LevelOne VDS-0120 PSE Manuale utente
LevelOne
User Manual
VDS-0120
VDSL2 Ethernet Converter(PSE)
1
2
Table of Content
1. Introductions..........................................................3
2. Application Notes..................................................3
3. Features................................................................4
4. Packing Contents..................................................4
5. LED Indicators.......................................................5
6. Dip Switches Settings ...........................................5
7. Data Rates & Distances........................................7
1. Introductions
The VDS-0120, a VDSL2 (Very high-bit-rate Digital Subscriber Line) PSE LAN Extender,
provides a broadband transmission up to 100/60Mbps of downstream/upstream data rate over
single pair copper line for point-to-point Ethernet connectivity. With 100/60Mbps data rate,
VDS-0120 supports transmission distance up to 300 meters, and 30/10 Mbps for 1km long range
connection. Users may also select a fixed data rate or a fixed SNR margin for different copper line
ranging. With Power Sourcing Equipment, VDS-0120 provides power supply over Ethernet cable to
the 802.3af compliant power device.
With plug and play features and minimum installation time, each VDS-0120 can be configured into
either CO for central side or RT for remote side by dip switch setting. The VDS-0120 conforms to
the ITU-T G.993.1 and G.993.2 to meet VDSL/VDSL2 and SG15Q4 DMT for network requirements.
A pair of V102 and VDS-0120 offers a cost effective solution for bandwidth-hungry applications
such as LAN-to-LAN connectivity, Video Streaming, FTTB, and MDU/MTU over single twisted pair
telephone line.
2. Application Notes
1) Ethernet To Ethernet Bridge Extension
VDS-0200 VDS-0120
3
4
3. Features
¾ITU-T G.993.1, G.993.2 VDSL/VDSL2 and SG15Q4 DMT Compliance
¾100/60Mbps DownSream/UpStream for distance up to 300 meters
¾Supports VDSL2 connection up to 2000 meters
¾IEEE802.3af compliant -48V Power-Sourcing-Ethernet (PSE) standard
¾Minimum 15.4Watt for Class 3 output power
¾RJ11 for DSL interfaces + RJ45 for Ethernet LAN port
¾Five LED Indicators
¾4 Dip Switches for Configuration Settings
¾Trellis Coding support up to 1024 Discrete Multi-Tone (DMT) bins
¾Auto MDIX for 10/100 BaseT Ethernet LAN Ports
¾Low-Latency for Video/Voice/Data applications
¾Line Surge Protection
¾Selectable Fast and Interleaved modes
zFast mode guarantees a minimum end to end latency less than 1 ms.
zInterleaved 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 10
ms. Interleaved mode is the default mode.
¾Selectable fixed data rate and fixed SNR margin
zUser may select fixed SNR margin (9 dB) or fixed target data rate.
zWhen fixed SNR margin is selected, the systems will maintain the SNR margin at 9 dB
across all available loop length.
zWhen fixed target data rate is selected, the system will lock the data rate at 50/20Mbps
whenever the calculated SNR margin is higher than 9 dB. This will result in the best
system stability and is the default mode.
4. Packing Contents
Inside the package you should find:
(1) One VDS-0120 VDSL2 PSE LAN Extender
(2) One AC to DC Power Adaptor (DC12V/2.5A)
(3) One User Manual CD
Please check if the packing is damaged or any component is missing. If so, please contact your
distributor.
5. LED Indicators
On the front panel of VDS-0120, there are four LED indicators as the following
VDS-0120 Rear Panel
POWER:“Green On” indicates power is on and normal.
LAN:“Green On” indicates Ethernet LAN port is in connection.
“Flashing” indicates Ethernet LAN data activities.
DSL:“Green On” indicates VDSL2 is in connection.
“Flashing” indicates VDSL2 is in line handshaking.
M/S:“Green On” indicates VDS-0120 is set as Slave (VTU-R) mode.
“OFF” indicates VDS-0120 is set as Master (VTU-C) mode.
PSE:“Green On” indicates VDS-0120 is providing power over Ethernet.
“OFF” indicates the Power Sourcing Equipment is OFF.
6. Dip Switches Settings
Pin 1 Pin 2 Pin 3 Pin 4
VTU-C/R Mode Rate Limit SNR
5
OFF VTU-C Interleaved 50/20 Mbps 9dB
ON VTU-R Fast Full Rate 6dB
Pin 1: VTU-C/R Switch
VTU-C: VDS-0120 will act as at the Central Office (CO) side.
VTU-R: VDS-0120 will act as at the Customer Premise Equipment (CPE) or Remote side.
Pin 2: Mode for impulse noise protection
Interleave mode: Protection for up to 250ms impulse noises with latency less than 6 ms.
Fast mode: Direct data transmission with latency less than 1ms.
Pin 3: Rate limit control
50/20 Mbps: Line rate limited to 50/20 Mbps.
Full Rate: Provides up to 100Mbps/60Mbps line rate in short line.
Pin 4: Signal to Noise Ratio (SNR)
6
7
9dB: Higher SNR margin (9dB) will result in less error with more stable VDSL2 link.
6dB: Original and Normal channel noise protection with 6 dB SNR.
7. Data Rates & Distances
Performance in AWG 26 Line at 6dB with full rate
Down Stream
Data Rate (Mbps) Up Stream
Data Rate (Mbps) Distance
(feet)
100 60 500
98 53 1000
90 44 1250
80 36 1500
70 27 1750
60 18 2000
48 11 2500
39 8 3000
35 3.5 3500
28 0.3 4000
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