HP ProCurve 420 User manual

hp procurve
wireless access point 420
installation and
getting started guide
www.hp.com/go/hpprocurve

HP ProCurve
Wireless Access Point 420
Installation and Getting Started Guide

Hewlett-Packard Company
8000 Foothills Boulevard, m/s 5552
Roseville, California 95747-5552
http://www.hp.com/go/hpprocurve
© Copyright 2004 Hewlett-Packard Development Company,
L.P. The information contained herein is subject to change
without notice.
This document contains proprietary information, which is
protected by copyright. No part of this document may be
photocopied, reproduced, or translated into another language
without the prior written consent of Hewlett-Packard.
Publication Number
5990-6005
May 2004
Edition 3
Applicable Products
Disclaimer
HEWLETT-PACKARD COMPANY MAKES NO WARRANTY
OF ANY KIND WITH REGARD TO THIS MATERIAL,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. Hewlett-Packard shall not be
liable for errors contained herein or for incidental or consequential
damages in connection with the furnishing, performance, or use
of this material.
The only warranties for HP products and services are set forth in
the express warranty statements accompanying such products and
services. Nothing herein should be construed as constituting an
additional warranty. HP shall not be liable for technical or editorial
errors or omissions contained herein.
Hewlett-Packard assumes no responsibility for the use or
reliability of its software on equipment that is not furnished by
Hewlett-Packard.
Warranty
See the Customer Support/Warranty booklet included with the
product.
A copy of the specific warranty terms applicable to your Hewlett-
Packard products and replacement parts can be obtained from your
HP Sales and Service Office or authorized dealer.
Safety
Before installing and operating these products, please read the
“Installation Precautions” in chapter 2, “Installing the Access
Point 420”, and the safety statements in appendix C, “Safety and
Regulatory Statements”.
HP ProCurve Wireless Access Point 420 na (J8130A)
HP ProCurve Wireless Access Point 420 ww (J8131A)

i
Contents
1 Introducing the HP ProCurve Wireless Access Point 420
Top of the Access Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Back of the Access Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Console Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Network Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Power Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Reset Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Access Point Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
2 Installing the Access Point 420
Included Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Installation Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Installation Precautions: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
1. Prepare the Installation Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
2. Verify the Access Point Passes the Self Test . . . . . . . . . . . . . . . . . . . 2-5
LED Behavior: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
3. Mount the Access Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Wall Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Horizontal Surface Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
4. Connect the Access Point to a Power Source . . . . . . . . . . . . . . . . . . 2-9
5. Connect the Network Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Using the RJ-45 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
6. Position the Antennas on the Access Point . . . . . . . . . . . . . . . . . . . 2-10
7. (Optional) Connect a Console to the Access Point 420 . . . . . . . . . 2-11
Terminal Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Direct Console Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Sample Network Topologies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
Ad Hoc Wireless LAN (no access point) . . . . . . . . . . . . . . . . . . . . . . . 2-14

ii
Infrastructure Wireless LAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Infrastructure Wireless LAN for Roaming Wireless PCs . . . . . . . . . . 2-16
3 Getting Started With Access Point Configuration
Recommended Minimal Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Using the Command Line Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Where to Go From Here . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Using the IP Address for Remote Access Point Management . . . . . 3-8
Starting a Telnet Session . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Starting a Web Browser Session . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
4 Using an External Antenna with the Access Point 420
External Antenna Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Installation Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
1. Plan the Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
2. Mount the Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
3. Connect Pigtail Cables to the Access Point . . . . . . . . . . . . . . . . . . . . 4-4
4. Configure the Antenna Mode and Transmit Power Control Limits 4-6
Setting the Antenna Mode Using the CLI . . . . . . . . . . . . . . . . . . . . 4-8
Setting the Antenna Mode Using the Web Interface . . . . . . . . . . . 4-9
Setting Transmit Power Limits Using the CLI . . . . . . . . . . . . . . . . 4-9
Setting Transmit Power Limits Using the Web Inteface . . . . . . . 4-10
5 Troubleshooting
Basic Troubleshooting Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Diagnosing with the LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Proactive Networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Hardware Diagnostic Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Testing the Access Point by Resetting It . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Checking the Access Point’s LEDs . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Checking Event Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Testing Twisted-Pair Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Testing Access Point-to-Device Network Communications . . . . . . . . 5-7
Testing End-to-End Network Communications . . . . . . . . . . . . . . . . . . 5-7

iii
Restoring the Factory Default Configuration . . . . . . . . . . . . . . . . . . . 5-8
Downloading New Access Point Software . . . . . . . . . . . . . . . . . . . . . . . 5-9
HP Customer Support Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
Before Calling Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
A Specifications
Physical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
EMC Compliance (Class B) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Radio Signal Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Immunity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Wireless . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3
Receiver Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3
B Access Point Port and Network Cables
Access Point Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
Twisted-Pair Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
Twisted-Pair Cable/Connector Pin-Outs . . . . . . . . . . . . . . . . . . . . . . . B-2
Straight-Through Twisted-Pair Cable for
10 Mbps or 100 Mbps Network Connections . . . . . . . . . . . . . . . . . . . . B-3
Cable Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-3
Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-3
Crossover Twisted-Pair Cable for
10 Mbps or 100 Mbps Network Connection . . . . . . . . . . . . . . . . . . . . . B-4
Cable Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-4
Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-4
C Safety and EMC Regulatory Statements
Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1
EMC Regulatory Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-9
Index

— This page is intentionally unused. —

1-1
Introducing the HP ProCurve
Wireless Access Point 420
1
Introducing the HP ProCurve
Wireless Access Point 420
The HP ProCurve Wireless Access Point 420 is a wireless repeater that seam-
lessly integrates with existing wired networks to support connectivity for
mobile users or wireless workstations. This solution offers fast, reliable
wireless connectivity with considerable cost savings over wired LANs. Just
install enough wireless access points to cover your network area, plug wire-
less cards into your notebooks or install wireless adapters into your desktops,
and start networking.
hp procurve
wireless
access point
420
Link/Activity
Wireless
10/10 0 -TX
Pow e r
HP ProCurve Wireless Access Point 420 na (J8130A)
HP ProCurve Wireless Access Point 420 ww (J8131A)

1-2
Introducing the HP ProCurve Wireless Access Point 420
Introducing the HP ProCurve
Wireless Access Point 420
Throughout this manual, this access point will be abbreviated as the
Access Point 420.
The Access Point 420 has one 10/100Base-TX RJ-45 port. This port also
supports Power over Ethernet (PoE) based on the IEEE 802.3af standard. The
access point supports wireless connectivity at speeds up to 54 Mbps based on
the IEEE 802.11g standard.
This access point is designed to be used primarily for connecting wireless
clients to an enterprise network. This access point allows wireless clients to
connect directly to each other, or to connect to other computers or network
resources located on the wired network.
This chapter describes your HP Access Point 420 including:
■Top and back of the access point
■Access point features