
IES-1248-51V User’s Guide
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CHAPTER 16
xDSL Port Setup
This chapter explains how to configure settings for profiles and individual ADSL
ports. It also covers how to configure virtual channels and virtual channel profiles.
16.1 ADSL Standards Overview
These are the ADSL standards and rates that the IES-1248-51V supports at the
time of writing. The actual transfer rates will vary depending on what the
subscriber’s device supports, the line conditions and the connection distance.
16.2 Downstream and Upstream
Downstream refers to traffic going out from the IES-1248-51V to the subscriber’s
ADSL modem or router. Upstream refers to traffic coming into the IES-1248-51V
from the subscriber’s ADSL modem or router.
16.3 Profiles
A profile is a table that contains a list of pre-configured ADSL settings. Each ADSL
port has one (and only one) profile assigned to it at any given time. You can
configure multiple profiles, including profiles for troubleshooting. Profiles allow you
Table 19 ADSL Standards Maximum Transfer Rates
STANDARD MAXIMUM DOWNSTREAM MAXIMUM UPSTREAM
G.dmt 8160 Kbps 1024 Kbps
ANSI T1.413 issue 2 8160 Kbps 1024 Kbps
ADSL2 12000 Kbps 1200 Kbps
ADSL2 Annex M 12000 Kbps 2400 Kbps
ADSL2+ 25000 Kbps 1200 Kbps
ADSL2+ Annex M 25000 Kbps 2400 Kbps
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