Cayman Systems 3220-H Series User manual

Cayman 3220-H
User’s Guide
Release 5.6.2
November 2000

Copyrights
Copyright © 1999-2000 Cayman Systems
All rights reserved
Printed in the United States of America
Portions of this software copyright 1988, 1991 by Carnegie Mellon University.
All rights reserved. Permission to use, copy, modify, and distribute this software
and its documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice and this permission notice appear in
supporting documentation, and that the name of Carnegie Mellon University
not be used in advertising or publicity pertaining to distribution of the software
without specific, written prior permission.
CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL CMU BE LIABLE
FOR ANY SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA, OR
PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE, OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
THE USE OR PERFORMANCE OF THIS SOFTWARE.
Trademarks
Cayman Systems is a registered trademark of Cayman Systems, Inc. SWIFT-IP,
SafetyNet, Zero Configuration, and the Cayman Systems logo are trademarks of
Cayman Systems, Inc.
UNIX is a registered trademark of UNIX System Laboratories, Inc. Ethernet is a
registered trademark of Xerox Corporation. Microsoft and Windows are
registered trademarks of Microsoft Corporation.
Mention of third-party products is for informational purposes only and
constitutes neither an endorsement nor a recommendation. Cayman assumes
no responsibility with regard to the performance or use of these products.

Cayman 3220-H User’s Guide Contents
December 2000
iii
Contents
Preface
About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .vii
Who Should Read This Manual . . . . . . . . . . . . . . . . . . . . . . . . . .vii
What This Manual Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .vii
Documentation Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . viii
1 About Your
Cayman 3220-H
What’s New in Release 5.6.2. . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Cayman 3220-H Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Cayman 3220-H Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Cayman 3220-H Back Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
2 Setting Up Your
Cayman 3220-H
Unpacking Your Cayman 3220-H . . . . . . . . . . . . . . . . . . . . . . . 2-1
Connecting Your Cayman 3220-H. . . . . . . . . . . . . . . . . . . . . . . 2-2
Step 1: Position the Cayman 3220-H . . . . . . . . . . . . . . . . . 2-2
Step 2: Connect Your Local Devices . . . . . . . . . . . . . . . . . 2-3
Step 3: Connect Your Wide Area Network . . . . . . . . . . . . 2-4
Step 4: Power On the Cayman 3220-H. . . . . . . . . . . . . . . . 2-4
Disconnecting Your Cayman 3220-H . . . . . . . . . . . . . . . . . . . . 2-5
3 Configuring
Your Cayman
3220-H
Gathering Configuration Information . . . . . . . . . . . . . . . . . . . . 3-2
QuickStart Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Ethernet (LAN) Port Information (Optional) . . . . . . . . . . . 3-3
ATM Port Information (Optional). . . . . . . . . . . . . . . . . . . . 3-5
Configuring Your Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Opening a Web Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Entering Basic Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11

Contents Cayman 3220-H User’s Guide
iv
December 2000
Default QuickStart Window . . . . . . . . . . . . . . . . . . . . . . . 3-11
RFC-1483 QuickStart Window . . . . . . . . . . . . . . . . . . . . . 3-13
Entering Ethernet (LAN) Settings. . . . . . . . . . . . . . . . . . . . . . . 3-15
Entering ATM Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
PPP over Ethernet (LLC-SNAP Encapsulation) . . . . . . . . . 3-19
PPP over Ethernet (VC-Muxed). . . . . . . . . . . . . . . . . . . . . 3-23
Ethernet over RFC 1483 (LLC-SNAP Encapsulation) . . . . . 3-27
Ethernet over RFC 1483 (VC-Muxed) . . . . . . . . . . . . . . . . 3-31
PPP over ATM (LLC-SNAP Encapsulation). . . . . . . . . . . . . 3-34
PPP over ATM (VC-Muxed) . . . . . . . . . . . . . . . . . . . . . . . . 3-39
IP over RFC 1483 (LLC-SNAP Encapsulation) . . . . . . . . . . 3-43
IP over RFC 1483 (VC-Muxed) . . . . . . . . . . . . . . . . . . . . . 3-46
Configuring Password Settings . . . . . . . . . . . . . . . . . . . . . . . . 3-50
Configuring Pinhole Settings . . . . . . . . . . . . . . . . . . . . . . . . . . 3-52
Configuring Bridge Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-56
Configuring SNMP Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-57
4 Using the
Command Line
Interface
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Starting and Ending a CLI Session . . . . . . . . . . . . . . . . . . . . 4-1
Using the CLI Help Facility . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Saving Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
About Root Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
ROOT Prompt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
ROOT Command Shortcuts. . . . . . . . . . . . . . . . . . . . . . . . . 4-5
ROOT Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
About CONFIG Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
CONFIG Mode Prompt . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
Navigating the CONFIG Hierarchy . . . . . . . . . . . . . . . . . . 4-15
Entering Commands in CONFIG Mode . . . . . . . . . . . . . . . 4-17
Displaying Current Router Settings. . . . . . . . . . . . . . . . . . 4-18
Stepping Through Cayman 3220-H Configuration . . . . . . 4-18
Validating Your Configuration . . . . . . . . . . . . . . . . . . . . . 4-19
CONFIG Commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20
ATM Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20
BNCP Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21
Bridging Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21
DHCP Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22
Domain Name System Settings . . . . . . . . . . . . . . . . . . . . . 4-23
IP Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24
Network Address Translation (NAT) Default Settings. . . . 4-35
Network Address Translation (NAT) Pinhole Settings . . . 4-36

Cayman 3220-H User’s Guide Contents
December 2000
v
PPP Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-37
Command Line Interface Preference Settings . . . . . . . . . 4-42
Port Renumbering Settings. . . . . . . . . . . . . . . . . . . . . . . . 4-42
SNMP Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-43
System Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-44
Traffic Shaping Settings . . . . . . . . . . . . . . . . . . . . . . . . . . 4-46
5 Monitoring
Your Cayman
3220-H
Displaying the Overview Status . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Displaying Memory Statistics. . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Displaying DHCP Client Statistics . . . . . . . . . . . . . . . . . . . . . . . 5-4
Displaying DHCP Server Statistics. . . . . . . . . . . . . . . . . . . . . . . 5-5
Displaying DSL Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Displaying PPP Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Displaying PPPoE Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Displaying Ethernet Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
Displaying ATM Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
Displaying the Diagnostic Log. . . . . . . . . . . . . . . . . . . . . . . . . 5-11
Displaying IP Interface Statistics . . . . . . . . . . . . . . . . . . . . . . . 5-12
Displaying IP ARP Statistics. . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
Displaying IP Routes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
Displaying Bridge Interface Statistics . . . . . . . . . . . . . . . . . . . 5-15
Displaying Bridge Table Statistics . . . . . . . . . . . . . . . . . . . . . . 5-16
Using the Diagnose Utility. . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17
6 Updating Your
System
Software
Using the Home Page to Install a New Image . . . . . . . . . . . . . . 6-1
Using the Installer to Install a New Image . . . . . . . . . . . . . . . . 6-3
Using TFTP to Install a New Image . . . . . . . . . . . . . . . . . . . . . . 6-4
A Technical
Specifications
Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Certifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2

Contents Cayman 3220-H User’s Guide
vi
December 2000
B Diagnostic
Console
About the Diagnostic Console . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
Connecting a Terminal to the Console Port . . . . . . . . . . . . . . .B-2
Using the Diagnostic Console . . . . . . . . . . . . . . . . . . . . . . . . . .B-3
Diagnostic Console Commands . . . . . . . . . . . . . . . . . . . . . . . . .B-3
Basic Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-4
Administration Commands . . . . . . . . . . . . . . . . . . . . . . . . . B-5
Boot Setting Commands . . . . . . . . . . . . . . . . . . . . . . . . . . .B-7
C How Your
Cayman 3220-H
Works
About ATM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-1
About Network Address Translation . . . . . . . . . . . . . . . . . . . . .C-2
About Bridging and Routing. . . . . . . . . . . . . . . . . . . . . . . . . . . .C-3
TCP/IP Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-3
Bridging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-3
About DHCP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-4
Cayman 3220-H as DHCP Server . . . . . . . . . . . . . . . . . . . . .C-4
Cayman 3220-H as DHCP Client . . . . . . . . . . . . . . . . . . . . .C-5
About PPP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-5
How PPP Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-5
Phases of a PPP Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-6
PPP and Routing Tables. . . . . . . . . . . . . . . . . . . . . . . . . . .C-10
Static and Dynamic Routes . . . . . . . . . . . . . . . . . . . . . . . .C-11
Selecting the Most Efficient Route . . . . . . . . . . . . . . . . . .C-11
Dealing with Unavailable Routes . . . . . . . . . . . . . . . . . . .C-12
About PPP over Ethernet (PPPoE) . . . . . . . . . . . . . . . . . . . . . .C-13
Advantages of PPPoE. . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-13
PPP over Ethernet Stages. . . . . . . . . . . . . . . . . . . . . . . . . .C-14
Glossary
Index

Cayman 3220-H User’s Guide Preface
December 2000
vii
Preface
About This
Manual
This manual describes how to connect your Cayman 3220-H to your
local area network (LAN) and wide area network (WAN) and how to
configure it to function as an Ethernet hub/router.You should read
this manual completely before you connect your Cayman 3220-H to
your Ethernet networks.
Who Should Read
This Manual
This manual is intended for network or system administrators
responsible for setting up and maintaining the hardware and
software to connect Ethernet networks.
What This
Manual Covers
Here’s what you will find in this manual:

Chapter 1, “About Your Cayman 3220-H,” presents an
overview of the features,ports, and LEDs on your Cayman 3220-
H.

Chapter 2, “Setting Up Your Cayman 3220-H,” describes
how to unpack your Cayman 3220-H and how to connect and
disconnect it from your Ethernet networks.

Chapter 3, “Configuring Your Cayman 3220-H,” describes
how to use the web-based configuration interface to enter
operating settings for your Cayman 3220-H.

Preface Cayman 3220-H User’s Guide
viii
December 2000

Chapter 4, “Using the Command Line Interface,” describes
how to use the text-based command line interface to enter
operating settings for your Cayman 3220-H.

Chapter 5, “Monitoring Your Cayman 3220-H,” describes
how to monitor the performance of your Cayman 3220-H.

Chapter 6, “Updating Your System Software,” describes
how to install a new version of the Cayman 3220-H operating
software in your router.

Appendix A, “Technical Specifications,” details hardware
specifications and certifications for the Cayman 3220-H.

Appendix B, “Diagnostic Console,” describes how to
connect a terminal to the Cayman 3220-H maintenance console
port and how to use the Cayman 3220-H diagnostic console to
display and modify the device’s boot settings.

Appendix C, “How Your Cayman 3220-H Works,” presents
background information on how the Cayman 3220-H supports
address mapping, bridging, and the Dynamic Host Control
Protocol (DHCP).
Documentation
Conventions
This manual uses the following conventions to present information:
 Menu commands and button names appear in bold italic sans
serif type face.
 Computer display text appears in
terminal type face
.
 User-entered text appears in
bold terminal type face
.
Syntax conventions for the Cayman 3220-H command line interface
are as follows:
 Optional command arguments are presented in straight ([ ])
brackets.

Cayman 3220-H User’s Guide Preface
December 2000
ix

Alternative values for an argument are presented in curly ({ })
brackets,with values separated with vertical bars (|).

Variables for which you must supply your own values are
presented in italic terminal type face .

Preface Cayman 3220-H User’s Guide
x
December 2000

Cayman 3220-H User’s Guide About Your Cayman 3220-H
December 2000
1-1
1
About Your Cayman
3220-H
The Cayman 3220-H combines a four-port Ethernet hub with an
Asymmetric Digital Subscriber Line (ADSL) router. The Cayman
3220-H connects the personal computers, printers, and other
network devices in a workgroup to a remote network or the
Internet.
What’s New in
Release 5.6.2
 Support for RIP version 2 with MD5 authentication provides a
secure method of exchanging routing information with other
trusted routers while detecting and ignoring forged routing
messages sent from
 Support for Alcatel multimode Asymmetric Digital Subscriber
Line (ADSL) , which allows your Cayman 3220-H to detect and
establish a connection over all industry-standard forms of
asynchronous DSL (ANSI T1.413 Issue2, G.dmt, and G.lite)
automatically.
Cayman 3220-H
Features

ADSL technology supports throughput of up to eight megabits
per second.

Asynchronous Transfer Mode (ATM) supports up to eight
simultaneous virtual circuits (VCs) for reliable high-speed data
transmission.

About Your Cayman 3220-H Cayman 3220-H User’s Guide
1-2
December 2000

Integrated 10BaseT Ethernet hub on the Cayman 3220-H front
panel lets you add or move workgroup network connections
quickly and easily.

SWIFT-IP™ means that installing the Cayman 3220-H consists of
connecting the device to your networks and entering a few basic
settings.You can install and configure the Cayman 3220-H in less
than 10 minutes.

Web-based browser configuration makes configuration and
management easy from anywhere on your network.
Command-line configuration lets you monitor the 3220-H
through a Telnet or VT100 connection.

Full-featured wide-area network bridge supports non-TCP/IP
protocols.

Network Address Translation (NAT) lets your workgroup
network share one IP address when communicating with other
hosts on your corporate network or the Internet.

Dynamic Host Configuration Protocol (DHCP) client
functionality lets your Internet Service Provider (ISP) or a host
on your Wide Area Network configure the IP address and other
network settings for theWAN interface on your Cayman 3220-H
automatically.

DHCP server functionality lets the Cayman 3220-H automatically
configure the IP address and other network settings for
computers on your Local Area Network.

DHCP relay agent functionality lets devices on the Local Area
Network obtain network address information from a DHCP
server on the WAN without any user setup at the workstation.

IP pinholes let you provide web services from your Local Area
Network without sacrificing network security.

Bandwidth shaping lets carriers and service providers regulate
the amount of WAN traffic.

Alcatel access concentrator interoperability.

Cayman 3220-H User’s Guide About Your Cayman 3220-H
December 2000
1-3

Support for Point-to-Point Protocol over Ethernet (PPPoE) lets
you connect to an Internet Service Provider using well-defined
protocols.

Diagnose utility simplifies identification and resolution of
network problems.

Cayman 3220-H configuration pages automatically warn you if
an administrator password has not been set.

Security features include restrictions on access to the Cayman
3220-H through its WAN port, limitations on packets addressed
to an interface’s broadcast address, and enhanced handling of
“spoofed”IP addresses.

Ability to install new software images from the Cayman 3220-H
Home page.

Support for Checkpoint and Nortel Contivity virtual private
networks.

Support for negotiation of IPCP subnet allocation from a Remote
Access Server.

Enhanced security, diagnostics, and error reporting for PPP and
PPPoE connections.

Support for a NAT default server lets your Cayman 3220-H direct
NAT traffic to a specified host on your network.

About Your Cayman 3220-H Cayman 3220-H User’s Guide
1-4
December 2000
Cayman 3220-H
Front Panel
The front panel of your Cayman 3220-H (Figure 1-1) includes the
following LEDs and ports.
Figure 1-1 Cayman 3220-H Front Panel
 The power LED remains steadily on when you connect your
Cayman 3220-H to a power supply.
Four 10BaseT Ethernet hub ports lets you connect network
devices within a workgroup. Each hub port has an integrated
LED that remains on when the Cayman 3220-H is connected to
the device and that flashes when a packet is sent or received
over the associated hub port.
The DSL LED flashes when a packet is sent or received over the
DSL port.
The Status LED remains on steadily when the DSL link is
functioning.
Cayman 3220-H
Back Panel The back panel of your Cayman 3220-H (Figure 1-2) includes three
ports.
Figure 1-2 Cayman 3220-H Back Panel
POWER DSL STATUS
ETHERNET
DSL
9VDC
DSL MAINTENANCE
CONSOLE

Cayman 3220-H User’s Guide About Your Cayman 3220-H
December 2000 1-5
The DSL port lets you connect your Cayman 3220-H to one or
more remote networks over a DSL connection.
The maintenance console port lets you connect the Cayman
3220-H to a terminal or personal computer running a terminal
emulation application to configure its operating settings with
the command line interface (described in Chapter 4.)
The power port lets you connect the Cayman 3220-H to an
electrical power supply.Transformers for standard U.S.and
international power sources are available from your router vendor.
Using a transformer that has not been approved by Cayman Systems
will void your warranty. While non-approved power supplies may
appear compatible with the Cayman 3220-H power jack, they may
result in damage to your Cayman 3220-H.

About Your Cayman 3220-H Cayman 3220-H User’s Guide
1-6 December 2000

Cayman 3220-H User’s Guide Setting Up Your Cayman 3220-H
December 2000 2-1
2 Setting Up Your
Cayman 3220-H
Unpacking Your Cayman 3220-H
Connecting Your Cayman 3220-H
Disconnecting Your Cayman 3220-H
Unpacking Your
Cayman 3220-H The first thing you should do when you receive the Cayman 3220-H
package is confirm that you have everything you should.Remove all
the materials from the shipping carton and verify that you have the
following:
The Cayman 3220-H server in a protective bag
Power transformer (U.S. or international)
Cayman 3220-H QuickStart and other documentation
Cayman 3220-H installation CD-ROM
Blue and green DSL data cables

Setting Up Your Cayman 3220-H Cayman 3220-H User’s Guide
2-2 December 2000
Figure 2-1 Cayman 3220-H Package Components
Your Cayman 3220-H shipping carton may also include release notes
and other materials. If your shipping carton does not contain
everything on this list, contact CaymanTechnical Support.
Keep the shipping carton and all the packing materials used
to ship your Cayman 3220-H. Repack your Cayman 3220-H
in its original carton if you have to move it over long
distances or if you need to ship it to another location.
Connecting Your
Cayman 3220-H The 10Base-T Ethernet ports on the front panel of the Cayman
3220-H let you connect the personal computers, printers, and other
network devices in your workgroup.The DSL port on the rear panel
of the Cayman 3220-H is used to connect the device to a DSL jack.
Step 1: Position the
Cayman 3220-H Position the Cayman 3220-H in a location where air can circulate
freely around it.The Cayman 3220-H case has vents on its top and
bottom.Leave at least two (2) inches of clearance between the vents
on the top of the Cayman 3220-H and any object that might restrict
air flow. Never operate the Cayman 3220-H when its vents are
covered or obstructed.
Cayman QuickStart &
Other Documentation
Power Transformer
Cayman Gateway
POWER DSL STATUS
ETHERNET
DSL
Cayman Software
and Documentation DSL Data Cables
Getting Started
with the
Cayman 3220-H

Cayman 3220-H User’s Guide Setting Up Your Cayman 3220-H
December 2000 2-3
Step 2: Connect
Your Local Devices Insert one end of a twisted-pair cable in one of the ports labeled LAN
10BT on the Cayman 3220-H front panel until you feel it lock (Figure
2-1). Connect the other end of the cable to the Ethernet port on a
personal computer or other networked device.You can connect
your network devices to any of the Cayman 3220-H Ethernet hub
ports.
Figure 2-1 Connecting the Cayman 3220-H to Your LAN
If you require more than four Ethernet hub ports, you can connect
your Cayman 3220-H to another Ethernet hub.To do so, use a
standard twisted-pair Ethernet cross-over cable to connect any LAN
port on the Cayman 3220-H to any Ethernet port on the other hub.
LAN 10BT
1234
POWER DSL STATUS
To PC, Printer, or
Other Networked Device
DSL

Setting Up Your Cayman 3220-H Cayman 3220-H User’s Guide
2-4 December 2000
Step 3: Connect
Your Wide Area
Network
Insert one end of the green DSL data cable in the port labeled DSL
on the Cayman 3220-H back panel until you feel it lock (Figure 2-2).
Connect the other end of the cable to your DSL wall jack.If the DSL
status LED does not come on after you power your Cayman 3220-H,
replace the green DSL data cable with the blue one.
Figure 2-2 Connecting Your Cayman 3220-H to Your WAN
Step 4: Power On
the Cayman
3220-H
Plug the round end of the transformer cord into the power jack on
the back panel of the Cayman 3220-H (Figure 2-3).
Figure 2-3 Connecting Your Cayman 3220-H to a Power Supply
After you have connected the transformer to the Cayman 3220-H,
plug the pronged end of the transformer cord into a 110-120 voltAC
outlet (or the electrical power outlet appropriate to your location).
Users outside the United States may need a transformer compatible
with local electrical power specifications. Contact your authorized
router vendor for information on appropriate transformers.
9VDC
DSL MAINTENANCE
CONSOLE
To Your
DSL Jack
9VDC
DSL MAINTENANCE
CONSOLE
To Power
Outlet