1  Overview
Thank you for using ZXDSL 831C ADSL Modem. Please read the manual carefully 
before you use it.
ZTE   ZXDSL  831C   is   an ADSL access device   to   support   multiple   line   modes. It 
provides a 10/100BaseT interface for Ethernet connection at the user end. Utilizing the 
high-speed   ADSL   connection,   ZXDSL   831C   provides   users   with   broadband 
connectivity to the Internet or the Intranet.
ZTE   Corporation   reserves   the   right   to   change   the   technical   specifications   in   this 
manual without advance notice.
1.1 Features
• Offers ADSL high-speed connection over ordinary telephone lines
• Supports G.992.1, G.992.2 and T1.413 standards
• Supports dying gasp
• Supports Bridge or Router mode
• Supports RFC 1483 and PPPoE bridging function
• Supports IPoA and PPPoA/PPPoE routing features (optional)
• Supports IP filtering and NAT, up to 253 networks
• IP addresses can be translated with firewall protection function (optional)
• Supports DMZ and virtual server
• Supports UpnP
• Supports 4 interfaces of 10/100BaseT Ethernet (MDI/MDIX)
• Supports DHCP for network configuration (optional)
• Web-based interface for configuration
• High reliability, easy operation and low power consumption
• Compatible   and   interoperable   with   multiple   central   office   (CO)   DSLAM