5.1.3 G_LITE
An AAM8000 port set at G.lite and using a single line for both phone and data requires
installation of an in-line splitter at the Central Office (or other IP DSLAM location) and
installation of microfilters at the customer premises.
5.2 Port Mode
5.2.1 Adaptive (Default)
An AAM8000 port set to Adaptive will automatically train up to the best possible speed
supported by the AAM8000, the remote ADSL modem and the copper cable pair.
5.2.2 On
An AAM8000 port set to ON requires upstream and downstream bandwidths to be specified
individually; see Section 5.3 Speed.
5.2.3 Off
An AAM8000 port set to OFF has been administratively turned off.
5.3 Speed
The default AAM8000 bandwidth setting is Adaptive, allowing each port to train up to the best
possible speed circumstances will allow. The eventual outcome could be any combination of existing
upstream and downstream bandwidths and may or may not be reflected in the following tables.
When Port Mode is set to ON, upstream and downstream bandwidths must be selected manually for
that port; see the NMS Management User Guide and/or the CLI and SNMP Management User Guide
for further instruction regarding parameter configuration. Distance capabilities listed below assume
the use of 26 American Wire Gauge (AWG) cable; connections made with cable of a greater gauge
(e.g., 24 AWG) will link up at greater distances. The units may not link up if the cable is in poor
condition or if the cable distance is greater than a particular bandwidth will support.
Remote ADSL modems determine line speed through their communication with the AAM8000.
*Under optimal circumstances, the AAM8000-24 is capable of reaching downstream speeds of up to 10,050 kbps.
N
OTE
Maximum possible distances are shown in the following tables for various sample combinations of
upstream and downstream speeds over a typical line. Data given is meant solely as a guide in
determining achievable distances at various bandwidth settings; these tables are not
comprehensive.
The many attainable combinations of upstream and downstream bandwidth, along with
corresponding speed possibilities for each, are far more numerous than what is feasible to list here.
Full Rate (T1.413, Alcatel and G.DMT) ADSL Distance Capabilities
UPSTRM
kbps
1,024 1,024 1,024
960
896
832
736
576
416
384
288
192
96
DWNSTRM*
8,064 7,712 7,072
5,632
4,480
3,584
2,784
2,144
1,696
1,184
832
512
288
DISTANCE
feet
8,000 9,000 10,000 11,000 12,000 13,000 14,000 15,000 16,000 17,000 18,000 19,000 20,000
meters 2,438 2,743 3,048
3,353
3,658
3,962
4,267
4,572
4,877
5,182
5,486
5,791
6,096
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