DSL Modem

2110 Modem ( One port modem Router) - $49
The ADSL2110-EHR V8.30+ series supports ADSL, ADSL2 and ADSL2+ over the existing copper lines, with downstream transmission rate up to 24Mbps (ADSL2+) and upstream transmission rate up to 1.024 Mbps. They can support PPPoA (RFC 2364 - PPP over AAL5), PPPoE (RFC 2516 ¨C PPP over Ethernet) and RFC 1483 encapsulation over ATM (bridged or routed).

Features

Standards Compliance

  • ANSI T1.413 Issue 2 compliant
  • ITU-T G.992.1 (G.DMT) compliant: Up to 8Mbps downstream and 896Kbps upstream data rate
  • ITU-T G.992.2 (G.lite) compliant: Supports splitter-less implementation and up to 1.5M downstream and 512Kbps upstream data rate
  • ITU-T G.992.3 compliant: Better performance on long lines, and improve interoperability between chipset suppliers
  • ITU-T G.992.5 Annex A compliant: Up to 24Mbps downstream and 1Mbps up stream data rate
  • ITU-T G.992.5 Annex M compliant: Up to 24Mbps downstream and 3Mbps up stream data rate. (EHR 8.20M+ support)

Hardware Features

  • Compatible with various local telecom equipments: Huawei, ZTE, DTT, Alcatel, Lucent, Ericsson and so on.
  • Stable transmission speed even at a transmission distance of 5KM
  • Supports 8 PVCs

Software Features

  • Supports RFC 1483 protocol (MPOA), RFC 1577 protocol (IPOA),RFC 2364 protocol (PPP over ATM) ,and RFC 2516 protocol
  • Firmware upgrade and configuration over WEB

Operating Environment

  • Operating: £«0¡æ ~ £«50¡æ
  • Non-operating: £­40¡æ ~ £«85¡æ

Humidity

  • Operating: 10%~95% RH
  • Non-operating: 10%~95% RH

Standard Approval

  • CE CLASS B.
  • FCC PART 15 CLASS B
  • FCC PART 68
  • UL 1950
2Wire Modem (4 LAN, 1USB, wireless modem / router) - $69
The 2Wire gateway allows you to create a network with your computers and peripheral devices. Following are just a few of the benefits derived from using the 2Wire gateway to network your home or office. High performance integrated modem. 2Wire¡¯s teEngology improves DSL1 performance, especially for homes further away from the local exchange. It also minimizes common interference found when other devices (such as dimmer switches or fluorescent lighting) are in contact with the DSL line. Super-fast router. The 2Wire gateway¡¯s router provides the fastest data transfer speeds available between your network and the Internet. The high-performance router distributes data seamlessly to all of the computers on your network, without a dramatic loss of performance or speed. Professional-grade firewall. The 2Wire gateway firewall includes both standard NAT/PAT security and Stateful Packet Inspection to defend against Denial of Service Internet attacks. Flexible networking. The 2Wire gateway includes a variety of home networking teEngologies in one box: Ethernet, direct USB, and HyperG wireless2. Use any or all of the following teEngologies to create a network with your computers and peripherals.

Cable Modem

SB5101 Cable modem -1 port Cable Modem ¨C $49

The Motorola SURFboard 5101 is a DOCSIS 1.1 and 2.0 Certified cable modem capable of providing up to 38Mbps downstream, and 30 Mbps upstream data rate.

The modem features both USB and Ethernet connectivity, as well as web based diagnistics for quick troubleshooting.

The SURFboard 5101 incorporates DOCSIS 2.0 Advanced Time Division Multiple Access (A-TDMA) and Synchronous Code Division Multiple Access (S-CDMA) teEngologies to provide up to three times greater upstream capacity than DOCSIS 1.0/1.1 systems.

The SURFboard SB5101 also features a top-mounted stand-by button that quickly isolates the USB and Ethernet connection to the PC without disconnecting the cable modem from the RF network.

VOIP Phone Adaptor

RTP300 ¨C 2 phone port, 4 LAN port Router/phone box adaptor - $30

Think of the Linksys Broadband Router with 2 Phone Ports as a kind of "splitter" for your Internet connection.

Just connect your DSL or Cable Modem to the Router, and all the computers in your home or office can share the Internet -- all at the same time. The built-in 4-port switch lets you attach four local PCs directly, or daisy-chain out to more hubs and switches as your network grows.

Once your computers are connected to the Internet through the Router, they can communicate with each other too, sharing resources and files. All your computers can print on a shared printer connected anywhere in the home.

And you can share all kinds of files between computers -- music, digital pictures, and other documents.

The two standard telephone jacks on the Router enable high-quality feature-rich telephone service through your high-speed connection even while you're surfing the Internet. Each phone jack operates independently - like having two phone lines. With an Internet Phone Service Provider, you'll get low domestic and international phone rates, and lots of other available special phone features.

It's all easier than you think -- the included Setup Wizard takes you through configuring the Router, step by step. The Router can act as a DHCP server for your network, so your PCs are configured automatically. Universal Plug-and-Play (UPnP) lets specialized Internet applications configure the Router so you don't have to. The powerful SPI firewall helps keep intruders out of your computers. Advanced users can set up QoS prioritization based on port or service type.

With the Linksys Broadband Router with 2 Phone Ports at the heart of your home network, you don't need to be a networking genius to share high-speed Internet, printers and files, and turn your Internet connection into a high-quality high-value telephone service.

Features

  • Four 10/100 BaseT Ethernet Ports to share Internet Connection
  • Two RJ11 voice ports for analog phones or fax machines with two independent telephone numbers
  • Support QoS (Quality of Service) to ensure best quality voice
  • Supports Access Control to block specific PC's on the network from gaining access to the Internet
  • Supports SPI Firewall to limit the risk of intrusion attempts
  • Web-based configuration through a built-in web server
  • Supports High speed Internet Connection for FTTH Deployments
  • Supports auto-provisioning with provisioning servers for configuration and upgrades
  • Supports Session Initiation Protocol (SIP)
  • Supports DTMF tone detection and generation
  • Supports Voice Activity Detection (VAD) and Silence Suppression
  • Supports Comfort Noise Generation (CNG)
  • Supports Caller ID generation and detecting(FSK and DTMF)
  • Supports Echo Cancellation (G.165 and G.168)
  • Supports T.38 Fax Really including V.17, V.21, V.27ter and V.29 and FAX Pass-through(PCM)
  • Supports multiple voice compression G.711, G.726, G.729, G.723.1

Specifications

  • Model Number RTP300
  • Standards IEEE 802.3 (10BaseT), IEEE 802.3u (100BaseTX)
  • Ports/Buttons One 10/100 RJ-45 Internet Port, Four 10/100 RJ-45 Network
  • Ports, Two Standard Phone Ports, One Power Port, Rest Button
  • Cabling Type RJ45 Ethernet Category 5, RJ11 Standard Phone cable
  • LEDs INTERNET, PHONE2, PHONE1, ETHERNET(1-4), POWER
  • UPnP able/cert Certified
  • Network Protocols TCP/IP
  • Voice Protocols Session Initiation Protocol (SIP v2)
  • Voice Codec¡¯s G.711 a-law, G.711¦Ì-Law, G.726, G.729 A/B/E, and G.723.1
  • Ringer equivalence
  • number (REN) 5 REN per RJ-11 port
  • FXS Port Impedance 600 ohm resistive or 270 ohm + 750ohm/150nF complex impedance
  • Ring Frequency 25 Hz
  • Ring Voltage 40 - 50 Vrms
BX212 ¨C 2 ports phone port +1 port Router/adaptor - $30
The BX212 is a small device that sits at the subscriber¡¯s premises. It converts between analog telephone signals and IP Telephony signals. It has up to two RJ-11 ports where standard analog telephones can be directly attached,one RJ-11 port attached PSTN jack,and two RJ-45 interfaces for the Ethernet connection and router function. Intelligence can be built into this device to provide a wide range of features to the subscribers in association with the other elements in the service. The BX212 functions as a SIP User Agent (UA).

Home/SOHO Routers with NAT Functionality: A home/SOHO router is used for routing IP packets between the subscriber¡¯s private network and the ISP¡¯s public network. If the ISP provides only one public IP address to the subscriber, the devices attached to the private network will be assigned private IP addresses and the router will perform network address translation (NAT) on packets sent from the private network to the public network via the router. Home routers offer the following features:

  • An R-J45 WAN interface for connection to the ISP¡¯s public network and one or more RJ-45 LAN interfaces for connection to the subscriber¡¯s private network. The router directs packets between the private network and the public network.
  • A PPPoE client to connect with the ISP through a DSL modem.
  • A DHCP client where the router will obtain an IP address, subnet mask, default router assignment, etc., for its WAN interface from a DHCP server on the public network.
  • A DHCP server for auto-assignment of private IP addresses, subnet mask, and default router assignment to devices attached to the private network, i.e. computers, IP Telephony gateways, etc. The default router in this case is the IP address of the LAN interface of the router itself.
  • Performs NAT on packets sent from the private network to the public network. This is an important feature such that recipients of the private packets will perceive them as originated from a public IP address (the router¡¯s WAN interface) and will therefore return messages to the proper public IP address and port. Different routers may use different rules for allocating port numbers at the WAN interface to forward packets from a private IP address/port to a public IP address/port. The allocated port number is also used for routing packets from external IP addresses to a private address. Most routers will accept a number of static port mapping rules for forwarding packets received on a specific port at the WAN interface to a specific IP address/port in the private network.

PSTN - VoIP Gateways: These devices are required if user agents are expected to make calls to or receive calls from the PSTN. Many gateways may be deployed in order to service a wide area. Gateways also behave like SIP user agents. The proxy server can be configured with cost-saving rules based call routing information so that it may decide which gateway to use depending on the destination and the time of the call. The IP Telephony service provider will assign each subscriber an E164 telephone number so that it may be reached from the PSTN just like any other telephone.

Billing Servers: Billing servers are used to generate billing data per usage of the IP Telephony service. Typically,the service provider will charge a flat fee for unlimited calls between IP Telephony subscribers (on-net-to-on-net calls). Per use or minute chargers will be incurred only when the subscriber makes calls to PSTN numbers (on-net-to-off-net calls) through one of the PSTN gateways. CDR (call detail record) data are generated by the PSTN gateway and sent to the billing servers.

Provisioning Servers: Provisioning servers are used to provision the subscriber user agent devices, e.g. the BX212. When a subscriber signs up for IP Telephony service, he selects an appropriate service level and enters his personal information including billing information. This information is processed by the provisioning server and stored into the service provider¡¯s customer database. The provisioning server generates a device profile based on the subscriber¡¯s choice of options. The device profile, which is list of configuration parameters, is downloaded into the BX212 from the provisioning server.The BX212 can be configured to contact the provisioning server periodically to check for any update of the device profile, which may include a firmware upgrade or configuration modification to the BX212.

Application Servers: Application servers are used to provide value added services, such as call forwarding, outgoing or incoming call blocking.

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