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Planet VC-234G

Planet VC-234G

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PLANET VC-234G, a new-generation and high-performance Gigabit Ethernet-over-VDSL2 Converter, works well with a pervasive telephone line network with a symmetric (downstream/upstream) data rate of up to 150/150Mbps (G.INP, Sym, 8dB) over a distance of 300m and 20/12Mbps over a long distance of 1.4km. It is based on the two-core networking technology, Gigabit Ethernet and VDSL2 (Very-high-data-rate Digital Subscriber Line 2). The VDSL2 technology offers absolutely the fastest data transmission speed over the existing copper telephone lines without the need of rewiring.
With integrated support for the ITU-T’s new G.993.5 vectoring technology, the VC-234G works in conjunction with vectoring-enabled DSLAMs to remove crosstalk interference and improve maximum line bandwidth across the existing copper telephone infrastructure.


Implementing with Existing Telephone Copper Wires
The VC-234G is also a Long Reach Ethernet (LRE) Bridge providing four RJ45 Ethernet ports and two RJ11 phone jacks, in which one is for VDSL connection and the other one is for POTS (Plain Old Telephone Service) connection. The VC-234G has a built-in POTS splitter to share the existing phone line with POTS; therefore, there is no need to replace the existing copper wiring. Just plug the VC-234G into the existing RJ11 telephone jack and a high-performance VDSL2 network can be connected. The VC-234G is ideal to be used as an Ethernet extender to an existing Ethernet network.


Delivering High-demand Service Connectivity for ISP/Triple Play Devices
The VC-234G provides excellent bandwidth to satisfy the triple play devices for home entertainment and communication. With the capability of 200/100Mbps (G.INP, Asym, 8dB) asymmetric data transmission, the VC-234G enables many multi-media services to work on the local Internet, such as VoD (video on demand), voice over IP, video phone, IPTV, Internet caching server, distance education, and so on.


Easy and Flexible Installation
The Ethernet-over-VDSL2 Converter comes with a Plug-and-Play design and is fully compatible with all kinds of network protocols. Moreover, the operating status of each individual port and the whole system can be watched via the rich diagnostic LEDs on the front panel. The VC-234G offers two modes, CPE and CO, for application -- CPE mode is used at client side and CO mode is at central side. The CPE or CO mode can be adjusted by using a built-in DIP switch. For the point-to-point connection, a CPE mode and a CO mode must be set up as one pair of converters to perform the connection.


ADSL2+ Fallback
For those ISPs that still provide ADSL broadband service, the VC-234G can support a downstream rate of up to 24Mbps and an upstream rate of 1Mbps with the ADSL2+ technology. The VC-234G can also be directly switched over to VDSL2 after the network upgrade.

Ethernet Distance Extension
Two VC-234G devices, acting as a standalone pair, are good for Ethernet distance extension over the existing telephone wires. With just one pair of AWG-24 copper wires, you can easily connect two Ethernet networks together with a maximum data rate of 200Mbps. The telephone service can still be used while the VC-234G CO/CPE is in operation. The two solutions listed below are typical applications for the Ethernet over VDSL2 Bridge.

MTU/MDU/Hospitality Solution
The VC-234G is a perfect solution to quickly providing cost-effective yet high-speed network services to multi-unit buildings such as residential buildings (multi-dwelling units), commercial (multi-tenant units) buildings, hotels and hospitals. By utilizing the existing telephony infrastructure, network installation is straightforward and requires no new wiring. With up to 200/100Mbps (G.INP, Asym, 8dB) transmission, VoD, IP telephony and various broadband services can be easily provided.

Last Mile of FTTx Deployment
The VC-234G is an ideal solution for FTTx (Fiber to the Building, Fiber to the Campus or Fiber to the Node) applications. It supports high-bandwidth VDSL2 over the existing telephone wires in the “last mile” from the telecom or Internet service provider’s fiber node to the buildings and customers’ apartments. The 10/100/1000Mbps port of the VC-234G can be directly connected to a PC or Ethernet devices such as Ethernet switches or broadband routers. It is excellent for phone line network built under Internet because every room or house can use the existing phone line to transmit data through the Internet and the whole building can share the Internet to the wider area network at a minimum cost.

  • ITU-T G.993.5 G.Vector and G.INP
  • DMT-based coding technology
  • Built-in POST splitter to share voice and date
  • One RJ11 connector for VDSL port with VDSL connection
  • One phone connector for telephone connection
  • Voice and data communication can be shared simultaneously based on the existing telephone wire
  • CO/CPE mode selectable via DIP switch
  • Selectable target band plan and SNR margin
  • Up to 200/100Mbps (G.INP, Asym, 8dB) bandwidth
  • 4 10/100/1000BASE-TX LAN ports
  • Complies with IEEE 802.3, 10BASE-T, IEEE 802.3u, 100BASE-TX and IEEE 802.3x, flow control Ethernet standards
  • Half duplex back pressure and IEEE 802.3x full duplex pause frame flow control
  • Supports IEEE 802.1Q VLAN tag transparency
  • VDSL2 stand-alone transceiver for simple bridge modem application
  • Advantage of minimum installation time (Simply Plug-and-Play)
  • Supports extensive LED indicators for network diagnosis
  • Compact in size and easy to install
Hardware Specifications
LAN Ports 4 10/100/1000BASE-T RJ45 auto-MDI/MDI-X ports
VDSL Port 1 VDSL2 RJ11 female phone jack
Twisted-pair telephone wires (AWG24 or better) up to 1.4km
Phone Port 1 RJ11, built-in splitter for POTS connection
Dimensions (W x D x H) 154.6 x 86.0 x 26.3 mm
Weight 350g
Power Requirements 5V DC, 2A external power
LED Indicators 1 power: Green
4 1000BASE-T LNK/ACT: Green
4 100BASE-TX LNK/ACK: Green
1 VDSL: Green
1 CO: Green
1 CPE: Green
Housing Metal
DIP Switch & Functionality 4-position DIP switch

CO/CPE mode select

Selectable G.INP and interleaved mode

Selectable target Band plan

Selectable target SNR mode

Switch Specifications
Switch Processing Scheme Store-and-Forward
Address Table 2K entries
Flow Control Back pressure for half duplex
IEEE 802.3x pause frame for full duplex
Jumbo Packet Size 9K bytes
System Specifications
VDSL Compliance VDSL-DMT
ITU-T G.993.1 VDSL
ITU-T G.997.1
ITU-T G.993.2 VDSL2 (Profile 17a/30a Support)
ITU-T G.993.5 G.vectoring
ITU-T G.998
ADSL Compliance Capable of ADSL2/2+ standard

ITU G.992.3 G.dmt.bis

ITU G.992.5 G.dmt.bisplus

Data Rate: Up to 24Mbps



Interleave, Asym, 8dB
200M ----> 193Mbps/89Mbps
400M ----> 164Mbps/69Mbps
600M ----> 112Mbps/39Mbps
800M ----> 70Mbps/14Mbps
1000M --> 46Mbps/7Mbps
1400M --> 21Mbps/4Mbps

Interleave, Sym, 8dB
200M ----> 142Mbps/139Mbps
400M ----> 116Mbps/118Mbps
600M ----> 70Mbps/73Mbps
800M ----> 50Mbps/40Mbps
1000M --> 24Mbps/24Mbps
1400M --> 10Mbps/6Mbps

G.INP, Asym, 8dB
200M ----> 200Mbps/100Mbps
400M ----> 170Mbps/68Mbps
600M ---->113Mbps/37Mbps
800M ----> 70Mbps/18Mbps
1000M --> 51Mbps/7Mbps
1400M --> 24Mbps/2Mbps

G.INP, Sym, 8dB
200M ----> 150Mbps/150Mbps
400M ----> 120Mbps/126Mbps
600M ----> 73Mbps/78Mbps
800M ----> 48Mbps/43Mbps
1000M --> 27Mbps/26Mbps
1400M --> 10Mbps/5Mbps

Interleave, Asym, 12dB
200M ----> 180Mbps/80Mbps
400M ----> 145Mbps/57Mbps
600M ----> 95Mbps/32Mbps
800M ----> 60Mbps/13Mbps
1000M --> 39Mbps/6Mbps
1400M --> 18Mbps/2Mbps

Interleave, Sym, 12dB
200M ----> 137Mbps/129Mbps
400M ----> 99Mbps/102Mbps
600M ----> 54Mbps/61Mbps
800M ----> 41Mbps/35Mbps
1000M --> 22Mbps/19Mbps
1400M --> 7Mbps/3Mbps

G.INP, Asym, 12dB
200M ----> 185Mbps/90Mbps
400M ----> 150Mbps/60Mbps
600M ----> 94Mbps/36Mbps
800M ----> 61Mbps/14Mbps
1000M --> 44Mbps/6Mbps
1400M --> 21Mbps/1Mbps

G.INP, Sym, 12dB
200M ----> 142Mbps/136Mbps
400M ----> 103Mbps/110Mbps
600M ----> 57Mbps/65Mbps
800M ----> 38Mbps/36Mbps
1000M --> 14Mbps/13Mbps
1400M --> 8Mbps/3Mbps

*Note: As there are various resistance values in the category of RJ11 cable, the actual data rate will vary on the quality of the copper wire and environmental factors.
Standards Conformance
Standards Compliance IEEE 802.3 Ethernet
IEEE 802.3u Fast Ethernet
IEEE 802.3ab Gigabit Ethernet
IEEE 802.3x Full-duplex flow control
IEEE 802.1p Class of Service
ITU-T G.993.1 VDSL
ITU-T G.997.1
ITU-T G.993.2 VDSL2 (Profile 17a/30a support)
ITU-T G.993.5 G.Vectoring & G.INP
ITU-T G.998
Model Name Description
 VC-234G 4-Port 10/100/1000T Ethernet to VDSL2 Bridge