
Desriptions
Wireless
ADSL2+ Modem(Enhanced lightning-Proof)
Up to 24Mbps downstream rate and
1Mbps upstream rate
Up to 6.5Km transmission distance; 6000V
Enhanced lightning-proof and wide voltage
range design
D820B which complies with ADSL, ADSL2 and ADSL2+ standards is an ADSL terminal
with one Ethernet port. It supports up to 24Mbps downstream rate and 1Mbps upstream
rate, as well as Bridging function. When used independently, it enables a single PC to
access Internet through dialup; when connected to a router, it enables multiple PCs to
share Internet access. In addition, 6000V enhanced lightning-proof design for lighting-intensive areas
effectively elongates the device's life time; Wide voltage range design specially adapts to areas with unstable
voltage. With stable performance, exquisite appearance and great compatibility, it is the best choice for SOHO
and small enterprise users to access the Internet.
Switch
Model No.:D820B
Multiple PVCs implements auto-
negotiation with CO
6000V enhanced lightning-proof technology designed for lightning-intensive areas
Up to 24Mbps downstream rate and 1Mbps upstream rate
Compatible with mainstream DSLAMs
Wide voltage range design adaptable to areas with unstable voltage
FDM enables calling, faxing and Internet surfing activities to proceed simultaneously without mutual
interferences
Compliant with ADSL, ADSL2 and ADSL2+ standards
Web-based management interface supports firmware upgrade
Supports Internet multimedia application
Powerful driving capability-- up to 6.5Km transmission distance
Easy to install and configure

SPECIFICATIONS
Shenzhen Tenda Technology Co., Ltd.
Address:Tenda Industrial Park, No. 34-1, Shilong Rd.,Shiyan Town,
Bao’an District, Shenzhen, P.R. China 518108
T e l: 0086.755.2765.7180 Fax: 0086.755.2765.7178
E-mail: sales@tenda.com.cn Http: www.tenda.cn
Contact us
PACKAGE CONTENTS
MINIMUM REQUIREMENTS
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Network Adapter
Wired
Copyright statement
Specificatio ns are subject to change withou t prior notice.
Tenda is a registered trademark of Shenzhen Tenda Technology
Co., Ltd. All products and product names mentioned herein are the
trademarks or registered trademarks of their respective holders. Al
l rights are reserved.
Model No.: D820B
One ADSL2+ Modem
One Network Cable
One ADSL Splitter
One Power Adapter
Quick Installation Guide
Two Telephone Lines
IEEE 802.3
Standards
ADSL Standard
Annex Type
Input Voltage Range (VAC)
Output Voltage Range(VDC)
Max. Consumption
Operating Temperature
Storage Temperature
Operating Humidity
Storage Humidity
LEDs
Media
Dimensions (L/W/H)mm
Certifications
5%~95% RH Non-condensing
POWER/DSL/L ANLINK/ACT
CAT.5/CAT.5e/CAT.6/Telephone Line
DC 9V 60 0mA
<5W
Port Count and Speed
One RJ11 Port
One 10/100Mbps auto-negotiation RJ45 port (Auto MDI/MDIX)
100~24 0V
■ITU G.992.1 ■ITU G.992.2 ■ITU G.992.3
■ITU G.992.5 ■ANSI T1.413 Issue 2
■ADSL ■ADSL2 ■ADSL2+
■Annex A ■Annex B ■Annex M ■Annex L
0℃~45℃
■IEEE802.3 ■IEEE802.3u
-40ºC~7 0ºC
139.8*9 0*30.9
CE/RoHS
10%~95 % RH Non-condensing