Nortel Networks 8250 manual Replacing a power supply module, Removing a power supply module

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46Appendix A Replacing hardware

Replacing a power supply module

The Passport 8250 device is powered by two power supply modules. If a power supply module stops operating, you need to immediately replace it with a dummy power supply filler pack to ensure proper cooling and air flow. You also need to contact your Nortel Networks representative to order a new power supply module.

WARNING

Removing a power supply module

Turn the power off and let the unit cool before removing a power supply module.

1For each power supply module, set the power supply breaker to off.

Breaker is off

2Disconnect the power feed at the power distribution source.

3Using a screwdriver, loosen the four securing screws on the sides the power supply module.

241-5101-200 R2.2

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Contents Installation Page Installation GuidePage Publication history OctoberPublication history 241-5101-200 R2.2 Contents Chapter Installing the Passport 8250 device Chapter Preparing for the hardware installationChapter Configuring the Passport 8250 for operations Appendix B LEDs Appendix C Standards ContentsAppendix a Replacing hardware IndexContents 241-5101-200 R2.2 What you need to know About this documentWho should read this guide How this guide is organizedConventions Documentation conventionsRelated documents Symbol conventionsPassport documents Nortel support services NMS documentsChapter Passport Passport 8250 functionsPassport 8250 hardware Passport 8250 deviceBoard modules Passport 8250 front panelCommunication ports Dual power supply modulesFan module Passport 8250 software Software compatibilityPassport 241-5101-200 R2.2 Chapter Preparing for the hardware installation Selecting an installation siteTaking inventory of the Passport 8250 shipment Unpacking the Passport 8250 shipmentRisk damage to the equipment Inventory checklist Options available Code # Getting the tools to mount the chassis in a rack Safety precautions Chapter Installing the Passport 8250 deviceMounting the chassis in a rack Mounting the Passport 8250 device on a 19 rack Ventilation spaceInstalling the chassis on a 19 rack Attaching mounting brackets to chassisInstalling the chassis on a Etsi or NEBs rack Mounting the Passport 8250 device on a Nebs or Etsi rackConnecting the DS-1/E1 ports Connecting cables to the portsDS-1 / E1 port connections DS-1/E1 pin assignment Description Signal Pin Connecting the ethernet port Connecting the serial port Connecting the dual power supply Connecting the ATM uplink portDual power supply Antistatic protectionSecuring the cables to the rack Cables left of chassis Cables underneath chassis Logging into the CLI Chapter Configuring the Passport 8250 for operationsStarting the Passport 8250 device and logging into the CLI Configuring the Passport 8250 device for remote access Breaker is off. Turn to onSetting the boot parameters Viewing the boot parametersBoot command parameters Boot parameter Description Configuring the clocking scheme Clockconfig command parameters Parameter Values Definition Setting the clocking scheme to External Primary ExampleSetting the clocking scheme to ExternalSecondary E1-1clockconfig setSetting the reference clock to internal Appendix a Replacing hardware Field-replaceable modulesReplacing a power supply module Removing a power supply moduleReplacing a board module Board slots Passport 8250 board guidelines Replacing the fan moduleRotating fan Confirm that the fan LED is off 241-5101-200 R2.2 Appendix B LEDs Service boards Network board Fan module Power supply Passport 8250 LedsLEDs description Color Description Appendix B LEDs 241-5101-200 R2.2 Appendix C Standards Product safety standardsElectromagnetic compatibility standards Telecom standards Thermal, mechanical, and power standardsRegulatory information standards Federal Communications Commission FCC Industry Canada Notice Equipment attachment limitationAppendix C Standards Index Index 241-5101-200 R2.2 Page Installation

241-5101-200, 8250 specifications

Nortel Networks 8250, model 241-5101-200, is a prominent component in the realm of telecommunications and networking equipment. Designed for high-performance networking solutions, the 8250 plays a crucial role in delivering reliable voice and data services across various applications. Its architecture embodies several advanced features and technologies that cater to the growing demands of enterprise networks.

One of the main features of the Nortel 8250 is its robust scalability. The device supports a modular approach, allowing organizations to expand their networking capabilities easily as their needs grow. This scalability ensures that the 8250 can accommodate a wide range of applications, from small to large-scale operations, without compromising performance.

The 8250 demonstrates exceptional performance through its high-speed data processing capabilities. It is designed to handle increased traffic loads while maintaining low latency and high throughput. This makes it particularly suitable for environments where quick data access and communication are imperative, such as in VoIP and video conferencing applications.

In terms of technology, the Nortel 8250 integrates advanced switching and routing protocols, effectively facilitating efficient data management across the network. Its support for both IPv4 and IPv6 ensures compatibility with current and future networking standards, making it a future-proof solution for enterprises that require adaptability amidst evolving technology landscapes.

Security is another critical characteristic of the Nortel 8250. The device incorporates various security features to protect against potential threats and unauthorized access. This is particularly important in today’s networking environment, where data breaches and cyber threats are increasingly prevalent.

The Nortel 8250 also excels in its ease of management. With user-friendly interfaces and robust monitoring tools, network administrators can effectively manage and configure the device with minimal effort. This streamlined management contributes to reduced operational costs and increased productivity for organizations.

Overall, the Nortel Networks 8250, model 241-5101-200, stands out as a versatile and powerful networking solution. Its scalability, high performance, advanced technologies, strong security, and ease of management make it a valuable asset for any organization looking to enhance its networking capabilities. As businesses continue to evolve and demand more from their networks, devices like the Nortel 8250 will remain crucial in meeting those challenges head-on.