XL-VC102SD
VDSL CPE/Slave bridge
User’s Guide
XtendLan VC102SD – User’s Guide http://www.xtendlan.com
Contents
1 VDSL POINT TO POINT SOLUTION ..................................................................................................................................... 3
2 PRODUCT FEATURES & SPECIFICATION ......................................................................................................................... 5
3 UNPACKING INFORMATION ................................................................................................................................................. 6
4 INSTALLING THE MODEM .................................................................................................................................................... 7
5 HARDWARE DESCRIPTION ................................................................................................................................................... 9
6 CABLE REQUIREMENTS ...................................................................................................................................................... 11
7 TROUBLESHOOTING ............................................................................................................................................................. 12
8 COMPLIANCE AND SAFETY INFORMATION ................................................................................................................. 15
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1 VDSL Point to Point Solution
The VDSL (Very High Data Rate DSL) networking solution delivers cost-effective,
high-performance broadband access to multiunit buildings (hotels, apartment, and
multi-tenant unit office buildings) and enterprise campus environments such as
manufacturing, educational campuses, and medical facilities. VDSL technology dramatically
extends Ethernet over existing Category 1/2/3 wiring at speeds 10Mbps (full duplex) and
distances up to 1200 meters. The VDSL technology delivers broadband service on the same
lines as Plain Old Telephone Service (POTS), digital telephone, and ISDN system. In
addition, VDSL supports modes compatible with asymmetric digital subscriber line (ADSL),
allowing service providers to provision VDSL to buildings where broadband services already
exist.
The VDSL solution includes VDSL Concentrator (VDSL switches), VDSL CO (Point to Point),
and VDSL Modem for Customer Premise Equipment (CPE) device.
The VDSL solution delivers everything needed to quickly deploy an Ethernet-based network
with the performance required to deliver high-speed Internet access at much greater
distances and drive services like IP telephony and audio/video streaming. With this
technology, a broad range of customers can benefit from lower operating costs and rapid
deployment. This solution provides a RS-232C console port for monitoring VDSL status and
to configure speed.
This device is a CPE side solution, and bridge between external Internet backbone
through a router for IP sharing and the building 110D telephone rack or telephone box. It
utilizes the available telephone wire to enable high-speed Internet access to building
residents.
VDSL Modem uses the phone line networking technology endorsed by the VDSL, and utilizes the
already existing telephone wire to deliver 4/1, 5/10/15 Mbps Internet access on each RJ-11 port.
This gives users a low-cost, end-to-end solution and eliminates the need to train installation teams
on multiple systems.
Foreword
XL-VC102SD is an Ethernet to VDSL CPE side adapter that enables high speed internet
access to building residents, campuses students and hotel guests by connecting Ethernet
equipped computers, set-top box or any internet access device to the existing telephone
wires.
The VDSL Modem uses the phoneline networking technology endorsed by the VDSL, an
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association of industry-leading companies for in– networking focus on the existing telephone
wire.
The Modem utilizes the already existing telephone wire to deliver 10Mbps internet access
with no interference on the existing telephone service. It allows user to make calls while
access the internet on the same wire simultaneously. It even allows staying connected 24
hours on internet connections, thus, eliminating dial up prior to internet access.
The Modem is simple to install and use. Two RJ-45 Ethernet ports connect to a Router,
Ethernet Switch or to LAN card. The RJ11 ports available to connect to any existing modular
phone jack.
There are two RJ-11 jacks on the Modem to provide phone extensions.
No software installation makes the Modem highly compatible with different operating system
(Windows, Linux, Apple….etc).
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Product Features & Specification
Model Name: XL-VC102SD
Description: VDSL Modem with C.P.E. side (Slave)
Features:
¾ Compliant with IEEE 802.3 & 802.3u Ethernet Standards
¾ Compliant with ETSI, ITU, ANSI VDSL standards
¾ Provides 2 x 10/100M auto-sensing RJ-45 Ethernet ports
¾ Supports Bandwidth setup with 4/1,5/10/15 Mbps VDSL RJ-11 ports
¾ POTS / ISDN Splitter port RJ-11 x 1 (Splitter on board)
¾ Ethernet transport with POTS / ISDN traffic over single copper wire pair
¾ Spectral compatibility with XDSL, ISDN (2B1Q/4B3T).
¾ Robust operation on severely distorted line
¾ Provides Ready LED.
¾ Provides LED indication Link/Active Status for Ethernet port.
¾ Provides LED indication Link for VDSL port.
Specifications:
¾ Compliant with IEEE 802.3 & 802.3u Ethernet Standards
¾ Compliant with ETSI, ITU, ANSI VDSL standards
¾ 10/100M auto-sensing RJ-45 Ethernet ports x 2
¾ 4/1, 5/10/15 Mbps VDSL RJ-11 port x 1
¾ POTS / ISDN Splitter port RJ-11 x 1
¾ Surge Protection
¾ Switch method : store and forward
¾ Flow control Full duplex : IEEE 802.3x Half duplex : Backpressure
¾ Driver capable :
o 4/1Mbps: 1.9km
o 5Mbps :1.5km
o 10Mbps : 1.2km (Default)
o 15Mbps : 1km
¾ Indication LED x 3: Ready LED x1, Ethernet Link/Active LED x 1, VDSL Link LED x 1
¾ VDSL Frequency Spectrum :
o Transmitter ：0.9 ~ 3MHz
o Receiver：4.5 ~ 7.9 MHz
o Splitter : 0 ~ 620k
¾ Power consumption : 2.5 Watt
¾ Weight : 345 g
¾ Dimensions: 95 x 110 x 24 mm
¾ External switching power adapter Input :AC 100-240 volts/50-60Hz Output :DC 5V/1A
or above
o
¾ Operating Temperature : 0
¾ Storage Temperature : - 20
C ~ 50 oC (41F ~ 122F)
o
C ~ 65 oC (-4F ~ 149F)
¾ Humidity : 10%~90% non-condensing
Certifications : FCC, CE Mark class A, EN60950
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2 Unpacking Information
Carefully unpack the package and check its contents against the checklist.
Package Contents:
¾ VDSL CPE x 1
¾
Four plastic feet x 4
¾
AC To DC Power Adapter x 1
¾
RJ-45 cable x 1
¾ RJ-11 cable x 1
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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3 Installing the Modem
Hardware Installation
This chapter describes how to install the Modem and establishes network connections. You
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 you begin. Stick the 4 plastic feet at the
bottom to avoid scratches.
Pre-installation Requirements
Before you start the actual hardware installation, make sure you can 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:
Power requirements: DC 5V/1A or above
The Modem should be located in a cool dry place, with at least 10cm/4in of space at the front
and back for ventilation.
Place the Modem out of direct sunlight, and away from heat sources or areas with a high
amount of electromagnetic interference.
Check if network cables and connectors needed for installation are available
Connecting the Modem
The Modem has one Ethernet port which support 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 which is connect to VDSL
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
Connecting the RJ-11/RJ-45 Ports
The Modem’s RJ-11 ports support the transmission of data up to 4/1, 5/10/15Mbps 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
1.9/1.5/1.2/1km (depend on speed) between the two farthest points.
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VDSL CPE Modem has embedded Splitter between every VDSL side (Line) and POTS (Phone) side.
It permit you can delivers broadband service on the same lines as Plain Old Telephone Service
(POTS), PBX, ISDN traffic and VDSL Signal.
The RJ-11 port support 4/1,5/10/15 Mbps connections. When inserting a RJ-11 plug, be sure the tab
on the plug clicks into position to ensure that it is properly seated.
Do 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.
Notes:
Be sure each twisted-pair cable (RJ-45) does not exceed 100 meters (333 feet).
RJ-11 port use 24 ~ 26 gauge phone wiring, we do not recommend 28 gauge or above.
We advise using Category 3,4,5 cable for Cable Modem or Router connections to avoid any
confusion or inconvenience in the future when you upgrade attached to high bandwidth
devices.
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4 Hardware Description
This section describes the important parts of the Modem. It features the front indicators and
rear connectors.
Front Indicators
The following figure shows the front panel:
At a quick glance of the front panel, it is easy to tell if the CPE Modem XL-VC102SD has
power, if it has signal from its Ethernet RJ-45 port and if there is phone line signal on
RJ-11port
LED Description and Operation:
LEDs Status Descriptions
Ready
(Ready LED)
Steady Green
It will light up (ON) to show that the product is
power good, and system reset OK.
Each RJ45 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
Ethernet
(Ethernet LED)
Steady Green
Flashing
(LINK/ACT)
transmission.
RJ11 station port on the VDSL is assigned an
VDSL
(VDSL LED)
Steady Green
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.
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Rear Panel
The following figure shows the rear connectors
Table Modem Rear Connectors
Connectors Description Type
Line
For connecting to the VDSL Modem
Using a RJ-11 cable
For connecting to the telephone or Fax 、
Phone
ISDN modem
Ethernet
Power On
1. Check the adapter is properly connected.
2. Verify the power LED is steadily on.
For connecting to a Ethernet equipped
device
RJ-11
RJ-11
RJ-45
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5 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 the10Base-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.
RJ-45 Ethernet Connector Pin out assignments
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
Standard telephone wire of any gauge or type-flat, 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.
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 below.
RJ-11 Pin out assignments
PIN MNEMONIC FUNCTION
1 NC
2 NC
3 TIP
Unused
Unused
POTS
4 RING POTS
5 NC Unused
6 NC Unused
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6 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:
Symptom: Ready 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.
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:
1. Power off and re- power on the VDSL Modem.
2. Verify that the switch and attached device are powered on.
3. Be sure the cable is plugged into both the switch and corresponding device.
4. Verify that the proper cable type is used and its length does not exceed specified
limits.
5. Check the Modem on the attached device and cable connections for possible defects.
6. Replace the defective Modem or cable if necessary
7. Verify the VDSL switch and VDSL Modem during the same speed mode. You can
select VDSL Speed mode by 10 Mbps. Only same sp ee d mode can link and work.
VDSL default transmission mode is 10 Mbps
Symptom: VDSL Link can not be established.
Cause: Rusted phone wire, not standard 24 gauge phone wire, not twisted-pair phone wire,
wrong speed mode.
Solution: Check if speed of CO and CPE is in the same speed mode else please increase
interleaver depth value to 8 or above.
Symptom: We tested with a regular S0 bus from an NTBA - data works, but ISDN telephone
does not.
Solution: You have to connect as following chart if you want to connect VDSL CO Modem
Smart and VDSL CPE Modem with NTBA.
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Power and Cooling Problems
If the POWER indicator does not turn on when the power cord is plugged in, you may
have a problem with the power outlet, power cord, or internal power supply as explained
in the previous section. However, if the unit power is off after running for a while, check
for loose power connections, power losses or surges at the power outlet, and verify that
the fan on back of the unit is unobstructed and running prior to shutdown. If you still
cannot isolate the problem, then the internal power supply may be defective. In this case,
contact your dealer.
Installation
Verify that all system components have been properly installed. If one or more
components appear to be malfunctioning (e.g., the power cord or network cabling), test
them in an alternate environment where you are sure that all the other components are
functioning properly.
Transmission Mode
The default method of selecting the transmission mode for RJ-45 ports is 10/100 Mbps
ETHERNET, for RJ-11 port are 10Mbps VDSL. Therefore, if the Link signal is disrupted
(e.g., by unplugging the network cable and plugging it back in again, or by resetting the
power), the port will try to reestablish communications with the attached device via
auto-negotiation.
If auto-negotiation fails, then communications are set to half duplex by default. Based on this
type of industry-standard connection policy, if you are using a full-duplex device that does
not support auto-negotiation, communications can be easily lost (i.e., reset to the wrong
mode) whenever the attached device is reset or experiences a power fluctuation. The
best way to resolve this problem is to upgrade these devices to a version that support
Ethernet and VDSL.
Physical Configuration
If problems occur after altering the network configuration, restore the original
connections, and try to track the problem down by implementing the new changes, one
step at a time. Ensure that cable distances and other physical aspects of the installation
do not exceed recommendations.
System Integrity
As a last resort verify the switch integrity with a power-on reset. Turn the power to the
switch off and then on several times. If the problem still persists and you have
completed all the preceding diagnoses, then contact your dealer.
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7 Compliance and Safety Information
FCC Radio Frequency Interference Statement
This equipment has been tested and found to comply with the limits for a computing device,
pursuant to Part 15 of FCC rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses and can radiate radio frequency energy and,
if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will
not occur in a particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment off and on,
the user is encouraged to try to correct the interference by one or more of the following
measures：
1 Reorient or relocate the receiving antenna.
2 Increase the separation between the equipment and receiver.
3 The equipment and the receiver should be connected to outlets on separate circuits.
4 Consult the dealer or an experienced radio/television technician for help.
Changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment. If this telephone equipment causes
harm to the telephone network, the telephone company will notify you in advance that
temporary discontinuance of service may be required. But if advance notice isn’t practical,
the telephone company will notify the customer as soon as possible. Also, you will be
advised of your right to file a complaint with the FCC if you believe it is necessary.
The telephone company may make changes in its facilities, equipment, operations or procedures
that could affect the proper functioning of your equipment. If they do, you will be notified in advance
in order for you to make necessary modifications to maintain uninterrupted service. This equipment
may not be used on coin service provided by the telephone company. Connection to party lines is
subject to state tariffs.
Important Safety Instructions
Caution：The direct plug-in wall transformer serves as the main disconnect for the product. The
socket outlet shall be installed near the product and be readily accessible.
Caution：Use only the power supply included with this product.
In the event the power supply is lost or damaged：
¾ In the United States, use only with CSA certified or UL listed Class 2 power supply, rated
5VDC 1A or above.
¾ In Europe, use only with CE certified power supply, rated 5Vdc 1A or above.
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Do not use this equipment near water, for example in a wet basement.
Avoid using a telephone during an electrical storm. There may be a remote risk of electrical shock
from lightning.
Do not use the telephone to report a gas leak in the vicinity of the leak.
If trouble is experienced with this unit, please contact customer service at the address and
phone listed below. Do not disassemble this equipment. It does not contain any user
serviceable components.
FCC Warning
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference in which case
the user will be required to correct the interference at his own expense.
CE Mark Warning
This is a CE class A product. In a domestic environment, this product may cause radio interference
in which case the user may be required to take adequate measures.
Warranty
The original owner that the product delivered in this package will be free from defects in material and
workmanship for one year parts after purchase. There will be a minimal charge to replace
consumable components, such as fuses, power transformers, and mechanical cooling devices. The
warranty will not apply to any products which have been subjected to any misuse, neglect or
accidental damage, or which contain defects which are in any way attributable to improper
installation or to alteration or repairs made or performed by any person not under control of the
original owner.
The above warranty is in lieu of any other warranty, whether express, implied, or statutory,
including but not limited to any warranty of merchantability, fitness for a particular purpose,
or any warranty arising out of any proposal, specification, or sample. Shall not be liable for
incidental or consequential damages. We neither assumes nor authorizes any person to
assume for it any other liability.
Note: Please do not tear off or remove the warranty sticker as shown, otherwise the warranty will be
void.
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