
Copyright Statement
is the registered trademark of Shenzhen Tenda Technology Co., Ltd. All the products
and product names mentioned herein are the trademarks or registered trademarks of their
respective holders. Copyright of the whole product as integration, including its accessories and
software, belongs to Shenzhen Tenda Technology Co., Ltd. No part of this publication can be
reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language
in any form or by any means without the prior written permission of Shenzhen Tenda Technology
Co., Ltd. If you would like to know more about our product information, please visit our website
at http://www.tendacn.com.
Disclaimer
Pictures, images and product specifications herein are for references only. To improve internal
design, operational function, and/or reliability, Tenda reserves the right to make changes to the
products without obligation to notify any person or organization of such revisions or changes.
Tenda does not assume any liability that may occur due to the use or application of the product
described herein. 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.
Convention
This user guide applies to G103.
If not specifically indicated, this device or the ONU stands for GPON ONU G103.
Note:
This format is used to highlight information of importance or special interest. Ignoring this type of
note may result in ineffective configurations, loss of data or damage to device.
Tips:
This format is used to highlight a procedure that will save time or resources.

Setup Wizard of Common Functions
How to configure Internet Settings
How to modify your login password
How to dial up to connect to the Internet
How to configure TCP/IP settings for your PC
Technical Support
Website: http://www.tendacn.com
Telephone: (86 755) 2765 7180
Email: support@tenda.com.cn

Contents
Chapter I Product Overview ................................................................................................................. 1
1. About this Product ............................................................................................................................ 1
2. Package Contents ............................................................................................................................. 1
3. Physical Appearance ........................................................................................................................ 2
3.1 LED Indicators, Interfaces & Buttons ........................................................................................ 2
3.2 Label .......................................................................................................................................... 3
4. Main Features ................................................................................................................................... 4
Chapter II Internet Setup ...................................................................................................................... 5
Step 1: Connect Your Device ............................................................................................................... 5
Step 2: Configure Your Device ............................................................................................................. 6
Step 3: Dial up to Connect to the Internet ............................................................................................ 8
Windows 8 ....................................................................................................................................... 8
Windows 7 ..................................................................................................................................... 14
Windows XP .................................................................................................................................. 19
Chapter III Function Brief .................................................................................................................. 25
1. Internet Setup ................................................................................................................................. 25
1.1 LOID ........................................................................................................................................ 25
1.2 SN ............................................................................................................................................ 26
1.3 SLID ......................................................................................................................................... 26
2. System Status ................................................................................................................................. 27
3. Device Management ....................................................................................................................... 28
3.1 Change Login Password ........................................................................................................... 30
3.2 Login IP Config ........................................................................................................................ 30
3.3 Device Manage......................................................................................................................... 31
Chapter IV Appendix ........................................................................................................................... 33

1. Configure PC .................................................................................................................................. 33
1.1 Windows 8 ................................................................................................................................ 33
1.2 Windows 7 ................................................................................................................................ 35
1.3 Windows XP ............................................................................................................................ 37
2. FAQs .............................................................................................................................................. 39
3. Specifications ................................................................................................................................. 42
4. Safety and Emission Statement ...................................................................................................... 43

Chapter I Product Overview
1. About this Product
Tenda G103 brings stimulating fast speed into your e-life via FTTH deployment. Compliant with
ITU-T G.984 standard, G103 can be widely used in broadband telecommunication network all
over the world. G103 has one 10/100/1000M BASE-T RJ45 port to which you can connect a PC,
router or IPTV set-top box. With the plug-and-play feature and OMCI remote management, it
becomes easier to install and maintain G103.
2. Package Contents
Unpack the package and verify the following items are included:
ONU
Power Adapter
Ethernet Cable
Install Guide
If any item is missing, incorrect or damaged, please contact our reseller with the original package
for replacement.
Product
Overview

3. Physical Appearance
3.1 LED Indicators, Interfaces & Buttons
LED
Color Status Description
Indicators
Product
Overview
POWER Green
PON
LOS Red
LAN
Solid Proper connection to power supply
Off Improper connection to power supply
Solid GPON connection has been established.
GPON connection is being established.
Off No GPON connection is established.
The Rx optical power of the ONT is lower than the optical
receiver sensitivity or no optical signal is received.
Off The device is receiving optical power normally.
Proper connection has been established, however, without
Solid
data transmission.
Data is being transmitted on this port.
No Ethernet cable connected or Ethernet cable loosely
Off
connected.

Interface / Button Description
PON SC/UPC fiber optic port for connecting to the optical network
The RJ45 port which is used for connecting to the PC, Router or
LAN
other Ethernet device
PWR Power receptacle for connecting to the included power adapter
ON/OFF ON/OFF button for powering on/off the device
Product
Overview
Pressing it for over 4 seconds restores the device to factory default
RST
settings.
Light LED indicators button for turning on/ off LED lights of this device
3.2 Label
1. This device’s default login IP address for accessing its web management page.
2. This device’s login username, neither configurable nor needs to be entered.
3. This device’s default login password. For better security, we strongly recommend you
change it on the Device Management > Change Login Password page.

4. Main Features
Compliant with ITU-T G.984, G.988
Support OMCI remote management
One 10/100/1000M BASE-T RJ45 port and one GPON port (SC/UPC)
Downstream rate of up to 2.5Gbps and upstream rate of up to 1.25Gbps
DC: 9V 1A
Product
Overview

Chapter II Internet Setup
Step 1: Connect Your Device
Note:
1. Do confirm your access type matches this GPON ONU before selecting it. Mainstream fiber
access technology can be divided into two incompatible types: EPON and GPON.
2. When this device is powered on, please do not look straight the PON port in the eye and the
laser beam in the optical fiber to avoid eye damage.
1. Connect the fiber to the PON port of your device;
2. Connect your PC to the LAN port of your device using an Ethernet cable;
3. Connect the included power adapter for power supply;
4. Press the ON/OFF button on the device to power it on.
Internet
Setup
Tips:
1. You can also connect a router or other Ethernet device to the LAN port of this device.
2. When this device is powered on, you can press the Light button to turn on/off all LED lights.

Step 2: Configure Your Device
1. Set your PC to an IP address within the following range: 192.168.1.X (2~254), and with the
subnet mask of 255.255.255.0. For specific steps, see 1 Configure PC.
2. Launch a browser, say IE, enter 192.168.1.1 in the address bar and press Enter.
3. Type in the default password admin (case-sensitive) on the pop-up login window and click
Login.
Tips:
1. If you’re failed to log in, please check your physical connections, and verify that all cables are
Internet
Setup
connected properly and all LED indicators are in normal status.
2. If you still cannot log in, please refer to Q1 of appendix 2 FAQs.
3. The default login password is admin. For better security, we strongly recommend you change it.
4. If wrong passwords are entered three times in a row, you have to wait for one minute to try to
log in again.

4. Select LOID, SN or SLID according to the authentication type provided by your ISP, enter
relevant information in the corresponding field and click OK. Screen below displays the
Authenticated status.
Internet
Setup
Tips:
1. Three authentication types are available here: LOID, SN and SLID. Please select the
corresponding authentication type according to Internet setup information provided by your ISP.
For specific configuration steps, see 1. Internet Setup.
2. When the authentication status displays Authenticated and the PON LED lights up, it indicates
the device has been registered successfully (You can also go to the System Status page to view the
ONU register status.). For surfing the Internet via the GPON, continue to finish your dial-up
connection settings (see Step 3: Dial up to Connect to the Internet).

Step 3: Dial up to Connect to the Internet
Following demos show how to dial up to connect to the Internet in Windows 8, Windows 7 or
Windows XP. Configurations steps vary in other operation systems.
Windows 8
❶ Move your mouse cursor into the bottom left corner till the Start icon displays. Right
click the start icon and a command list appears.
❷ Click Control Panel > Network and Internet > Network and Sharing Center > Set up a
new connection or network.
Internet
Setup

Internet
Setup

Internet
Setup
❸ Click Connect to the Internet > Next.
❹ Click Broadband (PPPoE).