2 specification – ATL Telecom Proscend 100 VDSL2 LAN Extender User Manual

Page 4

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VDSL2 LAN Extender User Manual V0.01

3

Two working modes are built in the same unit, which keep the

flexibility of installation and easy provision of service but lower

inventory of service provider.

Selectable fast and interleaved mode:

Fast mode guarantees a minimum end to end latency less than1

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 10 m sec. Interleaved mode

is the default mode.

Selectable target data rate and target SNR margin:

User has the ability to select fixed SNR margin (9 dB) or fixed target

data rate. When fixed SNR margin is selected, the systems will

maintain the SNR margin at 9 dB across all usable loop length.

When fixed target data rate is selected, the system will lock the data

rate up to 50 Mbps/30 Mbps whenever the calculated SNR margin

is higher than 9 dB. This gives best system stability and is the

default mode.

1.2 Specification

LAN Interface:

RJ-45 connector

Complying with IEEE 802.3/802.3u/802.3x

10/100 Base-T Auto-Negotiation, Auto-MDI/MDI-X.

VDSL Interface:

RJ-45 connector

DMT Encoding

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