DSL modem ZTE (ADSL)

<p style="margin-top: 5px; margin-bottom: 5px; font-family: arial; line-height: normal; font-size: medium;"><strong><span style="line-height: 18px; font-family: arial, helvetica, sans-serif; font-size: 12px;">Overview</span></strong><br><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"> </span></p><p style="margin-top: 5px; margin-bottom: 5px; font-family: arial; line-height: normal; font-size: medium;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">The 831CII is an ADSL2+ modem with four Ethernet interfaces. It is used for broadband access and IPTV service at home. The integration of TR-069 technologies facilitates the automatic installation and automatic provisioning of services.</span></p><p style="line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"> </span></p><p style="line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"><span style="line-height: 18px;">High Speed ADSL2+ Capability</span></span></p><p style="margin-top: 5px; margin-bottom: 5px; font-family: arial; line-height: normal; font-size: medium;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">The  831CII supports ADSL2+ high speed access and is backward compatible with ADSL2 and ADSL. With speed up to 24Mbps (ADSL2+) or 12Mbps (ADSL2), the 831CII offers higher data transfer rates and better bandwidth than traditional ADSL gateways. Users can enjoy broadband multimedia applications much easier than before.</span></p><p style="margin-top: 5px; margin-bottom: 5px; font-family: arial; line-height: normal; font-size: medium;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"><span style="line-height: 18px;">IPv6 Capability</span></span></p><p style="margin-top: 5px; margin-bottom: 5px; font-family: arial; line-height: normal; font-size: medium;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">With support for IPv6/IPv4 Dual Stack, the 831CII helps operators and end users to achieve a future-proof network with smooth evolution.</span></p><p style="margin-top: 5px; margin-bottom: 5px; font-family: arial; line-height: normal; font-size: medium;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"><span style="line-height: 18px;">Quality of Service (QoS)</span></span></p><p style="margin-top: 5px; margin-bottom: 5px; font-family: arial; line-height: normal; font-size: medium;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">The QoS features of the 831CII enable service providers to design QoS policies and prioritize mission-critical services such as IPTV and VoIP freely based on their individual service plans. This in turn allows service providers to deliver real multi-play applications to users and increase network efficiency.</span></p><p style="margin-top: 5px; margin-bottom: 5px; font-family: arial; line-height: normal; font-size: medium;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"><span style="line-height: 18px;">Advanced Network Security</span></span></p><p style="margin-top: 5px; margin-bottom: 5px; font-family: arial; line-height: normal; font-size: medium;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">With advanced firewall features including Stateful Packet Inspection, anti-DoS and VPN pass-though, the 831CII can prevent potential attacks from across the Internet. Furthermore, the 831CII supports various access control functions such as IP/MAC/URL filtering and start time/end time/duration of access, so parents and network administrators can set different access policies for children or staff.</span></p><p style="margin-top: 5px; margin-bottom: 5px; font-family: arial; line-height: normal; font-size: medium;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"><span style="line-height: 18px;">Robust TR-069 Remote Management</span></span></p><p style="margin-top: 5px; margin-bottom: 5px; font-family: arial; line-height: normal; font-size: medium;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">The 831CII works with TR-069 standard management specifications, allowing remote management & diagnosis, reducing the manpower needed for on-site maintenance personnel, and increasing CSI (Customer Satisfaction Index). This unique feature not only offers users a true "plug-and-play" experience but also reduces deployment complexity, thereby saving operation and maintenance costs.</span></p><p style="margin-top: 5px; margin-bottom: 5px; font-family: arial; line-height: normal; font-size: medium;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"> </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="line-height: 18px; font-family: arial, helvetica, sans-serif; font-size: 12px;">Technical Specifications:</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"> </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"><span style="line-height: 18px;">ADSL</span></span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">G.992.1 (G.dmt), G.992.2 (G.lite), </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">G.992.3 (ADSL2), G.992.5 (ADSL2+) </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Annex A/L/M</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">ADSL physical connection ATM AAL5 </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Supports multiple protocols over AAL5 (RFC 2684/1483)</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"> </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"><span style="line-height: 18px;">Router</span></span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">IPv4/IPv6 Dual Stack</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">NAT/PAT </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">ALG</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Port mapping</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">DMZ</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Virtual server</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">UPnP IGD with NAT traversal capability</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Static routing, and dynamic routing in RIPV1/V2</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Dynamic DNS relay</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">DHCP server/client</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">IGMP v1/v2 snooping in bridge mode</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">SNTP</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"> </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"><span style="line-height: 18px;">Firewall/Security </span></span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Stateful Packet Inspection (SPI)</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Denial of Service (DoS) prevention</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Multiple VPN (IPSec, PPTP) pass-through</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Packet filtering</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">MAC address filtering</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">IP address filtering</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"><span style="line-height: 18px;">QoS</span></span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Queue management</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Flexible packet classification</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Tag processing (802.1p bit sand DSCP  bits)</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Priority scheduling algorithm</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"> </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"><span style="line-height: 18px;">Management</span></span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">UPnP</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Local HTTP and Telnet management</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Local built-in diagnostic function</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">TR-069 remote management</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Logs and statistics </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Ping diagnostics </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Date/time update from SNTP internet time server</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Remote upgrade by HTTP/FTP</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">2-level user’s name and password</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"> </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"><span style="line-height: 18px;">Hardware Specifications</span></span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">WAN: one RJ-11 port for ADSL2+ over POTS</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">LAN:  four RJ-45 ports for Fast </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Ethernet interfaces</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Buttons:</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">     -Reset</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">     - Power ON/OFF </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">LED Status  indicators: POWER, </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">DSL, Internet, Ethernet LAN1-4</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"> </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"><span style="line-height: 18px;">Electrical Characteristics</span></span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Power input: 12V DC, 0.5 A</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Power consumption: less than 5W</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"> </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"><span style="line-height: 18px;">Physical Characteristics</span></span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Net weight: 206g</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Size: 145 (W) x107.6 (D) x 29.3 (H)mm</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Package weight:500g</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Package size: 215 (W) x 155 (D) x 65 (H) mm </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"> </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"><span style="line-height: 18px;">Environmental Characteristics</span></span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Operating Environment</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Temperature: -5°C ~ 45°C (23°F ~ 113°F )</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Humidity: 5% ~ 95% (non-condensing)</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"> </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"><span style="line-height: 18px;">Storage Environment</span></span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Temperature: -40°C ~ 70°C (-40°F ~ 158°F )</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">Humidity: 5% ~ 95% (non-condensing)</span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"> </span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;"><span style="line-height: 18px;">Certification</span></span></p><p style="margin-top: 5px; margin-bottom: 5px; line-height: normal; font-family: sans-serif; font-size: 16px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12px;">CE certification</span></p>