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Contents
Introduction
Get the latest documentation and software for your 3Com OSN|M5
About this guide5
1OSN|M Overview
2OSN|M Hardware Overview
Appearance9
Front Panel9
Hardware Configuration12
3OSN|M Installation
Installing and Removing the OSN|M15
Connecting the Management Ethernet Port Cable17
4Logging Into the OSN|M Linux System
Login Options19
Logging In Through the Console Port19
Logging In Through the OSN|M Management Ethernet Port Using SSH20
Logging In Through the OSN|M Internal Service Interface Using SSH21
Logging In through a Switch 5500G Command Line Interface22
5Understanding and Using the BIOS Options
BIOS Menu25
Booting the Linux System27
Installing the Linux System through an Ethernet Connection28
Entering the Internal Shell Command Line34
Upgrading the BIOS34
Get the latest documentation and software for your 3Com OSN|M5
Introduction
Get the latest
documentation and
software for your
3Com OSN|M
n
About this guideThis guide provides all the information you need to install the 3Com
Notice IconsTable 1 lists important conventions that are used throughout this guide.
Thank you for purchasing the 3Com® OSN|M Open Services Networking
Module. As part of our commitment to help you get the most out of your
3Com network equipment, we offer updated documentation and
software on our web site.
To obtain the most up-to-date user documentation and operating
software for the 3Com OSN|M, point your web browser to:
www.3Com.com and select the “Support and Registration” link.
You must register your 3Com switch to receive software upgrades. To
register, point your web browser to eSupport.3Com.com.
Open Services Networking Module with your 3Com Switch 5500G. It is
intended for network administrators who are responsible for installing
and setting up network equipment; consequently, it assumes a basic
working knowledge of LANs (Local Area Networks).
Tab le 1 Notice Icons
IconNotice TypeDescription
®
Information noteInformation that describes important features or
n
CautionInformation that alerts you to potential loss of data or
c
WarningInformation that alerts you to potential personal injury
instructions
potential damage to an application, system, or device
w
6Introduction
1OSN|M Overview
You can use the Open Services Networking Module (OSN|M) as an
expansion module installed in an expansion module slot on the rear panel
of a Switch 5500G. It provides a software and hardware platform that
can run various services. After an OSN|M is inserted into the expansion
module slot, it interacts with the switch through its two internal service
interfaces, which conforms to the software and hardware interface
specifications defined by OSN.
An OSN|M runs an independent Linux system. To configure and maintain
this system, you can log in using several methods.
You can develop and load service software on the OSN system to
implement security, management, and network optimizing applications
on the switch. This allows you to implement and run multiple application
types on the same device, therefore facilitating network and service
deployment and reducing overall cost.
7
8Chapter 1: OSN|M Overview
2OSN|M Hardware Overview
(5)
(1) (2)
(3)
(4)
(5)(6)(7)(8)
AppearanceFigure 1 displays the front view of the OSN|M.
Figure 1 OSN|M appearance
Appearance9
Front PanelThis section describes the OSN|M’s front panel.
Front Panel ViewAn OSN|M provides one USB 2.0 interface, one console port, and one
10/100 Base-TX management Ethernet port. Figure 2 illustrates the front
panel of an OSN|M.
Figure 2 OSN|M front panel
(1) PWR LED (2) SYS LED
(3) HDD LED (4) LED for the management Ethernet port
(5) Captive screw (6) 10/100 Base-TX management Ethernet port
(7) Console port (8) USB 2.0 interface
10 Chapter 2: OSN|M Hardware Overview
LEDsThere are PWR, SYS, HDD, and management Ethernet port LEDs on the
front panel of an OSN|M. Table 1 describes the four LEDs.
Tab le 1 The OSN|M front panel’s LED descriptions
LED Color Status Function
PWR GreenGreen, solid
SYS Green/Red Green, solid
HDD Green Green,
LED for the
management
Ethernet port
ON
Green,
blinking
OFF The module is powered off.
ON
Red, solid ON CPU bus fails.
OFF CPU runs normally.
blinking
OFF Hard disk does not perform any
Green/Yellow Green, solid
ON
Green,
blinking
Yellow, solid
ON
Yellow,
blinking
OFF No connection is established.
Normal
The module is being loaded.
CPU bus is busy
Hard disk is reading/writing.
operation.
100-Mbps connection is
established.
100-Mbps connection is
established and data is being
received/transmitted; Active
10-Mbps connection is
established.
10-Mbps connection is
established and data is being
received/transmitted; Active
Interface
Specifications
Console port
The console port on the OSN|M’s front panel conforms to the EIA/TIA-232
asynchronous serial port specifications. You can use the console port to
log into and then configure the OSN|M’s Linux system. Refer to Table 2
for the console port specifications.
Tab le 2 Console port specifications
Specification Description
Connector type RJ45
Number of connectors 1
Front Panel 11
Tab le 2 Console port specifications
Specification Description
Interface standard EIA/TIA-232
Cable type Asynchronous serial port cables
Baud rate (bps)
■ 300
■ 1200
■ 2400
■ 4800
■ 9600 (default)
■ 19200
■ 38400
■ 56000
■ 115200
Management Ethernet port
You can use the 10/100Base-TX management Ethernet port on the
OSN|M’s front panel for management only; not for exchanging data. Use
this port to log into the OSN|M’s Linux system through SSH, and then to
configure the Linux system. Refer to Table 3 for the management
Ethernet port specifications.
Tab le 3 Management Ethernet port specifications
Specification Description
Connector type RJ45
Number of connectors 1
Interface standard IEEE 802.3u
Cable type Category 5 cables (forward compatible)
Working mode
Supported frame format
■ Full/half duplex
■ 10/100 Mbps autosensing
■ Ethernet_II
■ Ethernet_SNAP
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