Discontinued Item


4 port VoIP ADSL Modem/Router (Conexant Chipset). It includes one FXS port so that you easily combine voice and data traffic over your ADSL connection. It supports the SIP protocol and is a full, feature rich router and VoIP gateway.

Includes: 1.8m ADSL modem lead, 1.8m LAN cable, Setup Guide & 1 free plug splitter.



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Download firmware
Download manual
Comparison table
Further Specifications
Microfilters - click here
rear view of sar840v
Standard: - Full-rate ANSI T1.413 issue 2 and ITU G.992.1 (G.dmt)
- Splitterless ITU G.992.2 (G.lite)
- ITU G.994.1 (G.hs)
Interface: - One RJ-11 port for ADSL connection
- Four RJ-45 10/100M Ethernet ports
Protocols: - PPP over AAL5 (PPPoA): RFC-2364.
- Classic IP over ATM (IPoA): RFC-1577.
- PPP over Ethernet (PPPoE): RFC-2516.
- Multi-protocol Encapsulation over AAL5: RFC-1483 (LLC & VC Mux).
ATM: - Up to 8 PVCs(Virtual Circuits)
- Support AAL5 and UBR/CBR traffic shaping
- OAM F4/F5 loopback
Bridging: - Ethernet to ADSL self learning transparent bridging (IEEE 802.1d)
- 128 MAC address support
Router Mode: - Static IP routing (configurable route table)
- Virtual server, DMZ, System log
- DHCP (Dynamic Host Configuration Protocol) Server and Client
- VPN pass through (IPSec - ESP Tunnel mode, L2TP, PPTP)
- TCP/IP RIP v2: RFC-1723.
- NAT and NAPT
Firewall: -Stateful Packet Inspection (SPI)
-DoS (Denial of Service) Protection
-Service Filtering
-Access Policies based on IP Address, Service Group, Time, Inbound Policy and Outbound Policy
-Hacker Log
Security: - User authentication for PPP
- PAP (Password Authentication Protocol)
- CHAP (Challenge Authentication Protocol)
- Password-protected system configuration
Management: - Web-based configuration
- Firmware upgrade via FTP or WEB
Loop Range: Up to 18,000 feet
Power Supply: AC power adapter 12V 1000mA
Replacement Power Suppy code - PSU040
(PSU048 will also work)
Compatibility: Windows 95, 98, ME, 2000, NT4.0, XP, Mac, UNIX & Linux
LED Indicator: Ready, ADSL, and DATA LED's
Temperature: - Operating: -0 to 50°C
- Storage: -20 to 70°C
Humidity: 10% to 90% non-condensing
Certification: FCC, CE
VoIP One RJ-11 Interface supporting FXS
Supports SIP Call Signalling Protocols
Supports G.711, G.723, G.726, G.728 and G.729a voice coding technology
Supports DTMF Detection and Generation (Dial TOne, Call Waiting, Busy, etc)
G.165 and G.168 Echo Cancellation standards compliance
Dynamic Jitter Buffer
Support Bell 202 and V.23 Caller ID
Voice Activity Detection (VAD)
Latest f/w including manual.
Improved VoIP functions like transfer etc...
zip Download here MD5 Checksum=
Firmware - Version zip Download here MD5 Checksum=
User Manual
(firmware ver
pdf Download here 03.02.05
Quick Setup Guide pdf Download here 03.02.05