage the SSA either in band or out of band In band remote management is possible using the Enterasys Networks NetSight management application or the comm...

Страница 25: ...cher Gefahrenhinweis Installationen sollten nur durch ausgebildetes und qualifiziertes Personal vorgenommen werden For information about Refer to page Required Tools 2 1 Unpacking the SSA 2 2 Mounting the SSA 2 3 Unpacking the Power Supplies 2 12 Installing the Power Supplies 2 13 Powering Up the SSA 2 14 Connecting to the Network 2 16 Connecting to the COM Port for Local Management 2 18 Completin...

Страница 26: ...s or the SSA to rack posts 3 Verify the contents of the carton as listed in the Table 2 1 4 Inspect the SSA for any signs of physical damage If there are any signs of damage DO NOT install the SSA instead contact Enterasys Networks Refer to Getting Help on page xvii for details Table 2 1 Contents of SSA Item SSA chassis Rail kit which includes right and left rails rail extensions installed on the ...

Страница 27: ...f the site A temperature of between 5 C 41 F and 40 C 104 F must be maintained at the installation site with fluctuations of less than 10 C 18 F per hour Caution If you are installing an SSA in a four post or two post rack you must use the SSA rail kit to install the SSA in the rack Do not attempt to secure the SSA directly to the rack using the small front mounting ears Precaución Si instala un S...

Страница 28: ... and left rails to fit the outside dimensions of the rack posts The rails in the SSA rail kit are shipped with the rail extensions attached If the rails do not slide easily loosen the screws that secure the rail extensions to the main rails 2 Position the right and left rails which are labeled on the inside of each rail in the rack with the bottom lip of the rail facing into the rack Notes If you ...

Страница 29: ...gure 2 1 The SSA rail kit does not include screws for attaching the rails to the rack posts Figure 2 1 Attaching the Rails to a Four post Rack 4 If necessary tighten the screws that secure the rail extensions to the rails These screws must be tight before you place the SSA in the rails 5 From the front of the rack slide the SSA onto the rails until the mounting ears of the SSA are against the fron...

Страница 30: ...right and left front of the SSA See Figure 2 2 Figure 2 2 Securing the SSA in a Four post Rack 7 Optional Secure the rear of the SSA to the rails See Securing the SSA to the Rear of the Rails on page 2 11 You can now unpack and install the SSA power supplies See Unpacking the Power Supplies on page 2 12 and Installing the Power Supplies on page 2 13 ...

Страница 31: ...ns Notes If you plan to secure the rear of the SSA to the rails you must remove the screw in the left rear corner of the SSA BEFORE you install the SSA in the rack For more information see Securing the SSA to the Rear of the Rails on page 2 11 The SSA rail kit does not include screws for attaching the rails or the SSA to the rack posts Caution If you are installing an SSA in a four post or two pos...

Страница 32: ...ft Rail Example 3 Position the right and left rails which are labeled on the inside of each rail in the rack with the bottom lip of the rail facing into the rack The front mounting ears of the rails should be flush against the front screw holes of the rack posts The mounting brackets should be flush against the rear screw holes of the rack posts See Figure 2 5 Figure 2 5 Positioning and Attaching ...

Страница 33: ...taching the rails and mounting brackets to the rack posts 5 Tighten the 6 32 screws that secure the mounting brackets to the rails 6 Slide the SSA onto the rails until the front of the SSA is against the front of the rack posts 7 Secure the front of the SSA to the rack by screwing the customer supplied rack screws in the mounting ears on the right and left front of the SSA 8 Optional Secure the re...

Страница 34: ...e chosen See Figure 2 6 3 Secure the mounting brackets to the rack posts with three customer supplied screws in each mounting bracket Depending on the mounting option you must secure the mounting brackets to either the front or back of the rack posts See Figure 2 6 Note If you plan to secure the rear of the SSA to the rails you must remove the screw in the left rear corner of the SSA BEFORE you in...

Страница 35: ...ls on page 2 11 Securing the SSA to the Rear of the Rails The optional procedure of securing the SSA to the rear of the SSA rails applies to all rack installation scenarios four post rack 7 inch two post rack and 3 inch two post rack Securing the rear of the SSA is recommended only if you are shipping the rack in which the SSA is installed If you plan to secure the left rear corner of the SSA you ...

Страница 36: ...unit must be reshipped 2 Verify the contents of the box using Table 2 2 3 Remove the power supply from its protective plastic bag 4 Examine the power supply carefully checking for damage If there are any signs of damage DO NOT install the power supply instead contact Enterasys Networks Refer to Getting Help on page xvii for details Table 2 2 Contents of SSA Power Supply Carton Item Quantity Power ...

Страница 37: ...ist strap and attach it to the ground receptacle on the front of the SSA before handling a power supply Refer to the instructions in the anti static wrist strap package See Figure 2 9 for the location of the ground receptacle Figure 2 9 SSA Ground Receptacle 2 Holding the power supply with the handle on top align the power supply with the left power supply bay labeled PS1 3 Slide the power supply ...

Страница 38: ...lug the cord into a dedicated grounded AC outlet as shown in Figure 2 11 To take advantage of redundancy capabilities plug each power cord into a separate dedicated AC outlet 3 Optional Secure each power cord to the SSA by tying the power cords to the plastic brackets adjacent to the power supply bays with customer supplied zip ties Figure 2 11 Connecting Power to the SSA The PWR LED located on th...

Страница 39: ... 4 Unplug the associated power cord from the AC inlet 5 Unscrew the captive screws to release the power supply from the SSA 6 Remove the power supply by grasping the handle and pulling it straight out of the SSA 7 If you are not immediately installing another power supply fasten a coverplate over the empty power supply bay Caution If you plan to operate the chassis with only one power supply be su...

Страница 40: ...perform the following steps until it is on a Verify that cabling is Category 5 UTP with an impedance between 85 and 111 ohms If the port is to operate at 100 Mbps or 1000Mbps you must use Category 5 cabling b Verify that the device at the other end of the twisted pair segment is on and properly connected to the segment c Verify that the RJ45 connectors on the twisted pair segment have the proper p...

Страница 41: ...use optical instruments to view the laser output The use of optical instruments to view laser output increases eye hazard When viewing the output optical port power must be removed from the network adapter Advertencia Los transmisores receptores de fibra óptica SFP y SFP conectables utilizan sistemas de láser clase 1 No emplee instrumentos ópticos para ver la salida del láser Hacerlo podría increm...

Страница 42: ...nnect from the SSA RJ45 COM port to a PC running a VT series emulation software package Using the UTP cable with RJ45 connectors and an optional RJ45 to DB25 female adapter you can connect from the SSA RJ45 COM port to a VT series terminal or VT type terminals running emulation programs for the VT series Connecting to a PC or Laptop To connect a PC or laptop running the VT terminal emulation to th...

Страница 43: ... Connect the RJ45 connector at one end of the cable to the COM port on the SSA 2 Plug the RJ45 connector at the other end of the cable into the RJ45 to DB25 female adapter 3 Connect the RJ45 to DB25 adapter to the port labeled COMM on the VT terminal 4 Turn on the VT terminal and access the Setup Directory 5 Set the following parameters When these parameters are set the Local Management password s...

Страница 44: ...J45 DB25 Pin Conductor Pin Signal 4 Red 2 Transmit TX 1 Blue 3 Receive RX 6 Yellow 5 Clear to Send CTS 5 Green 7 Ground GRD 2 Orange 20 Data Terminal Ready RJ45 Connector Female Pins 8 1 6 9 DB9 Connector Female 1 5 Pins RJ45 Connector Female Pins 8 1 DB25 Connector Female Pins 25 14 13 1 Note This procedure applies only to initial log in and to logging in to a device not yet configured with admin...

Страница 45: ...mpt displays Leave this string blank and press Enter The device information and SSA prompt appear as shown above The SSA is now ready to be configured For information about setting the IP address and configuring Telnet settings for remote access to SSA management refer to the Enterasys S Series Configuration Guide The CLI commands enable you to initially set up and perform more involved management...

Страница 46: ...Completing the Installation Pin Out Descriptions 2 22 Installation ...

Страница 47: ...rt system and power supply LEDs Port LEDs On the SSA you can view the receive and transmit activity on the RX and TX LEDs for the RJ45 SFP and SFP ports See Figure 3 1 and Figure 3 2 Figure 3 1 RJ45 Port LEDs For information about Refer to page LEDs 3 1 Troubleshooting Checklist 3 5 Replacing the SSA Fans 3 7 Using the OFFLINE RESET Button 3 17 1 RX LED 2 TX LED ...

Страница 48: ...n RX Receive None No link No activity Port enabled or disabled None Green solid Link present port enabled no traffic is being received by the interface None Yellow blinking Link present port enabled traffic is being received by the interface None TX Transmit None Port enabled but no activity If you know the port should be active and is not contact Enterasys Technical Support Green blinking Indicat...

Страница 49: ...5 Port LEDs PoE Mode RX LED Color TX LED Color State Green None There is a connection to the PD and there is 48VDC at the RJ45 connector None Yellow Port is off due to overload attached PD exceeded maximum load Yellow None Port is off due to PoE power management None None Port is off due to another reason 1 SSA system LEDs Table 3 3 System LEDs LED Color State Recommended Action POE Green The RJ45...

Страница 50: ... is pressed for less than 1 second to start an orderly shutdown Amber and off Alternating 67 on 33 off Indicates a shutdown is complete The indication will hold for 60 seconds then automatically restart While in this state you have 60 seconds before the SSA will reboot PWR Off Device not receiving power from power supply Ensure the power cords are plugged in and there is power at the source Contac...

Страница 51: ... VDC to the system Off Power supply malfunctioning Table 3 5 Troubleshooting Checklist Problem Possible Cause Recommended Action All LEDs are OFF Loss of power Ensure the SSA was installed properly according to the installation instructions in Chapter 2 Installation and that the chassis has power No Local Management Password screen Incorrect terminal setup Refer to the S Series Configuration Guide...

Страница 52: ...es into standby for no apparent reason Loop condition detected Verify that Spanning Tree is enabled Refer to the S Series Configuration Guide for the instructions to set the type of STA Review the network design and delete loops If the problem continues contact Enterasys Networks for technical support User parameters IP address device and device name etc were lost when the SSA power was cycled or ...

Страница 53: ... daños al igual que al aparato No enchufe a la corriente hasta que la tapa y los tornillos esten en su lugar Elektrischer Gefahrenhinweis Entfernen sie nicht den Deckel des C wenn dieser noch an die Stromzufuhr angeschossen ist gefährliche Spannungen können Personen verletzten oder das Gerät beschädigen Schalten Sie den SSA nicht ein bevor der Deckel das Gerät abdeckt und mit den Schrauben fixiert...

Страница 54: ...nectors they are located behind fan F7 See Replacing Fans F8 F10 on page 3 12 Fans F11 F13 which are located in the rear of the SSA between the power supply bays Like fans F8 F10 fans F11 F13 do not have adjacent connectors See Replacing Fans F11 F13 on page 3 14 Figure 3 4 SSA Fan Locations Before replacing any of the SSA fans you must first power down the SSA and if installed in an equipment rac...

Страница 55: ...lacing Fans F1 F7 To replace an F1 F7 fan 1 Put on the ESD wrist strap and attach it to the ground receptacle on the front of the SSA 2 Remove the side panel from the SSA by unscrewing the eight zinc silver screws from the side panel See Figure 3 5 Figure 3 5 Removing the Side Panel of the SSA ...

Страница 56: ...l that indicates the position of each fan See Figure 3 6 Figure 3 6 Underside of the SSA Side Panel 4 Remove the failed fan from its position in the SSA 5 Disconnect the failed fan from its connector located to the right of the fan See Figure 3 7 Figure 3 7 Disconnecting an F1 F7 Fan Fan F3 Example 1 Fan F3 connector 2 Fan F3 ...

Страница 57: ...to the SSA and the cable clip on the right See Figure 3 8 Do not remove the cable clip on fans F1 F7 See Figure 3 9 on page 3 12 which shows the cable clip Figure 3 8 Connecting an F1 F7 Fan Fan F3 Example 7 Place the fan in the chassis next to the connector See Figure 3 8 8 Reinstall the side panel of the SSA You can now reinstall the SSA in the equipment rack 1 Fan F3 connector 2 Fan F3 label fa...

Страница 58: ... the position of each fan See Figure 3 6 on page 3 10 4 Disconnect and remove fan F7 to access the F8 F10 bank of connectors located behind fan F7 See Figure 3 10 on page 3 13 which shows the connectors for the F8 F10 fans 5 Lift the failed fan out of the chassis 6 Disconnect the failed fan from the appropriate connector F8 connector left connector F9 connector middle connector F10 connector right...

Страница 59: ...or See Figure 3 10 Figure 3 10 Connecting an F8 F10 Fan Fan F8 Example 10 Feed the excess fan cable into the cable management clip See Figure 3 10 11 Position the cables of the F8 F10 fans on the floor of the SSA 12 Position the F8 F10 fans on top of their cables 13 Reinstall fan F7 14 Reinstall the side panel of the SSA You can now reinstall the SSA in the equipment rack 1 Fan F8 connector 2 F8 F...

Страница 60: ... To replace an F11 F13 fan 1 Put on the ESD wrist strap and attach it to the ground receptacle on the front of the SSA 2 Remove the rear panel of the SSA by unscrewing the four zinc silver screws from the rear panel See Figure 3 11 Figure 3 11 Removing the Rear Panel ...

Страница 61: ... the label on the inside of the rear panel that indicates the position of each fan See Figure 3 12 Figure 3 12 Underside of the SSA Rear Panel 4 Remove the failed fan from the SSA See Figure 3 13 a Lift the failed fan out the SSA Figure 3 13 Disconnecting an F11 F13 Fan Fan F11 Example 1 Fan F11 connector 2 Fan F11 3 Rubber grommet ...

Страница 62: ...or F13 connector right connector 5 Unwind the replacement fan s cables 6 Remove the cable clip from the replacement fan See Figure 3 9 on page 3 12 You may discard the cable clip 7 With the label side of the replacement fan facing into the second power supply bay labeled PS2 and the cable on the left slip the fan cable into the rubber grommet and connect the cable to the chassis connector See Figu...

Страница 63: ...the shutdown routine the CPU LED changes to a 67 33 sequence of amber off respectively indicating the system is in a halt state At this time it is safe to restart the SSA When you initiate a controlled shutdown with the OFFLINE RESET button you have 60 seconds from the time the CPU LED starts flashing amber off until the device automatically restarts Last Resort Shutdown Procedure Using OFFLINE RE...

Страница 64: ...Using the OFFLINE RESET Button 3 18 Troubleshooting ...

Страница 65: ...Assignments A 2 Regulatory Compliance A 3 Table A 1 Specifications Item Specification SSA T4068 0252 Ports Ports 1 through 48 48 10 100 1000BASE T RJ45 ports Ports 49 through 52 4 10GBASE X SFP ports SSA T1068 0652 Ports Ports 1 through 48 48 10 100 1000BASE T RJ45 ports Ports 49 through 52 4 10GBASE X SFP ports SSA G1018 0652 Ports Ports 1 through 48 48 1000BASE T SFP ports Ports 49 through 52 4 ...

Страница 66: ...ts 200 to 240 Vac 7 A at 1200 watts Approximate Weight 1 22 kg 3 1 lb SSA AC PS 625W Input Frequency 50 to 60 Hz Input Voltage Current at Output Power 100 to 240 Vac 8 A at 625 watts Approximate Weight 1 41 kg 2 7 lb Environmental Operating Temperature 5 C to 40 C 41 F to 104 F Storage Temperature 30 C to 73 C 22 F to 164 F Operating Relative Humidity 5 to 95 non condensing Table A 1 Specification...

Страница 67: ... Standard Safety UL 60950 1 FDA 21 CFR 1040 10 and 1040 11 CAN CSA C22 2 No 60950 1 EN 60950 1 EN 60825 1 EN 60825 2 IEC 60950 1 2006 95 EC Low Voltage Directive Electromagnetic Compatibility EMC FCC 47 CFR Part 15 Class A ICES 003 Class A EN 55022 Class A EN 55024 EN 61000 3 2 EN 61000 3 3 AS NZ CISPR 22 Class A VCCI V 3 CNS 13438 BSMI 2004 108 EC EMC Directive Environmental 2002 95 EC RoHS Direc...

Страница 68: ...Regulatory Compliance A 4 Specifications ...

Страница 69: ...ctrico No debe de remover la tapa durente que este coneltado a la corriente una descarga electrica le puede causar y probocarle daños al igual que al aparato No enchufe a la corriente hasta que la tapa y los tornillos esten en su lugar Elektrischer Gefahrenhinweis Entfernen sie nicht den Deckel des SSA wenn dieser noch an die Stromzufuhr angeschossen ist gefährliche Spannungen können Personen verl...

Страница 70: ... the admin password and restores the factory default password on the next power up of the system Once the SSA resets you can either use the factory default settings or reenter your own password Caution An antistatic wrist strap is required to perform the procedures in this appendix Use the antistatic wrist strap to minimize ESD damage to the devices involved Precaución Para llevar a cabo los proce...

Страница 71: ...About the Mode Switches Enterasys S Series Stand Alone SSA Hardware Installation Guide B 3 Figure B 1 Mode Switch Location 1 Switch 8 2 Switch 7 ...

Страница 72: ...power down the SSA 1 Put on the ESD wrist strap and attach it to the ground receptacle on the front of the SSA 2 Remove the rear panel of the SSA by unscrewing the four zinc silver screws from the rear panel See Figure B 2 Figure B 2 Removing the Rear Panel 3 Reset the appropriate switch 4 Replace the rear panel of the SSA ...

Страница 73: ...entations of PoE have been deployed by LAN equipment vendors in 2003 the IEEE published the IEEE 802 3af 2003 specification which is part of the 802 3 suite of standards The S Series devices that support PoE are fully compliant with the IEEE 802 3af and 802 3at standards They support the standard resistor based detection method as well as AC disconnect capability Each PD has a PDC Powered Device C...

Страница 74: ...n of power Manual mode in which the power budget is manually configured using either CLI commands or the MIBs The wattage configured cannot exceed the total power available on the switch for PoE The configured wattage assignment is used to calculate the total available PoE power If the total available PoE power changes a redistribution of available power will occur applying the calculated percenta...

Страница 75: ...y a PD based on the actual power consumption of the attached devices Class mode in which the PoE controller manages power based on the IEEE 802 3at definition of the class limits advertised by the attached devices In this mode the maximum amount of power required by a device in the advertised class is reserved for the port regardless of the actual amount of power being used by the device For more ...

Страница 76: ...Management of PoE Power to PDs C 4 About PoE Power over Ethernet ...

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