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HP ProCurve 3400cl-48G User Manual

HP ProCurve 3400cl-48G
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4-9
Troubleshooting
Hardware Diagnostic Tests
Troubleshooting
Hardware Diagnostic Tests
Testing the Switch by Resetting It
If you believe the switch is not operating correctly, you can reset the switch
to test its circuitry and operating code. To reset a switch, either:
unplug and plug in the power cord (power cycling)
press the Reset button on the front of the switch
Power cycling the switch and pressing the Reset button both cause the switch
to perform its power-on self test, which almost always will resolve any
temporary operational problems. These reset processes also cause any
network traffic counters to be reset to zero, and cause the System Up Time
timer to reset to zero.
Checking the Switch LEDs
The self test passes if the Fault and Self Test LEDs on the front of the switch
go off after approximately 50 seconds. If these LEDs stay on longer than 60
seconds or begin blinking, there may be a problem with the switch.
See “Diagnosing With the LEDs” on page 4-4 for information on interpreting
the LED patterns and LED behaviors in chapter one.
Checking Console Messages
Useful diagnostic messages may be displayed on the console screen when the
switch is reset. As described in chapter 2 under step 7, “Connect a Console to
the Switch”, connect a PC running a VT-100 terminal emulator program or a
standard VT-100 terminal to the switch’s Console Port and configure it to run
at 9600 baud, and with the other terminal communication settings shown on
page 2-24. Then, when you reset the switch, note the messages that are
displayed. Additionally, you can check the switch event log, which can be
accessed from the console using the show log command, or from the console
Main Menu.

Table of Contents

Questions and Answers:

HP ProCurve 3400cl-48G Specifications

General IconGeneral
ModelHP ProCurve 3400cl-48G
Ports48
Jumbo Frame SupportYes
ManageableYes
Uplink Ports4 x SFP
ManagementWeb, CLI, SNMP
Power SupplyInternal
FeaturesVLAN, QoS
Operating Temperature0°C to 45°C (32°F to 113°F)
Operating Humidity15% to 95% non-condensing
MAC Address Table Size16, 000 entries

Summary

Introducing the Switch

Front Panel Components

Details the indicators (LEDs, expansion LEDs) and controls (buttons) on the front panel.

Network Ports

Explains the different types of network ports available, including dual-personality ports.

Switch LEDs

Explains the meaning and states of various LEDs on the switch.

Back Panel Components

Details the console port and power connector located on the back of the switch.

Switch Features

Lists the main features and functionalities of the Series 3400cl Switch.

Installing the Switch

Included Parts

Lists the components shipped with the Series 3400cl Switch devices.

Installation Procedures

Summarizes steps: Prepare site, install modules/transceivers, verify self-test, mount, connect power/cables, connect optional components.

Installation Precautions

Provides essential safety and operational precautions before installing the switch.

Sample Network Topologies

Illustrates various implementations: desktop, segment, backbone, stacking, and redundant topologies.

Getting Started With Switch Configuration

Recommended Minimal Configuration

Outlines essential configuration steps for initial switch setup.

Console Setup Screen Usage

Guide to configuring the switch using the console setup screen.

Post-Configuration Guidance

Provides guidance on next steps after initial configuration.

Remote Management Access

Steps for accessing the switch via Telnet or web browser.

Troubleshooting Guide

Basic Troubleshooting Tips

General tips for identifying and resolving common switch problems.

Diagnosing Issues with LEDs

Explains how to interpret LED patterns for problem diagnosis.

Proactive Network Management Tools

Discusses built-in management capabilities for proactive network management.

Hardware Diagnostic Procedures

Covers resetting the switch, checking console messages, and other diagnostic tests.

Factory Default Reset

Steps to reset the switch to its original factory default settings.

Software Updates and Support

Information on software updates and contacting customer support.

Product Specifications

Physical, Electrical, and Environmental Specs

Details physical, electrical, and environmental specifications of the switch.

Acoustic, Connector, Safety, and Laser Info

Covers acoustic levels, connector standards, safety, and laser information.

Switch Ports and Network Cables

Switch Ports Overview

Describes the RJ-45 ports and their cable compatibility.

Twisted-Pair Cable Types and Wiring

Details requirements for twisted-pair cables, including types, wiring, pin-outs, and Auto-MDIX.

Fiber-Optic Cable Requirements

Specifies requirements for fiber-optic cables like 1000Base-SX, -LX, and -LH.

Mode Conditioning Patch Cords

Explains the need for and installation of mode conditioning patch cords for Gigabit-LX.

Recommended Patch Cords

Information on tested and recommended patch cords.

Safety and EMC Regulatory Statements

General Safety Information

General safety guidelines, including grounding and servicing precautions.

EMC Regulatory Compliance

Provides EMC compliance statements for USA, Canada, Australia/New Zealand, Japan, Korea, Taiwan, and European Community.

Recycle Statements

WEEE Disposal Information

Information regarding the disposal of waste electrical and electronic equipment.

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