Other features
| Supported data transfer rates |
10/100Mbit/s |
| Maximum data transfer rate |
0.1 Gbit/s |
| Interface |
LAN, WAN |
| Power LED |
Y |
| Compliance industry standards |
IEEE 802.3, IEEE 802.3u |
| Networking features |
Ethernet, Fast Ethernet |
| Input voltage |
220 V |
Ethernet LAN features
| Cabling technology |
10/100Base-T(X) |
| Ethernet LAN data rates |
10, 100 Mbit/s |
Ports & interfaces
| WAN connection |
Ethernet (RJ-45) |
| RJ-11 ports quantity |
1 |
| USB ports quantity |
1 |
DSL features
| Downstream data rate |
24 Mbit/s |
| Upstream data rate |
1 Mbit/s |
System requirements
| Optical drive required |
Y |
| Mac compatibility |
N |
| Minimum processor |
200MHz |
| Minimum RAM |
64 MB |
Management features
| Universal Plug and Play (UPnP) |
Y |
| Quality of Service (QoS) support |
Y |
| Reset button |
Y |
| Web-based management |
Y |
Protocols
| DMZ support |
Y |
| DHCP client |
N |
| DHCP server |
Y |
| Supported network protocols |
TCP/IP, NAT, PPPoE, PPPOA, DHCP Server, IGMP, ICMP, ARP |
Power
| Power over Ethernet (PoE) |
Y |
Additionally
| Ethernet LAN connection |
Y |
| Wireless technologies |
Wired |
| AC adapter bundled |
Y |
| Ethernet LAN (RJ-45) ports quantity |
4 |
4Port ADSL2/2+ Modem Router, IEEE 802.3, IEEE 802.3u, TCP/IP, DHCP server, ICMP, NAT, PPPoE, PPPOA, Auto MDI/MDIX, Firewall, 4x RJ45 (10/100Mbit/s), 1x RJ11, 1x USB2.0
D840R is an ADSL2+ modem together with router, and featuring a 4-port switch. It provides a downstream rate up to 24Mbps and an upstream rate of 1Mbps. The D840R complies with ADSL, ADSL2, and ADSL2+ standards. It also supports multiple network protocols and provides NAT router and bridge functions. A splitter with filtering is included to allow telephone and internet connections from the same jack.
- Provides up to 24Mbps downstream rate and 1Mbps upstream rate.
- Supports DHCP, NAT, IGMP, ICMP, ARP.
- Four 10/100M Auto-Negotiation RJ-45 Ethernet ports for network adapter, Hub and switch connectivity.
- One RJ-11 port and Voice Splitter included.
- One USB port support for connecting PC’s USB port.
- Provides Web-based management and firmware upgrade.
- Complies with ADSL, ADSL2 and ADSL2+ standards.
- Provides NAT Router, Bridge and switch functions.
- Compatible with all mainstream DSLAM (CO).
- Provides PPPOE, PPPOA, CLIP protocols.
- Supports firewall and hacker attack prevention.
- Supports Internet Multi Media.
- Provides static and dynamic routes.
- Up to 6.5km transmission distance.
- Setup Wizard support for fast and easy configurations.
