RS900 Family Installation Guide
The EoVDSL ports can be configured in two modes – Auto Mode and Manual Mode. In Auto Mode,
which is the default mode, the unit will step through the different speeds and automatically select
the best bit-rate based on current line conditions. In Manual Mode the user can select one of the
speed settings and the unit will only attempt to attain the set speed. If the line conditions degrade
(reducing the SNR) but the unit is able to maintain the link, an alarm will be triggered to notify the
user of the reduced SNR. If the line conditions degrade such that the unit is unable to maintain the
current link, the unit will restart the scan process if in Auto Mode or re-attempt to attain the set
speed if in Manual Mode.
On 24 American Wire Gauge (AWG) Polyethylene Insulated Cable (PIC) twisted-pair the following
performance is typical with Universal EoVDSL ports:
Distance
[km] Distance
[feet] Downstream / Upstream
[Mbps]
Time to Achieve Port
Up in Auto Mode
[Seconds]
0.50 1600 35 15
0.60 2000 30 30
0.70 2300 25 45
0.90 3000 20 60
1.00 3300 15 75
1.30 4300 10 90
1.70 5600 5 105
2.00 6600 2.5 120
2.50 8200 1.2 150
Table 5 - Typical Performance on 24 AWG PIC twisted-pair with Universal EoVDSL ports
The following performance is typical with Long-Reach EoVDSL ports:
Distance
[km] Distance
[feet]
Downstream
(Master to Slave)
[Mbps]
Upstream
(Slave to Master)
[Mbps]
Time to Achieve Port
Up in Auto Mode
[Seconds]
0.50 1600 40 20 15
1.00 3300 25 5 30
1.50 4600 20 0.54 45
2.00 6600 15 0.54 60
2.50 8200 10 0.54 75
3.20 10500 5 0.54 90
4.00 13100 2.1 0.54 105
4.60 15100 1.2 0.54 120
5.00 16400 0.48 0.18 150
Table 6 - Typical Performance on 24 AWG PIC twisted-pair with Long-Reach EoVDSL ports
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