Dynamix 4-Band VDSL CO/CPE Modem User manual

4-Band VDSL CO/CPE MODEM USER’S MANUAL Ver. A.2
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4-Band VDSL CO/CPE Modem
USER’S MANUAL

4-Band VDSL CO/CPE MODEM USER’S MANUAL Ver. A.2
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Best viewed at full screen.
VDSL Point to Point Solution
The 4-BAND VDSL CO MODEM works as Ethernet to/from VDSL subscriber-site conversion bridge. The 4-BAND VDSL CO MODEM
uses QAM-based 4-band VDSL technology which supports max distance of 1.9km (6333ft) at 5M/5M or 1.3km (4333ft) at 15M/15M, or
800m (2666ft) at 25M/25M symmetrical data service. The 4-BAND VDSL CPE MODEM also works with 4-BAND 8ports & 24ports VDSL
IP DSLAM, together to form a cost-effective solution for services such as remote lecturing, telemedicine, video conferencing,
Video-on-Demand (VOD), IP-TV, Internet access and various high-speed data applications.
The front-panel provides LED indications of system and interface status. The built-in POTS/ISDN splitter allows a standard POTS
phone or ISDN device to be connected. Full or half-duplex mode of LAN operations is automatically sensed and configured. VDSL link
rates are configured by local Modem or IP DSLAM over auto speed or fix speed function.
Therefore, 4-BAND VDSL CO MODEM supports plug & play operations on the subscriber-site and can do auto and manual selection of
the data speed. An ideal solution for delivering cost-effective, high-performance broadband/multimedia services to Multi-Dwelling Units
(MDU) and Multi-Tenant Units (MTU) such as hotels, campuses, hospitals environments.

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Table of Contents
VDSL Point to Point Solution………………………………………………………………………………………………2
1. Unpacking Information…………………………………………………………………………………………………..4
2. Installing the Modem……………………………………………………………………………………………………..5
Hardware Installation………………………………………………………………………………………………………..5
Pre-installation Requirements……………………………………………………………………………………………..5
General Rules…………………………………………………………………………………………………………………5
Connecting the Modem……………………………………………………………………………………………………..6
Connecting the RJ-11 / RJ-45 Ports………………………………………………………………………………………7
3. Hardware Description…………………………………………………………………………………………………….9
Front Panel…………………………………………………………………………………………………………………….9
Rear Panel…………………………………………………………………………………………………………………….11
Side Panel…………………………………………………………………………………………………………………….12
4. Firmware Description……………………………………………………………………………………………………14
Appendix A: Cable Requirements………………………………………………………………………………………..15
Appendix B: Product Features and Specification…………………………………………………………………….17
Appendix C: Troubleshooting…………………………………………………………………………………………….19
Appendix D: Compliance and Safety Information…………………………………………………………………….23
Warranty………………………………………………………………………………………………………………………25

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1. Unpacking Information
Check List
Carefully unpack the package and check its contents against the checklist.
PackageContents
zVDSL 4-Band Modem (4-BAND VDSL CO MODEM for CO side/ 4-BAND VDSL CPE MODEM for CPE side)
zAC To DC Power Adapter
zFour plastic feet
zUser Manual
zRJ-45 cable
zRJ-11 cable
Please inform your dealer immediately for any missing items or damaged parts.
If possible, retain the carton including the original packing materials.
Use them to repack the unit in case there is a need to return for repairing.

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2. Installing the Modem
Hardware Installation
This chapter describes how to install the Modem and establishes network connections and may install the Modem on any level
surface (e.g. a table or shelf). However, please take note of the following minimum site requirements before one begin. Stick the 4
plastic feet at the bottom to avoid scratches.
Pre-installation Requirements
Before the start of actual hardware installation, make sure to provide the right operating environment including power requirements,
sufficient physical space and proximity to other network devices that are to be connected.
Verify the following installation requirements:
zPower requirements: DC 5V/1A or above.
zThe Modem should be located in a cool dry place with at least 10cm/4in of space at the front and back for ventilation.
zPlace the Modem out of direct sunlight and away from heat sources or areas with a high amount of electromagnetic interference.
zCheck if network cables and connectors needed for installation are available.

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General Rules
Before making any connections to the modem, please note the following rules:
zEthernet port (RJ-45)
All network connections to the modem Ethernet port must be made using Category 5 UTP for 100Mbps; Category 3 and 4 UTP
for 10Mbps.
No more than 100 meters of cabling may be use between the MUX and HUB and an end node.
zVDSL port (RJ-11)
All home network connections to the RJ-11 port must use 24-26 gauge phone wiring.
zWe do not recommend using 28 gauge or above phone line.
Connecting the Modem
The Modem has one Ethernet port which supports connection to Ethernet operation. The devices attached to these ports must
support auto-negotiation or 10Base-T OR 100Base-TX unless they will always operate at half duplex.
Use any of the Ethernet ports to connect to devices such as NIC, Switch, bridge or router. You can also connect to another
compatible Modem to an RJ-45 port on the other device.
The RJ11 Line port is used to connect to the wall RJ-11 modular socket (outlet) which is connect to VDSL 4-Band CPE Modem side
(Point to point solution).
The RJ11 Phone port of the Modem can connected to a telephone and a computer sharing one telephone wire for making calls and
accessing the Internet at the same time.

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Connecting the RJ-11/RJ-45 Ports
The Modem’s RJ-11 ports support max distance 1.9km at 5M/5M or maximum speed at 25M/25M symmetrical and distances up to
800m data service across existing phone wiring without interfering with standard voice transmissions, easy-to-use does not require
the installation of any additional wiring. Every RJ-11 modular phone jack in the home can become a port on the LAN. Networking
devices can be installed on a single telephone wire that can span within 1.9km or 800m (depend on speed) between the two
farthest points. As shown in Figure 1.
Figure 1: VDSL Point-to-Point application

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z4-BAND VDSL CO MODEM has embedded splitter between every VDSL side (Line) and POTS (Phone) side. It permits you to
deliver broadband service on the same lines as Plain Old Telephone Service (POTS), PBX, ISDN traffic and VDSL Signal.
zThe RJ-11 port support 1.9km maximum distance at 5M/5M or maximum speed at 25M/25M symmetrical with distance up to
800m data service. When inserting a RJ-11 plug, make sure the tab on the plug clicks into position to ensure that it is properly
seated.
zDo not plug a RJ-11 phone jack connector into the Ethernet port (RJ-45 port). This may damage the modem. Instead, use only
twisted pair cables with RJ-45 connectors that conform to Ethernet standard.
Note:
zMake sure each twisted pair cable (RJ-45) does not exceed 100 meters (333 feet).
zRJ-11 port should use 24 ~ 26 gauge phone wiring and we do not recommend 28 gauge or above phone wiring.
zWe advise using Category 3, 4, 5 cables for cable modem or router connections to avoid any confusion or inconvenience in the
future upgrade.
zBe sure phone cable has been installed before 4-BAND VDSL CO MODEM and 4-BAND VDSL CPE MODEM powered on.

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3. Hardware Description
This section describes the important parts of the modem. It features the front panel, side panel and rear connectors.
Front Panel
The figure shows the front panel.
4-BANDVDSLCOMODEM 4-BANDVDSLCPEMODEM
Figure 2: 4 BAND VDSL CO/CPE MODEM Front panel
At a quick glance of the front panel, it is easy to tell if the CO modem has power, if it has signal from its Ethernet RJ-45 port
and if there is phone line signal on RJ-11 port.

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Front Indicators
The modem has Five LED indicators. The following Table shows the description. (Table 1)
LEDs Status Descriptions
PWR
(Power LED)
Steady
Green
It will light up (ON) to show that the product is
power good, and system reset OK.
E
(Ethernet LED)
Steady Green
Flashing
(LINK/ACT)
Each RJ-45 station port on the Ethernet is
assigned an LED light for monitoring port “Good
Linkage”. LED is normally OFF after the power on
operation, but will light up steadily to show good
linkage and flashing to show data transmission.
5
(VDSL LED) Steady Green
RJ-11 station port on the VDSL is assigned an
LED light for monitoring port “Good Linkage”. LED
is normally OFF after the power on operation, but
will light up steadily to show good linkage at
5Mbps data rate.
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(VDSL LED) Steady Green
RJ-11 station port on the VDSL is assigned an
LED light for monitoring port “Good Linkage”. LED
is normally OFF after the power on operation, but
will light up steadily to show good linkage at
15Mbps data rate.
25
(VDSL LED) Steady Green
RJ-11 station port on the VDSL is assigned an
LED light for monitoring port “Good Linkage”. LED
is normally OFF after the power on operation, but
will light up steadily to show good linkage at
25Mbps data rate.
Table 1: LED Indicators Description and Operation

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Rear Panel
The following figure shows the rear connectors. (Figure3)
Figure 3: Rear Connectors
The table shows the rear modem connectors, description and type. (Table2)
Connectors Description Type
Line For connecting to the VDSL Modem
Using a RJ-11 cable RJ-11
Phone For connecting to the telephone or Fax
、ISDN modem RJ-11
Ethernet For connecting to a Ethernet equipped
device RJ-45
Table 2: Description of Rear Modem Connector

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Side Panel
The following figure shows the DIP switch connection. (Figure 4)
Figure 4: Side Panel
At quick glance, it is easy to see that the DIP switch pin 1 is switch ON where it is in auto-speed and that is also the default mode.
Figure 5: DIP switch

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To set the data speed to 25Mbps simply switch ON pin 2 while the other pins are in reset mode. To change it to 15Mbps, switch ON
the pin 3 while the other pins are in reset mode and for 5Mbps switch on the pin 4 while other are in reset mode. Remember that no
two pins can be activated at the same time or it will result in error and for data speed of 5Mbps. Table shows the summary of DIP
switch configuration.
Speed mode Pin 1 Pin 2 Pin 3 Pin 4
Auto speed On Off Off Off
25Mbps Off On Off Off
15Mbps Off Off On Off
5Mbps Off Off Off On
Table 3: DIP Switch Configuration

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4. Firmware Description
Auto and manual data speed selector description:
4-Band VDSL CO modem is a 4 band VDSL solution which supports real plug & play and can do auto and manual selection of the
data speed, the setting of the data speed depends on the phone cable limit, they can support 5M/15M/25M symmetrical data service
but depends on installation environment. If 4-Band VDSL CO modem try to link at the data speed of 25Mbps but fails to do so, then
4-Band VDSL CO modem data speed must be lower due to the limitation of the phone cable length. If the cable length is unsure,
then auto selection of the data speed at the default setting is recommended. Power must be unplug before changing of data speed,
then power on and wait for VDSL to link again at the correct data speed function.
Speed mode limitation:
5M/5M mode within 1.9km (6333ft)
15M/15M mode within 1.3km (4333ft)
25M/25M mode within 800m (2666ft)
Note: We recommend that phone cable must meet CAT 3 standard or above and without clustering, otherwise the above
guarantee will be void.
Engineering Functions:
These functions is for maintaining and troubleshooting such as firmware upgrade, command line, SNR indicator, Ethernet and VDSL
port setting and status monitor and so on, which will be described in engineering manual.

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Appendix A: Cable Requirements
A CAT 3, 4 or 5 UTP (Unshielded Twisted Pair) cable is typically used to connect the Ethernet device to the modem.
A 10Base-T cable often consists of four pairs of wires, two of which are used for transmission. The connector at the end of the
10Base-T cable is referred to as an RJ-45 connector and it consists of eight pins.
The Ethernet standard uses pins 1, 2, 3 and 6 for data transmission purposes.
PIN MNEMONIC FUNCTION
1 TX+ Ethernet differential Transmit
signal(+)
2 TX- Ethernet differential Transmit
signal(-)
3 RX+ Ethernet differential receive
signal(+)
4 NC Unused
5 NC Unused
6 RX- Ethernet differential receive signal(-)
7 NC Unused
8 NC Unused
Table 4: RJ-45 Ethernet Connector Pin out Assignments

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Standard telephone wire of any gauge or flat type, twisted or quad is used to connect the modem to the telephone network. A
telephone cable typically consists of three pairs of wires, one of which is used for transmission. The connector at the end of the
telephone cable is called an RJ-11 connector and it consists of six pins. POTS (plain old telephone services) use pins 3 and 4 for
voice transmission. A telephone cable is shown in Figure 6.
A
B
Figure 6: Telephone cable
Connectors A and B on the rear of the modem are RJ-11 connectors. These connectors are identically wired. The RJ-11 connectors
have six positions, two of which are wired. The Modem uses the center two pins. The pin out assignment for these connectors is
presented in Table 5.
Pin# MNEMONIC FUNCTION
1NC Unused
2NC Unused
3TIP POTS
4RING POTS
5NC Unused
6NC Unused
Table 5: RJ-11 Pin out Assignments

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Appendix B: Product Features & Specification
Product Name：4-BAND VDSL CO/CPE MODEM
Features:
zCompliant with IEEE802.3 10BASE-T standard.
zCompliant with IEEE802.3u 100BASE-TX standard.
zCompliant with ETSI, ITU, ANSI standards
zMax speed 5M/5M with distance up to 1.9km(6333ft)
zMax speed 15M/15M with distance up to 1.3km(4333ft)
zMax speed 25M symmetrical and distances up to 800m(2666ft).
zSupports 1 * RJ-11 connector for Ethernet over VDSL.
zSupports 1 * RJ-11 connector for telephone/PBX connection.
zSupports 1 * RJ-45 port for 10/100Mbps Ethernet with Auto MDI/MDIX.
zSupports 1* Dip switch(4-BAND VDSL CO MODEM only) for fix speed mode selection
zSupports Auto-speed and full duplex for VDSL port.
zSupports long packet size up to 1536 bytes
zSupports POTS/ISDN voice pass and PBO(Power Back Off) function.
zSupports 4 wires phone set pass through.
zSupports console port for firmware upgrade and maintain (LT only).
zVoice and Data work on the same telephone line.
zSpectral compatibility with xDSL, ISDN (2B1Q/4B3T).
zSupports flow control IEEE802.3x for Full Duplex & Back Pressure for Half Duplex.
zSupports Surge protection.
zProvides Power LED.
zProvides LED indication Link/Active Status for Ethernet port and Link for VDSL port.
zExternal switching power adapter Input: AC 85-240 volts/50-60Hz; Output: DC 5V/1A or above.
zMini size and metal case design

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Specifications:
zStandard
IEEE802.3 standard
IEEE802.3u standard
Compliant with ETSI, ITU & ANSI standards
zInterface
1 * RJ-45 10/100Mbps Ethernet port
1 * RJ-11 connector for EoVDSL
1 * RJ-11 connector for telephone connection
Console port: RS-232C / 19200bps(4-BAND VDSL CO Modem only)
zCable Connections
RJ-45 (Ethernet): Category 3, 4, 5 UTP/STP
RJ-11 (EoVDSL): Twisted Pair phone wire
zProvides LED indication Link/Active Status for Ethernet port and Link for VDSL port.
zVDSL Frequency Spectrum:
4-BAND VDSL CO MODEM_ Transmitter: 900 kHz ~ 3.9MHz
Receiver: 4MHz & 7.9MHz
4-BAND VDSL CPE MODEM_ Transmitter: 4MHz ~ 7.9MHz
Receiver: 900 kHz ~ 3.9MHz
zPOTS/ISDN pass filter Spectrum: 0 ~ 630kHz
zPower Consumption: 4-BAND VDSL CO Modem (LT): 5.4W / 4-BAND VDSL CPE Modem (NT): 6W.
zOperating Temperature: -20°C ~ 70°C (-4F ~ 158F)
zStorage Temperature: -20°C ~ 70°C (-4F ~ 158F)
zHumidity: 10 to 90% (non-condensing)
zDimensions: 95mm x 110mm x 24mm (3.74" x 4.33" x 0.94").

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Appendix C: Troubleshooting
Diagnosing the Modem’s Indicators
The Modem can be easily monitored through its comprehensive panel indicators. These indicators assist the network manager in
identifying problems the hub may encounter. This section describes common problems you may encounter and possible solutions.
1.Symptom: Power indicator does not light up (green) after power on.
Cause: Defective External power supply.
Solution: Check the power plug by plugging in another that is functioning properly. Check the power cord with another device. If these
measures fail to resolve the problem, have the unit power supply replaced by a qualified distributor.
2.Symptom: Link indicator does not light up (green) after making a connection.
Cause: Network interface (e.g. a network adapter card on the attached device), network cable, or switch port is defective.
Solution:
2.1 Power off and re- power on the VDSL Modem.
2.2 Verify that the switch and attached device are powered on.
2.3 Be sure the cable is plugged into both the switch and corresponding device.
2.4 Verify that the proper cable type is used and its length does not exceed specified limits.
2.5 Check the Modem on the attached device and cable connections for possible defects.
2.6 Make sure phone wire must be connected between 4-BAND VDSL CO Modem and 4-BAND VDSL CPE Modem first,
when both are to be power on.
2.7 Replace the defective Modem or cable if necessary.
3.Symptom: VDSL Link cannot be established.
Cause: VDSL auto speed failure or phone cable length is over specification with the limit of 1.9km or not a 24 gauge phone wire with
twisted pair.
Solution:
3.1 Please make sure phone wire must be connected between 4-BAND VDSL CO Modem and 4-BAND VDSL CPE Modem

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when both are power on. 4-BAND VDSL CO Modem will do auto speed function depending on phone wire length, therefore if
4-BAND VDSL CO Modem can’t detect 4-BAND VDSL CPE Modem over phone wire while both power on, this will cause the
linktofail.
3.2 Please check phone cable must be 24 gauge with twist pair and without rust, and the length is not over 1.9km.
Note: Phone cable must meet Cat 3 standard or above and without clustering, otherwise will cause more cross talk issue to
reduce DSL power driver.
4. Symptom: VDSL speed mode LED is always flashing.
Cause: VDSL speed mode link is at the limit of phone cable length.
Solution: Please change speed mode through Dip switch.
5. Symptom: We tested with a regular S0 bus from an NTBA - data works, but ISDN telephone does not.
Solution: You must connect according to the following chart if you want to connect CO and CPE with NTBA.