MCE-Coax Converter User Manual

MCE-Coax Converter User Manual



MCE-Coax Converter

User Manual

P/N 1069177 • REV 1.0 • ISS 22FEB10



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Regulatory information

© 2010 GE Security, Inc.

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Chapter 1

Introduction 1

Package Contents 1

Introduction 2

MCE-Coax Features 4

Product Specifications 4

Chapter 2

Hardware Overview 7

Front Panel 7

LED Indicators 8

The Back Panel 9

Power Information 10

Chapter 3

Installtion 13

Installing Ethernet with the VDSL2 Converter 13

Connecting MCE-Coax 14

Chapter 4

Troubleshooting and FAQs 17

Troubleshooting 17

FAQs 18

MCE-Coax Converter User Manual i

ii MCE-Coax Converter User Manual

Chapter 1


The GE Security MCE-Coax is a high-performance Ethernet-over-VDSL2 product that converts data between twisted pair (UTP) and coaxial wiring.

Package Contents

Check the contents of your package for following parts:

• Ethernet over VDSL2 Converter – Coaxial x1

If any of these items are missing or damaged, please contact your dealer immediately.

MCE-Coax Converter User Manual 1


Chapter 1: Introduction


GE Security's state-of-the-art Ethernet-over-VDSL2 products are based on two core networking technologies: Ethernet and VDSL2 (Very-high-data-

rate Digital Subscriber Line 2). This technology offers the absolute fastest possible data transmission speeds over existing coaxial cables without the need for rewiring.

The MCE-Coax Ethernet over VDSL2 converters have a switching architecture with one RJ-45 10/100Mbps Ethernet port and one asymmetric Ethernet over VDSL port. The VDSL port uses a BNC connector. The MCE-Coax can be set to CO mode or CPE mode via a DIP switch. When the MCE-Coax-CO is used to connect to the other MCE-Coax-CPE as a standalone pair, you can get up to a 100/65Mbps asymmetric data rate within 200m and up to

70/10Mbps asymmetric data rate at 1.6km. This capability is ideal for use as an Ethernet extender for your existing Ethernet network.

GE Security's VDSL2 Converter solution provides a much cheaper replacement and smoother migration for existing Long Reach Ethernet (LRE) networks.

The cable specifications of the connection are listed as following:

• 10Base-T, Category 3, 4 or 5 UTP

• 100Base-TX, Category 5, 5e, 6 UTP

• Ethernet over VDSL, Coaxial cable

Figure 1 shows a typical application for the Ethernet over VDSL converter.


Slave device (CPE) must connect to Master device (CO) through the telephone wire. Slave cannot connect to Slave and Master cannot connect to

Master. To define the MCE-Coax to CO or CPE, please refer to the Mode DIP

Switch section for more detail.

MCE-Coax Converter User Manual

Figure 1: Typical application

Chapter 1: Introduction

MCE-Coax Converter User Manual 3

Chapter 1: Introduction

MCE-Coax Features

The MCE0Coax Converter has the following key features:

• Cost-effective VDSL2 CO/CPE bridge solution

• One box design, CO/CPE selectable via DIP Switch

• Complies with IEEE 802.3, IEEE 802.3u and IEEE 802.3x standards

• DMT (Discrete Multi-Tone) line coding

• Half duplex Back pressure and IEEE 802.3x Full Duplex Pause frame flow control

• Support up to 1536 bytes packet size, 802.1Q VLAN tag transparent

• VDSL2 stand-alone transceiver for simple bridge modem application

• Minimal installation time (Simply as Plug-and-Play)

• Selectable target data rate and target SNR margin

• Support extensive LED indicators for network diagnostics

• Compact in size, easy installation


Product Specifications

Hardware Specification



1 RJ-45, Auto-negotiation and Auto-MDI/MDI-X


1 BNC, female connector

DIP Switch



4 position DIP switch

CO / CPE mode select

Selectable Fast and Interleaved mode

Selectable target Data Rate

Selectable target SNR mode


- ITU-T G.993.1 VDSL

MCE-Coax Converter User Manual

Chapter 1: Introduction

LED Indicators



(Down Stream / Up




Power Requirement

Operating Temperature

Storage Temperature

Operating Humidity

Storage Humidity

Standard Conformance

Regulation Compliance

- ITU-T G.997.1

- ITU-T G.993.2 VDSL2 (Profile 12a Support), Annex A

One Power

3 for RJ-11/VDSL2 WAN :

Green, LNK/ACT

Green, CO mode

Green, CPE mode

2 for RJ-45 10/100Base-TX port

Green, LNK/ACT.

Green, Speed

10Base-T: 2-pair UTP Cat.3, 4, 5 up to 100m (328ft)

100Base-TX: 2-pair UTP Cat.5, 5e up to 100m (328ft)

50 ohm, RG58A/U, RG58C/U, RG58/U or equivalent

200m -> 100/65Mbps

400m -> 100/65Mbps

600m -> 100/58Mbps

800m -> 100/52Mbps

1000m -> 100/42Mbps

1600m-> 70/10Mbps

5V DC 2A



10% to 90%, relative humidity, non-condensing

10% to 90%, relative humidity, non-condensing

FCC Part 15 Class A, CE

MCE-Coax Converter User Manual 5

Chapter 1: Introduction

Standards Compliance

IEEE 802.3 10Base-T

IEEE 802.3u 100Base-TX

IEEE 802.3x Flow Control


G.993.1 (VDSL)


G.993.2 VDSL2 (Profile 12a Support), Annex A

*The actual data rate will vary on the quality of the coaxial cable and environment factors.

Physical Specifications

Dimensions (W × D × H): 3.82” x 2.76” x 1.02” / 97 x 70 x 26mm


0.44 lbs / 200g

Environmental Specifications


Temperature: 0°C - 50°C

Relative Humidity: 5% - 90% (non-condensing)


Temperature: -20°C - 70°C

Relative Humidity: 5% - 90% (non-condensing)

Electrical Specifications

Power Requirement: 5V, 2A

Power Consumption: 5.60Watts/19 BTU (maximum)

6 MCE-Coax Converter User Manual

Chapter 2

Hardware Overview

MCE-Coax provides 1 BNC connector and supports 50-ohm cable with a distance of up to 1.6km. It has 1 RJ-45 port for two different running speeds -

10Mbps, 100Mbps, in the same converter and automatically distinguishes the speed of incoming connection. This section describes the hardware features of these Converters. For easier control of the converter, familiarize yourself with its display indicators, and ports. Front panel illustrations in this chapter display the unit LED indicators. Before connecting any network device to the converter, read this chapter carefully.

Front Panel

The MCE-Coax front panel provides a simple interface monitoring the converter.

Figure 2: MCE-Coax front panel

7 MCE-Coax Converter User Manual


Chapter 2: Hardware Overview

LED Indicators

The diagnostic LEDs on the front panel provide the operating status of individual ports and the whole system.


LED Color












Lit: Indicates that the VDSL link is established.

Fast Blink:

Indicates that the VDSL link is at training status(about 10 seconds)

Slow Blink: Indicates that the VDSL link is at idle status






Indicates that the port is link down

Indicates the VDSL Bridge is running at CO mode

Indicates the VDSL Bridge is running at CPE mode

10/100Base-TX Port

LED Color Function










Indicates that the port is link up.

Indicates that the Converter is actively sending or receiving data over that port

Indicates that the port is link down

Indicates that the port is operating at 100Mbps.

Indicates that the port is link down or 10Mbps.

MCE-Coax Converter User Manual

The Back Panel

The back panel of the MCE-Coax is shown below.

Figure 3: MCE-Coax back panel

Chapter 2: Hardware Overview


The MCE-Coax has 4 selective transmission modes. By switching between the transmission modes, you can obtain the best transmission mode to suit your phone line quality or distance of connectivity. The following is the summary table of transmission settings, bandwidth and distance extensibility without noise and cross talk.


Mode Channel Rate Limit SNR


CO 9dB




CO (Central Office) - the Master device mode, usually the CO device will be located at the data center of ISP or enterprise to link to the backbone.

CPE (customer premises equipment) - the Slave device mode, usually the CPE device will be located at a branch office, home or remote side as

MCE-Coax Converter User Manual 9

Chapter 2: Hardware Overview a long reach data receiver. The CPE can be connected to the PC, IP

Camera or Wireless Access Point and various network devices.

Fast and Interleave mode: (For CO Mode only)

• Fast mode guarantees a minimum end to end latency of less than 1 ms.

• Interleaved mode provides impulse noises protection for any impulse noise with a duration less than 250 us. Interleaved mode has a maximum end to end latency of 10m sec.

Rate Limit: (For CO Mode only)

User has the ability to select fixed data rate. When a Rate Limit is selected, the system will lock the data rate at 50Mbps/20Mbps whenever the calculated SNR margin is higher than 9 dB. This gives the best system stability.

Target SNR (Signal Noise Ratio) Margin: (For CO Mode only)

When a fixed SNR margin is selected, the system will maintain the SNR margin at 9 dB across all usable loop length.

Power Information

Remove power from the converter before making any transmission mode adjustments.

MCE-Coax requires 5V DC power input.


The device is a power-required device, that means, it will not work untill it is powered. If your networks are active all the time, please consider using UPS (Uninterrupted Power Supply) for your device. It will prevent network data loss or network downtime.

In some areas, installing a surge suppression device may also help to protect your converter from being damaged by unregulated surge or current to the converter or the power adapter.

10 MCE-Coax Converter User Manual

Chapter 2: Hardware Overview

Power Jack

The power jack of the MCE-Coax is with a 2.5mm central post and requires

+5VDC power input. The MCE-Coax DOES NOT come bundled with an AC-DC adapter.

The DC receptacle is 2.5mm wide, which conforms to and matches the

VDSL2 Converter 2.5mm DC jack's central post.

Figure 4: The power jack


This product is intended to be supplied by a UL Listed Direct Plug-In

Power Unit marked "Class 2" or "LPS" and output rated 5 VDC, 2 Amp minimum.

MCE-Coax Converter User Manual 11

Chapter 2: Hardware Overview

12 MCE-Coax Converter User Manual

Chapter 3


Installing Ethernet with the VDSL2


The Converter does not require any software configuration. Users can immediately use any feature of this product simply by attaching the cables and plugging the power in. There are certain key limitations on the Ethernet over VDSL2 converter. Please check the following items:

• This device is used for Point-to-Point connection only (Master device to

Slave device).

• 1 BNC connector and supports 50 ohm cable. Depending on the quality of coaxial cable, the maximum distance of one VDSL segment is 1.6km with 5C coaxial cable.

• The maximum distance will change with the quality of coaxial cables.

MCE-Coax Converter User Manual 13

Chapter 3: Installation

Connecting MCE-Coax

Connecting to a Standalone IP device

The following procedures will help you setup the MCE-Coax to a standalone


1. Set the MCE-Coax to be in CO or CPE mode with the DIP switch at the rear panel.

2. Power on the MCE-Coax by connecting a power source (not supplied with unit).

3. Power LED will illuminate.

4. Connect coaxial cable from another VDSL device to VDSL BNC port of the MCE-Coax.

5. LNK LED will from blinking to illuminate.

6. Connect the Ethernet port to another Ethernet device via regular Cat.

5/5e UTP cable.

Figure 5: Connecting Standalone IP device

14 MCE-Coax Converter User Manual

Chapter 3: Installation

Connecting Multiple PCs to an Ethernet LAN

The following procedures will help you setup the MCE-Coax to an Ethernet


1. Set the MCE-Coax to be in CO or CPE mode with the DIP switch at the rear panel.

2. Power on the MCE-Coax by connecting a power source (not supplied with unit).

3. Power LED will illuminate.

4. Connect a VDSL line/coaxial cable from another VDSL device to the VDSL

BNC port of the MCE-Coax.

5. LNK LED will illuminate.

6. Connect the Ethernet port to an Ethernet Switch (or Broadband Router) via regular Cat. 5/5e cable.

Figure 6: Connecting Multiple PCs to an Ethernet LAN


Please refer to your Ethernet device’s User Manual for the device's set up information.

MCE-Coax Converter User Manual 15

Chapter 3: Installation

16 MCE-Coax Converter User Manual

Chapter 4

Troubleshooting and




VDSL LNK LED is not lit after the wire is connected to the VDSL port.


1. Verify the length of the coaxial cable connected. Bbetween two MCE-

Coaxs it should not be more than 1.6km. Also try to adjust the DIP switch of MCE-Coax to another SNR mode.

2. Please note one MCE-Coax must be in CO mode and the other MCE-Coax must be in CPE mode for communication to work.

MCE-Coax Converter User Manual 17

Chapter 4: Troubleshooting and FAQs


TP LNK/ACT LED does not lite after the cable is connected to the port.


1. Verify you are using the Cat.5 or better cable with an RJ-45 connector to connect to the port.

2. If your device (like LAN card) supports Auto-Negotiation, please try to manually set at a fixed speed for your device to solve this problem.

3. The converter and the connected device's power is not on.

4. Make sure that all the cabling is firmly seated in its connectors in the switch and in the associated device that the port's cable is attached to.

5. The connecting cable is working good and is the correct type.

6. The connecting device, including any network adapter is functional.


Q1: What voltage does the MCE-Coax use?

A1: 5VDC, 2A

Q2: What is VDSL2?

A2: VDSL2 (Very High-Bit-Rate Digital Subscriber Line 2), G.993.2 is the newest and most advanced standard of xDSL broadband wire line communications.

Designed to support the wide deployment of Triple Play services such as voice, data, high definition television (HDTV) and interactive gaming, VDSL2 enable operators and carrier to gradually, flexibly, and cost efficiently upgrade exiting xDSL-infrastructure.

18 MCE-Coax Converter User Manual

Chapter 4: Troubleshooting and FAQs

Q3: What is the best distance for MCE-Coax?

A3: In order to guarantee stability and a better network, we suggest that the distance of 1.6 kilometer is best for the MCE-Coax.

Q4: What is the best date rate for the MCE-Coax?

A4: The data rate of the MCE-Coas is up to 65Mbps/100Mpbs (upstream / downstream) in 200 meters.

Q7: What is SNR and what's its effect?

A7: In analog and digital communications, Signal-to-Noise Ratio, often written SNR, is a measure of signal strength relative to background noise.

The ratio is usually measured in decibels (dB).

In digital communications, the SNR will probably cause a reduction in data speed because of frequent errors that require the source (transmitting) computer or terminal to resend some packets of data. SNR measures the quality of a transmission channel over a network channel. The greater the ratio, the easier it is to identify and subsequently isolate and eliminate the source of noise.

Generally speaking, the higher SNR value gets the better the line quality, but lower performance.

MCE-Coax Converter User Manual 19

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