ZTE ZXDSL 831B

multiple revisions of this device, use caution

ADSL CPE
Homepage	Product page
3rd Party Firmware
dd-wrt	Incompatible
OpenWrt	Incompatible
Tomato any flavor	Incompatible
Platform
Brand • Model • Rev	ZTE ZXDSL 831 B
FCC ID	Q78-ZXDSL831
Type	dsl modem
CPU1	GlobespanVirata GS8120
Flash1 Chip	Brand? Model?
Flash1 Size	2 MiB2,097,152 B <br />16,384 Kib <br />2,048 KiB <br />16 Mib <br />0.00195 GiB <br />
RAM1 Size	8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br />
RAM1 Chip	Brand? Model?
ETH chip1	GlobespanVirata GS8120
ETH chip2	Realtek RTL8201CP
Ethernet Port Count	1-100MbE-LAN
Wired Standard	IEEE 802.3i/3u
Expansion IF types	none specified
Power	5 VDC, 1.2 A
Connector type	barrel
Flags: ADSL
Additional chips DSL Analog Front End;Conexant;BAZ-3882-NCA;;1;
Retail
FCC approval date	30 October 2009
Country of manuf	China
CPU1 brand FLA1 RAM1 ZTE ZXDSL 831B GlobespanVirata 2 MiB2,097,152 B <br />16,384 Kib <br />2,048 KiB <br />16 Mib <br />0.00195 GiB <br /> 8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br /> ZTE ZXDSL 831CII TrendChip 2 MiB2,097,152 B <br />16,384 Kib <br />2,048 KiB <br />16 Mib <br />0.00195 GiB <br /> 8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br /> ZTE ZXDSL 831II Broadcom 2 MiB2,097,152 B <br />16,384 Kib <br />2,048 KiB <br />16 Mib <br />0.00195 GiB <br /> 8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br />

For a list of all currently documented GlobespanVirata chipsets with specifications, see GlobespanVirata.
For a list of all currently documented Realtek chipsets with specifications, see Realtek.

For a list of all currently documented ZTE device with specifications, see ZTE.

Overview

• Conexant Viking II+ GS8120-174-004DB0EZ - Integrated Network Processor
• Conexant Viking II+ BAZ-3882-NCA - Analog Front End
• Realtek RTL8201CP - Eth. Chip

See also: DQ Technology VisionNet W202

Product Similarity Declaration: ADSL CPE ZXDSL 831 Series contains four models:

• ZXDSL 831 • ZXDSL 831II • ZXDSL 831B • ZXDSL 831BII

For Model Numbers: ZXDSL 831, ZXDSL 831B and ZXDSL 831BII are electrically identical

with the Model Number: ZXDSL 831II that was certified by BACL.

These four models are Single Ethernet port, the difference between them for details:

• For model number: ZXDSL 831 is ADSL Routing equipment
• For model number: ZXDSL 831II is ADSL2+ Routing equipment and Bridge equipment
• For model number: ZXDSL 831B is ADSL Bridges equipment
• For model number: ZXDSL 831BII is ADSL2+ Bridges equipment

They are name differently and have different software, no other change are made.

Considering for our marketing purposes. We would like to list four models on reports.

Specifications

• Conexant Viking II+ GS8120-174-004DB0EZ - Integrated Network Processor
• Conexant Viking II+ BAZ-3882-NCA - Analog Front End
• Realtek RTL8201CP - Eth. Chip