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Nortel Networks 241-5101-200, 8250 manual Attaching mounting brackets to chassis

Models: 241-5101-200 8250

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Chapter 3 Installing the Passport 8250 device 27

Figure 4

Attaching mounting brackets to chassis

Secure mounting

brackets to the unit

using the ﬁxing

holes indicated

Figure 5

Installing the chassis on a 19” rack

Secure the unit to the rack in four places

Allow a minimum of 2SU (88.9 mm) above the unit for cabling

Temporary ﬁxing for installation aid

Passport 8250 Installation Guide R2.2

Image 27

Nortel Networks 241-5101-200, 8250 manual Attaching mounting brackets to chassis, Installing the chassis on a 19 rack

Contents

Installation Page Guide InstallationPage October Publication historyPublication history 241-5101-200 R2.2 Contents Chapter Preparing for the hardware installation Chapter Installing the Passport 8250 deviceChapter Configuring the Passport 8250 for operations Index ContentsAppendix a Replacing hardware Appendix B LEDs Appendix C StandardsContents 241-5101-200 R2.2 How this guide is organized About this documentWho should read this guide What you need to knowDocumentation conventions ConventionsSymbol conventions Related documentsPassport documents NMS documents Nortel support servicesPassport 8250 functions Chapter PassportPassport 8250 device Passport 8250 hardwarePassport 8250 front panel Board modulesDual power supply modules Communication portsFan module Software compatibility Passport 8250 softwarePassport 241-5101-200 R2.2 Selecting an installation site Chapter Preparing for the hardware installationUnpacking the Passport 8250 shipment Taking inventory of the Passport 8250 shipmentRisk damage to the equipment Inventory checklist Options available Code # Getting the tools to mount the chassis in a rack Chapter Installing the Passport 8250 device Safety precautionsMounting the chassis in a rack Ventilation space Mounting the Passport 8250 device on a 19 rackAttaching mounting brackets to chassis Installing the chassis on a 19 rackMounting the Passport 8250 device on a Nebs or Etsi rack Installing the chassis on a Etsi or NEBs rackConnecting cables to the ports Connecting the DS-1/E1 portsDS-1 / E1 port connections DS-1/E1 pin assignment Description Signal Pin Connecting the ethernet port Connecting the serial port Connecting the ATM uplink port Connecting the dual power supplyAntistatic protection Dual power supplySecuring the cables to the rack Cables left of chassis Cables underneath chassis Chapter Conﬁguring the Passport 8250 for operations Logging into the CLIStarting the Passport 8250 device and logging into the CLI Breaker is off. Turn to on Conﬁguring the Passport 8250 device for remote accessViewing the boot parameters Setting the boot parametersBoot command parameters Boot parameter Description Conﬁguring the clocking scheme Clockconﬁg command parameters Parameter Values Definition Example Setting the clocking scheme to External PrimaryE1-1clockconfig set Setting the clocking scheme to ExternalSecondarySetting the reference clock to internal Field-replaceable modules Appendix a Replacing hardwareRemoving a power supply module Replacing a power supply moduleReplacing a board module Board slots Replacing the fan module Passport 8250 board guidelinesRotating fan Conﬁrm that the fan LED is off 241-5101-200 R2.2 Appendix B LEDs Passport 8250 Leds Service boards Network board Fan module Power supplyLEDs description Color Description Appendix B LEDs 241-5101-200 R2.2 Product safety standards Appendix C StandardsElectromagnetic compatibility standards Thermal, mechanical, and power standards Telecom standardsRegulatory information standards Industry Canada Notice Equipment attachment limitation Federal Communications Commission FCCAppendix C Standards Index Index 241-5101-200 R2.2 Page Installation