H3C VG 31-08 User manual

H3C VG 31-08 Voice Gateway
Installation Manual
Hangzhou Huawei-3Com Technology Co., Ltd
http://www.huawei-3com.com
Manual Version: T2-08042Y-20060707-C-1.00

Copyright © 2006, Hangzhou Huawei-3Com Technology
Co., Ltd. and its licensors
All Rights Reserved
No part of this manual may be reproduced or transmitted in any form
or by any means without prior written consent of Hangzhou
Huawei-3Com Technology Co., Ltd.
Trademarks
H3C, Aolynk, , IRF, H3Care, , Neocean, , TOP
G, SecEngine, SecPath, COMWARE, VVG, V2G, VnG, PSPT, NetPilot,
and XGbus are trademarks of Hangzhou Huawei-3Com Technology
Co., Ltd.
All other trademarks that may be mentioned in this manual are the
property of their respective owners.
Notice
The information in this document is subject to change without notice.
Every effort has been made in the preparation of this document to
ensure accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute the warranty of
any kind, express or implied.
To obtain the latest information, please access:
http://www.huawei-3com.com
Technical Support
[e-mail]
http://www.huawei-3com.com

About This Manual
Related Documentation
In addition to this manual, each H3C VG Series Voice Gateways
documentation set includes the following:
Manual Content
H3C VG Series Voice Gateways
Operation Manual
It provides guidelines to user
operations on the H3C VG
Series Voice Gateways.
H3C VG Series Voice Gateways
Command Manual
It provides all commands
available in the H3C VG Series
Voice Gateways as well as the
command usage and examples.
H3C VG Series Voice Gateways
Web-based Configuration
Manual
It provides guidelines to
Web-based configuration on the
H3C VG Series Voice
Gateways.
Organization
H3C VG 31-08 Voice Gateway Installation Manual is organized
as follows:
Chapter Contents
1 Product Overview Profiles the core technology and
hardware features.
2 Installation Preparations Focuses on the site requirements,
precautions, and tools for installation.

Chapter Contents
3 Installing the VG 31-08 Elaborates on the installation
flowchart and how to install H3C VG
31-08 Voice Gateway.
4 Booting and Configuring
the VG 31-08
Presents booting and configuration
fundamentals of H3C VG 31-08
Voice Gateway including setting up,
powering up the device, and basic
configuration procedures.
5 Software Maintenance Lists the way to maintain the software
of H3C VG 31-08 Voice Gateway.
6 Troubleshooting Introduces possible symptoms and
the solutions to them.
Conventions
The manual uses the following conventions:
I. Command conventions
Convention Description
Boldface The keywords of a command line are in
Boldface.
italic Command arguments are in italic.
[ ] Items (keywords or arguments) in square
brackets [ ] are optional.
{ x | y | ... }
Alternative items are grouped in braces
and separated by vertical bars. One is
selected.
[ x | y | ... ]
Optional alternative items are grouped in
square brackets and separated by vertical
bars. One or none is selected.

Convention Description
{ x | y | ... } *
Alternative items are grouped in braces
and separated by vertical bars. A minimum
of one or a maximum of all can be selected.
[ x | y | ... ] *
Optional alternative items are grouped in
square brackets and separated by vertical
bars. Many or none can be selected.
# A line starting with the # sign is comments.
GUI conventions
II.
Convention Description
< > Button names are inside angle brackets.
For example, click <OK>.
[ ]
Window names, menu items, data table
and field names are inside square
brackets. For example, pop up the [New
User] window.
/ Multi-level menus are separated by forward
slashes. For example, [File/Create/Folder].
Symbols III.
Convention Description
Warning Means reader be extremely careful.
Improper operation may cause bodily
injury.
Caution
Means reader be careful. Improper
operation may cause data loss or damage
to equipment.

Convention Description
Note Means a complementary description.
Environmental Protection
This product has been designed to comply with the requirements
on environmental protection. For the proper storage, use and disposal
of this product, national laws and regulations must be observed.

Installation Manual
H3C VG 31-08 Voice Gateway Table of Contents
i
Table of Contents
Chapter 1 Product Overview ........................................................1-1
1.1 Introduction ........................................................................1-1
1.2 Hardware Features ............................................................1-2
1.2.1 Appearance.............................................................1-2
1.2.2 System Specifications.............................................1-3
1.2.3 LEDs........................................................................1-4
1.2.4 Interface Attributes..................................................1-6
Chapter 2 Installation Preparations .............................................2-1
2.1 Site Requirements..............................................................2-1
2.1.1 Temperature/Humidity.............................................2-1
2.1.2 Cleanliness..............................................................2-2
2.1.3 ESD Prevention.......................................................2-3
2.1.4 Electromagnetic Environment .................................2-4
2.1.5 Lightning Protection.................................................2-4
2.1.6 Checking the Rack/Workbench/Tabletop................2-4
2.2 Safety Precautions.............................................................2-5
2.3 Tools, Cables, Meters, and Devices..................................2-6
Chapter 3 Installing the VG 31-08 ................................................3-1
3.1 Installation Flowchart.........................................................3-1
3.2 Installing the VG 31-08 ......................................................3-2
3.2.1 Tabletop/Workbench Mounting ...............................3-2
3.2.2 Rack Mounting.........................................................3-2
3.3 Connecting the Grounding Cable.......................................3-3
3.4 Connecting to the Console Terminal..................................3-4

Installation Manual
H3C VG 31-08 Voice Gateway Table of Contents
ii
3.5 Connecting to the Ethernet................................................3-5
3.6 Connecting the Telephone.................................................3-7
3.7 Connecting the Telephone Cable......................................3-7
3.8 Connecting the Power Cord...............................................3-8
3.9 Verifying Installation...........................................................3-9
Chapter 4 Booting and Configuring the VG 31-08......................4-1
4.1 Booting...............................................................................4-1
4.1.1 Setting up a Configuration Environment .................4-1
4.1.2 Powering up the VG 31-08......................................4-5
4.1.3 Startup Process.......................................................4-7
4.2 Configuration Fundamentals..............................................4-9
4.2.1 Basic Configuration Procedures..............................4-9
4.2.2 Features of the Command Line Interface................4-9
4.2.3 Features of Web-based Configuration ..................4-10
Chapter 5 Software Maintenance.................................................5-1
5.1 Boot Menu..........................................................................5-1
5.2 Upgrading Application and Boot ROM Programs Using
XModem...................................................................................5-4
5.2.1 Upgrading the Application Program ........................5-4
5.2.2 Upgrading the Full Boot ROM Program..................5-7
5.2.3 Upgrading the Extended Segment of the Boot ROM
Program............................................................................5-9
5.3 Backing up and Restoring the Extended Segment of the Boot
ROM Program..........................................................................5-9
5.3.1 Backing up the Extended Segment of Boot ROM
Program in Flash Memory................................................5-9
5.3.2 Restoring the Extended Segment of Boot ROM
Program from Flash Memory..........................................5-10

Installation Manual
H3C VG 31-08 Voice Gateway Table of Contents
iii
5.4 Repairing the Extended Segment of Boot ROM..............5-11
5.5 Upgrading the Application Program Using TFTP.............5-12
5.5.1 Setting up an Upgrading Environment..................5-12
5.5.2 Running TFTP Server ...........................................5-13
5.5.3 Configuring the VG 31-08......................................5-13
5.5.4 Downloading the Application Program..................5-16
5.6 Uploading/Downloading Configuration File and Program
Using FTP..............................................................................5-17
5.6.1 Setting up Uploading/Downloading Environment..5-17
5.6.2 Configuring the FTP Service on the VG 31-08......5-19
5.6.3 Uploading/Downloading Application/Boot ROM
Program/Configuration File ............................................5-20
5.7 Solutions when the Password is Lost..............................5-22
5.7.1 When a user password is lost ...............................5-22
5.7.2 When the Boot ROM Password is Lost.................5-25
Chapter 6 Troubleshooting...........................................................6-1
6.1 Troubleshooting the Power System...................................6-1
6.2 Troubleshooting the Configuration System........................6-1

Installation Manual
H3C VG 31-08 Voice Gateway List of Figures
iv
List of Figures
Figure 1-1 Appearance of the VG 31-08.................................1-2
Figure 1-2 VG 31-08 front panel .............................................1-2
Figure 1-3 VG 31-08 rear panel..............................................1-2
Figure 1-4 LEDs on VG 31-08 front panel...............................1-5
Figure 3-1 Installation flowchart..............................................3-1
Figure 3-2 Rack mounting of the VG 31-08............................3-3
Figure 3-3 Console cable assembly........................................3-5
Figure 3-4 Ethernet cable assembly .......................................3-6
Figure 4-1 Local configuration through the console port.........4-1
Figure 4-2 Set up a new connection .......................................4-2
Figure 4-3 Set the connection port..........................................4-3
Figure 4-4 Set communication parameters.............................4-4
Figure 4-5 Set the terminal type..............................................4-5
Figure 5-1 The Send File dialog box.......................................5-6
Figure 5-2 The Sending File interface.....................................5-6
Figure 5-3 Set up an environment for upgrading through
TFTP......................................................................5-12
Figure 5-4 Set up an environment for local uploading/downloading
through FTP..........................................................................5-18
Figure 5-5 Set up an environment for remote uploading/downloading
through FTP.....................................................................5-19