TD-8840 uses integrated ADSL2+ transceiver and a 256-MHz MIPS32 CPU.The AFE supports full-rate ADSL connectivity conforming to the ITU and ANSI specifications; MIPS32 CPU with MMU and 16-KB I-cache/8-KB D-cache is integrated into the device. In addition to the basic DMT physical layer functions, the ADSL PHY supports dual latency ADSL Framing (fast and interleaved) and the I.432 ATM Physical Layer.TD-8840 is a complete plug-and-play solution. With standard Ethernet interface, it can be directly connected to any 10M/100M Ethernet devices, supporting Auto MDI/MDIX.

The TD-8840 uses ADSL (Asymmetric Digital Subscriber Line) technology for Internet connection speeds of up to 455x faster than dial-up, while using a standard phone line. With a built-in 4-port switch, up to four network-ready computers or devices can simultaneously be connected to the TD-8840 for access to the Internet.

TD-8840 not only use html (web mode through Ethernet port) to configure the MODEM but also use external utility software, too. With TP-LINKs excellent design of circuit and high quality production, we guarantee ADSL MODEM a high performance, very good stability and easy to use.

• 4 10/100Mbps Auto-Negotiation RJ45 port supporting Auto MDI/MDIX, 1 RJ11 port
• Supports bridge and NAT router mode, providing integrated internet access for SOHO user
• Built-in DHCP server
• High speed and asymmetry data transmit mode, adapt to wide-band internet access
• Point to point connection, provide safe and exclusive bandwidth
• Compatible with all mainstream DSLAM (CO)
• Support All ADSL industrial standards
• Complies with IEEE 802.3, IEEE 802.3u standards
• Support PVC
• Quick response semi-conductive surge protect circuit, provides reliable ESD and surge-protect function
• Real-time Configuration and device monitoring
• Advanced DMT modulation and demodulation
• Firmware upgradeable

• Supporting protocol
  - ANSI T1.413 I2
  - ITU G.992.1(G.dmt)- Annex A/B
  - G.992.2 (G.lite)- Annex A/B
  - G.992.3 (ADSL2) - Annex A/B/C/M and Annex L (RE-DSL) compliant
  - G.992.5 (ADSL2+) Annex A/B/C and Annex L (RE-DSL) compliant
  - ADSL dual latency (fast path and interleaved path)
  - I.432 ATM physical layer compliant
  - Supports: RFC2364 (PPPoA), RFC2516(PPPoE), RFC1483 (MPoA) (Bridged and route), RFC1577 CLASSIC IP over ATM(CLIP)
• Transmit data-rate:
  - Max download datarate:24Mbps
  - Max upload datarate:1Mbps
• ATM property:
  - AAL type:AAL5
  - ATM service type
  - UBR ATM
  - UNI 3.1, UNI 4.0*
• Working environment:
  - Usage temperature: 0～40
  - Storage temperature: －40～70
  - Humidity: 10%～90%

IPTV Set Up Guide for TP-LINK Modems(TD-W8920G/TD-8810/TD-8840) can be located here