Vanguard Managed Solutions 342 Thermal Considerations, Fan, Inlet Temperature, Power Supply

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		Installing The Vanguard 342
Thermal Considerations
Introduction
Introduction		This section explains some of the heat and temperature factors that can affect your
		Vanguard 342.
Fan
Fan		After the unit is installed, power it up and check that the fan is working properly. The
		feet must be installed and air should be blowing out of the unit.
Inlet Temperature
Inlet Temperature		After the unit is running, check the ambient air temperature. Make sure it does not
		exceed the operating temperature limits specified in Appendix A.
Power Supply
Power Supply		If the Vanguard 342 power supply is not properly vented, the external power supply
Shutdown		overheats and shuts down.

Installation and Replacement

3-7

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Contents Vanguard Managed Solutions Restricted Rights Legend Restricted Rights Notification for U.S. Government UsersRadio Frequency Interference Regulations Proprietary MaterialTelecommunications Regulations Page Contents Contents Overview About This ManualThis Chapter Description Other About This Manual Related DocumentationDocumentation Documentation Kit IncludesAbout This Manual Page Simplified Chinese Danish Særlige Special Notices and TranslationsOverskrifter Vermeldingen Dutch BijzondereFinnish Erityisilmoitukset French MessagesHinweise German BesondereItalian Simboli specialiMerknader Japanese Korean Norwegian SpesielleSpanish/Spain Notificaciones Portuguese PortugalEspeciales Swedish SpeciellaVarning Customer Customer InformationQuestions Comments AboutPage Customer Response Card Page Chapter Description Vanguard 342 DescriptionLimitations Features and Functionality Functionality DaughtercardTarget Applications Virtual Private Network What is a VPN? Advantages of aRequirements of a Hardware Options Hardware-based VPN Solution for Site-to-Site ApplicationsIPSec Standard-based Tunneling and Encryption for IP TrafficEncryption over IP, Frame Relay, and X.25 Networks Security FeaturesIP and Serial Protocols over Frame Relay IP and Serial Protocols over Frame RelayVideo and Serial Protocols over Public or Private Networks Video and Serial Protocols over Public or Private NetworksSpeeds DSU DIM, FXS/FXO Application Daughtercard Application Description Type UsedSmall Home and Branch Office to Central Office Application Soho and Branch Office to Central Office over IsdnOffice Type Daughtercard Used Description 342 DSL/Cable ModemShdsl Daughtercard LAN Over WAN G.SHDSL Daughtercard InstalledLAN Segmentation LAN Segmentation10. Vlan Virtual LAN VlanLimitation Clocking Limitations VanguardVanguard 342 DCE INT -- VG6560/VG320/VG64xx EXT at 1.5 Mbps Vanguard 342 DCE INT -- VG6560 SDB2 EXTHardware Description Overview ChapterIntroduction Vanguard 342 Enclosure Front Panel EnclosureVanguard 342 Rear Panel Rear PanelGeneral MotherboardMotherboard AccessDaughtercards Vanguard 340 Compatible Flash Simm Devices are as follows Vanguard 342 Compatible Flash Simm Devices are as followsDIM Vanguard DaughtercardsCompatibility Port FXS/FXO Voice Daughtercard Connector FXO Daughtercard Dual E&M 10. Dual E&M Daughtercard ConnectorIsdn Enhanced Isdn BRI-S/T Data Isdn BRI Voice 12. Isdn and Enhanced Isdn BRI-S/T Daughtercard Connector14. DSU Daughtercard Connector Modem 16. V.90 Daughtercard ConnectorsPage Installation and Replacement Checking Your Shipment Contents Installing The Vanguard Selecting and Preparing the Installation Site Proper Cable and Air Clearance Installation Installing Your VanguardStep Action Power Supply Inlet TemperatureThermal Considerations FanInterface Type Configuring the Serial InterfaceInterface Option Configure Port Setting the Interface TypeParameter Step Action Result/DescriptionPort Setting the Interface OptionsEnter Types Panel Cabling the VanguardCharacteristics Cable Requirements Port Characteristics and CablingPort Connector Interface Cable Required Speed Application SpecificDCE DTEConfigure port ConnectorsCable Information RJ45 Pinout RJ45 Pin Signal Pin Connection On DB25F Adapter10/100BaseT Adapter Cable Pin SignalTest Mode External Transmit Clock Make Busy Function/Signal Port DTE Signal using Pin NamePort3 Adapter CableCLOCK-B External External Transmit CLOCK-A DB25 V.35/V.36 PinoutsCONTROL-B Signal Element Port DCE Signal Function/Signal DTE Signal Pin Name UsingTIMING-A Received DATA-B TIMING-B External Transmit Clock B Clock aCrossover Cable Connections Connections modeModifying Your Vanguard Vanguard Installing Vanguard DaughtercardsAccessing Accessing the MotherboardVanguard 342 Motherboard Removal and Replacement Installing Motherboard Procedure forRemoving Motherboard StepSdram Dimm Adding and Removing Memory ModulesFlash Simm Adding/Removing Data Compression Encryption Simm Adding/RemovingSimm and Dimm Installation/Replacement Location of Motherboard Components Sdram Dimm Flash Simm Simm and Dimm SlotsInstalling/Removing the Lithium Battery Removing Installing BatteryPage Powering Up and Loading Software Overview Powering On Powering Up Your VanguardResetting Approved Practice for Powering Down a Vanguard Unit Powering Off The VanguardPowering Off The Vanguard Detailed Front Powerup DiagnosticsPanel LEDs When This indicates Power UpSequence GreenAccessing the Control Terminal Port Using SoTCP Using RemoteTelnet EnterWhere to Get Obtaining and Installing Operating SoftwareOperating Software Filename Description File FormatsHardware SpecificationsSoftware Specifications Software License and Regulatory Information Overview Appendix BRJ48S How to Order ConnectionsRJ49C RJ48CTelephone Customer-ProvidedEquipment CE Marking Product Declarations and Regulatory InformationVerklaring van overeenstemming Declarations ConformityItalian Dichiarazione di conformità Product Declarations and Regulatory Information Page Limited Warranty Page For Locations Contact Return Procedures IntroductionFactory Repair Numerics IndexCTP Simm Index-3