3Com OfficeConnect 3CR856-95 Installation Manual
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Installation Guide
OfficeConnect
®
Cable/DSL Secure Gateway
(3CR856-95)
3Com Corporation, Corporate Headquarters, 5400 Bayfront Plaza, Santa Clara, CA 95052-8145
Copyright © 2002 3Com Corporation. All rights reserved. 3Com and OfficeConnect are registered
trademarks of 3Com Corporation. The 3Com logo is a trademark of 3Com Corporation.
Microsoft, MS-DOS and Windows are registered trademarks of Microsoft Corporation.
All other company and product names may be trademarks of their respective companies.
Part number: DIA08569-5AAA02 Published: April 2002
INTRODUCTION
About This Guide:
This Guide takes you through the basic steps necessary to install and configure
your OfficeConnect Cable/DSL Secure Gateway, and establish a connection
from your computers to the Internet. Throughout, the OfficeConnect
Cable/DSL Secure Gateway is simply referred to as the Gateway.
Your package contains:
One OfficeConnect Cable/DSL Secure Gateway
One power adapter for use with the Gateway
Four rubber feet
One Ethernet cable
One CD-ROM containing the Gateway Discovery program and the User Guide
This Installation Guide
One Support and Safety Information Sheet
One Warranty Flyer
Stacking Clip
User Guide
License agreement
System Requirements
Before starting, you must ensure the following:
You already have a cable or DSL broadband connection to the Internet, with
a suitable modem, and that this connection works properly. The modem
must have an Ethernet port for connection to your Gateway.
You have a computer that has an Ethernet connection available and is
already correctly configured for communication with the Internet. Your
computer must be able to connect to the Internet via the modem, and must
have a Web browser installed.
There are no other DHCP server devices on your local network that are
responsible for allocating IP addresses to your computers and other network-
connected devices. Your Gateway will now perform this function by default.
If one or more of these conditions are not met, refer to the comprehensive
Gateway User Guide provided for further guidance.
ABOUT YOUR GATEWAY
Cable/DSL Secure Gateway - Front
1
2
3
4
LAN Status
Cable/DSL
Alert
OfficeConnect Cable/DSL Secure Gateway
1 Alert LED
Flashing slowly (2 seconds on - 2 seconds off) - The
Gateway has completed the Reset to Factory Defaults
orange
process, and is waiting for you to reset the unit. To
Indicates a number of different conditions, as
do this, remove power, wait 10 seconds and then re-
described below.
apply power. The Gateway will then enter the start-
Off - The Gateway is operating normally.
up sequence and resume normal operation.
Flashing quickly (
1
/
second on -
1
/
second off)
2
2
On for 2 seconds, and then off - The Gateway has
- Indicates one of the following conditions:
detected and prevented a hacker from attacking your
network from the Internet.
• The Gateway has just been started up and is
running a self-test routine, or
Continuously on - A fault has been detected with
your Gateway during the start-up process. Refer to
• The administrator has invoked the Reset to Factory
the main User Guide.
Defaults command, or
2 Power LED
• The system software is in the process of being
upgraded
green
In each of these cases, wait until the Gateway has
Indicates that the Gateway is powered on.
completed the current operation and the alert LED
is Off.
DIMENSIONS AND STANDARDS
Dimensions and Operating Conditions
Standards
Functional:
ISO 8802/3
EMC:
EN 55022 Class B
IEEE 802.3, 802.3u
EN 55024
Safety:
UL 1950, EN 60950
FCC Part 15 Class B*
CSA 22.2 #950,
ICES-003 Class B
IEC60950
VCCI Class B
CNS 13438 Class A
Environmental:
EN 60068 (IEC 68)
* Refer to Regulatory Notices section in the Support and Safety Information sheet
Cable/DSL Gateway
7.5 VA, 25.6 BThU/hr
power requirement
0 to 40ºC (32 to 105ºF)
operating
temperature
0 to 90%
(non-condensing)
humidity
35.8mm
(1.4 in.)
Cable/DSL Secure Gateway
537g (1.18 lb)
Cable/DSL Secure Gateway - Rear
5
3CR856-95
3 Four LAN Status LEDs
green (100Mbps link) / yellow (10Mbps link)
If the LED is on, the link between the port and the
next piece of network equipment is OK. If the LED is
flashing, the link is OK and data is being transmitted
or received. If the LED is off, nothing is connected, or
the connected device is switched off, or there is a
problem with the connection (refer to the "Problem
Solving" section).
4 Cable/DSL Status LED
green (100Mbps link) / yellow (10Mbps link)
If the LED is on, the link between the Gateway and
the cable or DSL modem is OK. If the LED is flashing,
the link is OK and data is being transmitted or
received. If the LED is off, nothing is connected, the
modem is switched off or there is a problem (refer to
the "Problem Solving" section).
POSITIONING YOUR GATEWAY
Safety Information
WARNING: Please read the 'Important Safety Information' section in the
Support and Safety Information sheet before you start.
VORSICHT: Bitte lesen Sie den Abschnitt 'Wichtige
Sicherheitsinformationen' sorgfältig durch, bevor Sie das Gerät einschalten.
AVERTISSEMENT: Veuillez lire attentivement la section "Consignes
importantes de sécurité" avant de mettre en route.
When positioning your Gateway, ensure:
It is out of direct sunlight and away from sources of heat.
Cabling is away from power lines, fluorescent lighting fixtures, and
sources of electrical noise such as radios, transmitters and broadband
amplifiers.
Water or moisture cannot enter the case of the unit.
Air flow around the unit and through the vents in the side of the case
is not restricted. We recommend you provide a minimum of 25mm
(1in.) clearance.
Using the Rubber Feet
Use the four self-adhesive rubber feet to prevent your Gateway from
moving around on your desk or when stacking with other flat top
OfficeConnect units. Only stick the feet to the marked areas at each
corner of the underside of your Gateway.
6
7
Ethernet
4
Cable/
DSL
5 Power Adapter socket
Only use the power adapter that is supplied with
this Gateway. Do not use any other adapter.
6 Ethernet Cable/DSL port
Use the supplied patch cable to connect the
Gateway to the 10/100 port on your cable or DSL
modem. This port will automatically adjust for the
correct speed, duplex and cable type. Which means
you can connect to your Cable/DSL modem using
either straight-through or crossover cables.
7 Four 10/100 LAN ports
Use suitable cable with RJ-45 connectors. You can
connect your Gateway to a computer, or to any
other piece of equipment that has an Ethernet
connection (for example, a hub or a switch). These
ports will automatically adjust for the correct speed,
duplex mode and cable type, which means that you
can connect devices to your Gateway using either
straight-through or crossover cables.
LAN