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VC-231GF 1-Port 1000BASE-X SFP + 1-Port RJ11 VDSL2 Converter

VC-231GF 1-Port 1000BASE-X SFP + 1-Port RJ11 VDSL2 Converter
VC-231GF 1-Port 1000BASE-X SFP + 1-Port RJ11 VDSL2 Converter
VC-231GF 1-Port 1000BASE-X SFP + 1-Port RJ11 VDSL2 Converter
VC-231GF 1-Port 1000BASE-X SFP + 1-Port RJ11 VDSL2 Converter
VC-231GF 1-Port 1000BASE-X SFP + 1-Port RJ11 VDSL2 Converter
VC-231GF 1-Port 1000BASE-X SFP + 1-Port RJ11 VDSL2 Converter
VC-231GF 1-Port 1000BASE-X SFP + 1-Port RJ11 VDSL2 Converter

The Planet VC-231GF is a Long Reach Ethernet solution Single-port Gigabit Ethernet-over-VDSL2 Converter for connecting ultra-fast FTTx deployment with the existing in-building and in-house telephone wire installation.

An Innovative Last Mile Solution Integrated with FTTx and VDSL2

The Planet VC-231GF features one 1000BASE-X SFP slot for remote optical fibre Ethernet connection and one RJ11 port with the VDSL2 technology to provide an excellent bandwidth of up to a total duplex data rate of 300Mbps and can extend a maximum distance of up to 1.4km (4,593ft) over existing telephone wire to the in-house VDSL2 router or bridge, which overcomes in-house fibre installation problems.

The VC-231GF allows ISPs (internet service providers) and System Integrators to deploy Gigabit Ethernet optical fibre cables in the front of the building or subscriber’s house and provide high-speed triple play services over existing telephone wire. They can simply upgrade their current networks without any difficulty. The VC-231GF's compact-sized metal housing makes the installation in a telecom box convenient.

Fibre-Optic Link Capability Enables Extension of FTTx Deployment

With the built-in 1000BASE-X SFP (Mini-GBIC) fibre interface, the Planet VC-231GF supports different optic types for network extension and the distance can be up to 120 km through the fiber connection. Thus, building a network solution of FTTH (Fibre to the Home), FTTC (Fibre to the Curb) for ISPs or FTTB (Fibre to the Building) becomes so easy when long-distance deployment is employed.

VDSL2 Delivering High-demanding Service Connectivity for ISP/Triple Play Devices 

The VC-231G provides an excellent bandwidth demand for triple play devices for home entertainment and communication. Via the latest VDSL2 (Very-high-data-rate Digital Subscriber Line 2) technology, the VC-231GF offers selectable asymmetric/symmetric data rate capability. It works well with a pervasive telephone line network with a symmetric data rate of up to 150/150Mbps (G.INP, Sym, 8dB) over a distance of 300m and 25/15Mbps over a long distance of 1km. The VC-231GF 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.

Versatile, Flexible and Easy Installation 

The Planet VC-231GF Ethernet-over-VDSL2 converter come with a Plug and Play design. The VC-231GF offers two operation modes, CPE for client side and CO for central side. The CPE or CO mode can be adjusted by using a built-in DIP switch.

For point-to-point connection, the VC-231GF’s CO mode and the VC-231G’s, VC-234G’s or VDR-301N’s CPE mode must be set up as one pair of converters to perform the connection. It gives administrators the ability to reply a fresh local Intranet in various locations by utilizing the original network structure without additional costs.

Implementing with Existing Telephone System

Use the additional splitter from the package of the VC-231GF to share the existing phone line with POTS, thus replacing the existing copper wiring is not necessary. Just plug the VC-231GF with the additional splitter into the existing RJ11 telephone jack and a high-performance VDSL2 network can be connected. It is ideal for use as an Ethernet extender to an existing Ethernet network.

Physical Ports

-  1 x 1000BASE-X SFP interface

-  1 x RJ11 connector for xDSL port with VDSL2 connection


VDSL2 Features

- VDSL2 stand-alone transceiver for simple bridge modem application

- Cost-effective bridge function to connect two Ethernet LANs

- Up to 150/150Mbps bandwidth (in G.INP, Sym, 8dB mode)

- Voice and data communication can be shared simultaneously based on the existing telephone wire with distance up to 1.4km

- ITU-T G.993.2 VDSL2 standard

- ITU-T G.993.5 G.Vectoring and G.INP

- DMT-based coding technology 

- CO/CPE mode selectable via DIP switch

- Selectable target band plan (symmetric and asymmetric) and SNR margin

- Supports IEEE 802.1Q VLAN tag transparency


Hardware and Installation

- Compact size, wall-mountable design; ideal solution for space-limited locations

- Din-Rail Mounting Available (RKE-Din kit Sold Separately)

- Advantage of minimum installation time (Simply by Plug and Play)

- Metal case, good for heat sinking

- Supports extensive LED indicators for network diagnosis

-  Additional POST splitter to share voice and data

- Supports 6KV DC Ethernet ESD protection

Hardware Specifications

LAN Port

1 x 1000BASE-SX/LX SFP interface


1 x VDSL2 RJ11 female phone jack

Twisted-pair telephone wires (AWG-24 or better) up to 1.4km

Phone Port

Additional splitter for POTS connection

DIP Switch & Functionality

4-position DIP switch

- CO or CPE mode selectable

- Selectable G.INP and interleaved mode

- Selectable target band plan

- Selectable target SNR mode

LED Indicators

1 x  Power: Green

1 x 1000BASE-SX/LX LNK/ACT: Green

1 x VDSL: Green

1 x  CO: Green

1 x CPE: Green

ESD Protection





Wall mount or DIN rail with an optional kit (RKE-DIN)

Dimensions (W x D x H)

97 x 70 x 26 mm



Power Requirements

DC 5V, 2A external power

Power Consumption

4.3 watts/14BTU (maximum)

Switch Specifications

Switch Processing Scheme


Address Table

2K entries

Flow Control

Back pressure for half duplex

IEEE 802.3x pause frame for full duplex

Maximum Packet Size


System Specifications

VDSL Compliance


- 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

Performance* (Downstream/Upstream)

Interleave, Asym, 8dB

    200M ----> 190Mbps/87Mbps

 400M ----> 161Mbps/60Mbps

 600M ----> 118Mbps/36Mbps

 800M ----> 59Mbps/24Mbps

 1000M --> 47Mbps/7Mbps

 1200M --> 39Mbps/4Mbps

 1400M --> 25Mbps/4Mbps

Interleave, Sym, 8dB

 200M ----> 147Mbps/139Mbps

 400M ----> 112Mbps/110Mbps

 600M ----> 75Mbps/73Mbps

 800M ----> 44Mbps/44Mbps

 1000M --> 26Mbps/25Mbps

 1200M --> 24Mbps/13Mbps

 1400M --> 20Mbps/9Mbps

G.INP, Asym, 8dB

 200M ----> 197Mbps/101Mbps

 400M ----> 168Mbps/65Mbps

 600M ----> 109Mbps/34Mbps

 800M ----> 65Mbps/20Mbps

 1000M --> 53Mbps/7Mbps

 1200M --> 44Mbps/4Mbps

 1400M --> 28Mbps/4Mbps

G.INP, Sym, 8dB

 200M ----> 150Mbps/150Mbps

 400M ----> 117Mbps/117Mbps

 600M ----> 77Mbps/77Mbps

 800M ----> 43Mbps/43Mbps

 1000M --> 29Mbps/28Mbps

 1200M --> 27Mbps/15Mbps

 1400M --> 22Mbps/10Mbps

Interleave, Asym, 12dB

 200M ----> 178Mbps/84Mbps

 400M ----> 143Mbps/53Mbps

 600M ----> 99Mbps/32Mbps

 800M ----> 48Mbps/22Mbps

 1000M --> 41Mbps/5Mbps

 1200M --> 33Mbps/3Mbps

 1400M --> 23Mbps/3Mbps

Interleave, Sym, 12dB

 200M ----> 135Mbps/127Mbps

 400M ----> 96Mbps/96Mbps

 600M ----> 61Mbps/59Mbps

 800M ----> 40Mbps/40Mbps

 1000M --> 23Mbps/18Mbps

 1200M --> 22Mbps/9Mbps

 1400M --> 16Mbps/7Mbps

G.INP, Asym, 12dB

 200M ----> 185Mbps/89Mbps

 400M ----> 148Mbps/54Mbps

 600M ----> 95Mbps/32Mbps

 800M ----> 58Mbps/14Mbps

 1000M --> 46Mbps/6Mbps

 1200M --> 37Mbps/3Mbps

 1400M --> 25Mbps/3Mbps

G.INP, Sym, 12dB

 200M ----> 140Mbps/140Mbps

 400M ----> 97Mbps/97Mbps

 600M ----> 60Mbps/60Mbps

 800M ----> 35Mbps/35Mbps

 1000M --> 26Mbps/21Mbps

 1200M --> 25Mbps/11Mbps

 1400M --> 18Mbps/8Mbps

Standards Compliance

IEEE 802.3z Gigabit SX/LX

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

xDSL Compatibility







* Performace is based on the VC-231GF (CO mode) that Operates with PLANET VC-231G (CPE mode). The actual data rate will vary on the quality of the copper wire and environmental factors.

Distance Extension with High-Performance FTTx Network Communications

A set of the VC-231GF and VC-231G (VDSL2 Converter) or VDR-301N (VDSL2 Router) could be used to link fiber network and home network that are located in a different place. Through the normal telephone line, it could be set up a 150/150Mbps (G.INP, Sym, 8dB) symmetric backbone, but one VC-231GF must be Master (CO mode) and the remote VDSL2 converter or VDSL2 Router is Slave (CPE mode).

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