HP Rp5000 - Point of Sale System Installation and maintenance instructions

Network & Internet
Communications Guide
Business Desktops
Document Part Number: 312968-003
November 2004
This guide provides definitions and instructions for using network
interface controller (NIC) features that are preinstalled on select
models. It also provides information about Internet Service Providers
and solving Internet access problems.

© Copyright 2004 Hewlett-Packard Development Company, L.P.
The information contained herein is subject to change without notice.
Microsoft, MS-DOS, Windows, and Windows NT are trademarks of Microsoft
Corporation in the U.S. and other countries.
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.
This document contains proprietary information that is protected by copyright.
No part of this document may be photocopied, reproduced, or translated to
another language without the prior written consent of Hewlett-Packard
Company.
ÅWARNING: Text set off in this manner indicates that failure to follow
directions could result in bodily harm or loss of life.
ÄCAUTION: Text set off in this manner indicates that failure to follow
directions could result in damage to equipment or loss of information.
Network & Internet Communications Guide
Business Desktops
First Edition (February 2003)
Third Edition (November 2004)
Document Part Number: 312968-003

Network & Internet Communications Guide www.hp.com iii
Contents
1 Network Communications
Ethernet Network Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2
NIC-Based Alerts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–3
Wake-On-LAN Support (WOL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–4
Interpreting the Network Status Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–5
Disabling 802.3u Auto-Negotiation Capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–6
Installing Network Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–8
Wireless Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–9
Ad-hoc Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–9
Access Point (Infrastructure) Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–9
Advantages of Wireless Networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–10
2 Internet Communications
Choosing an Internet Service Provider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1
Content Advisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2
Restricting Internet Content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2
Solving Internet Access Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–4

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Contents

Network & Internet Communications Guide www.hp.com 1–1
1
Network Communications
The following items are covered in this section:
■Ethernet Network Structure
■Network Interface Controller (NIC)-Based Alerts
■Wake-On-Lan (WOL) Support
■Interpreting the Network Status Lights
■Disabling the Autosensing Capabilities
■Installing Network Drivers
■Wireless Networks
This section provides information about Ethernet networks and the
hardware connectors and software device drivers that allow you to
access an Ethernet network. Access to a computer network
immediately increases your productivity potential. Once the network
connection is active, you can share resources, such as a printer,
exchange information from computer to computer, and run common
software programs.
The computer comes network-ready, which means that it has an
integrated network controller and network device drivers already
loaded onto the computer hard drive. The computer is ready to make
the network connection.

1–2 www.hp.com Network & Internet Communications Guide
Network Communications
Ethernet Network Structure
All Ethernet networks include some combination of the following
elements:
Ethernet Network Structure
Refer to the Hardware Reference Guide on the Documentation CD
for network connector identification.
1Ethernet cable 3Drop cables
2Information packets 4Workstations

Network & Internet Communications Guide www.hp.com 1–3
Network Communications
NIC-Based Alerts
Some NICs feature Alerting Capabilities, which allow a system
administrator to monitor the computer over the network remotely.
The computer can send hardware and operating system alerts over the
network before the operating system is loaded, while the operating
system is loaded, while the computer is in low power states, and when
the computer is powered off. Depending on the NIC model, these
alerts can be monitored in the following states:
■System BIOS hang—On action
■Operating system hang—On action
■Processor missing—On power up
■Operating temperature exceeded—On action
■Chassis intrusion—On power up/or on action if system is running
■Watchdog—On action (same as Operating system hang)
■Heartbeat monitoring—Always
✎NICs featuring Alerting Capabilities comply with Alert Standard
Format (ASF) specification 2.0 and support Remote Management and
Control Protocol (RMCP) based alerts. ASF 1.0 implementations will
not support RMCP due to lack of security in the ASF 1.0
specification.
NIC-Based Alerts are enabled and configured by installing the ASF
2.0 agents for the NIC you are using. These are available at
www.hp.com. ASF alerts can also be enabled and configured using
the Common Information Model (CIM).

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Network Communications
Wake-On-LAN Support (WOL)
Wake-On-Lan (WOL) can be enabled and disabled in Windows XP
and Windows 2000.
To enable or disable Wake-On-Lan:
Windows XP
1. Select Start > Control Panel.
2. Double-click Network Connections.
3. Double-click Local Area Connection.
4. Click Properties.
5. Click Configure.
6. Click the Power Management tab, then select or clear the check
box to Allow this device to bring the computer out of standby.
Windows 2000
1. Select Start > Settings > Control Panel.
2. Double-click Network and Dial-up Connections.
3. Right-click Local Area Connection.
4. Click Properties.
5. Click Configure.
6. Click the Power Management tab, then select or clear the check
box to Allow this device to bring the computer out of standby.
✎For more information on Wake-On-LAN, refer to the Remote
Management Administrators Guide. The Remote Management
Administrators Guide is included with the Remote Management
Setup Utilities and is available on the Support Software CD or at
www.hp.com.

Network & Internet Communications Guide www.hp.com 1–5
Network Communications
Interpreting the Network Status Lights
Select Ethernet network interface controllers include network status
lights:
■Link light—illuminates when the system is physically connected
to an active network.
■Activity light—illuminates when the computer detects network
activity. When the system is connected to a highly used
network, the activity light will remain on almost constantly.
■Operating Speed light—illuminates during 1000 Mbps or
100 Mbps operation. The color of the light identifies the
operating speed.
Some NICs include only two network status lights where link
(light on) and activity (light blinking) are indicated by one light and
1000-Mbps or 100-Mbps operation is indicated by the second light.
The integrated NIC has two network status lights on the NIC
connector:
■Link/Activity light—Illuminates green when physically linked to
the network and blinks on and off to indicate network activity.
■Operating Speed light—Illuminates green when operating at
1000 Mbps, yellow when operating at 100 Mbps, and is not
illuminated when operating at 10 Mbps.

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Network Communications
Disabling 802.3u Auto-Negotiation Capabilities
Auto-Negotiation NICs automatically determine the maximum
network operating speed and duplex capabilities of the attached
network and configure themselves on the highest common
combination. The computer begins Auto-Negotiation whenever it
obtains a valid network link, or when the NIC driver is loaded.
In addition to determining the network operating speed, the computer
determines if full-duplex is supported. Full-duplex systems can
transmit and receive information on the network simultaneously.
Half-duplex systems cannot transmit and receive simultaneously.
If necessary, you can disable the Auto-Negotiation capabilities and
force the system to operate in one mode only.
Windows XP
1. Select Start > Control Panel.
2. Double-click Network Connections.
3. Double-click Local Area Connection.
4. Click Properties.
5. Click Configure.
6. Click the Advanced tab.
7. Select Link Speed & Duplex in the Property list box.
8. Change the speed and duplex values to the appropriate values,
depending on the capabilities of the network.
9. Click OK. You may be prompted to restart the computer for the
changes to take effect.
Windows 2000
1. Select Start > Settings > Control Panel.
2. Double-click Network and Dial-up Connections.
3. Right-click Local Area Connection.
4. Click Properties.
5. Click Configure.