Huawei SmartAX MA5603T Configuration Manual page 818

SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Commissioning and Configuration Guide
Table 10-6 Typical configurations for key parameters of a VDSL2 line (0.4 mm twisted pair)
Parameter
Selected VDSL2
profile
PSD mask
Enable US0 (U0)
Maximum transmit
rate downstream
Issue 01 (2014-04-30)
Access Distance
< 100 m < 300 m
30a 17a
B8-16 B8-11
(998- (998ADE
M2x-B) 17-M2x-
A)
No Yes
100 Mbit/ 50 Mbit/s
s
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300-500 m 500-800 m
12a 8b, 12a
B8-6 (998- B8-6 (998-
M2x-B) M2x-B)
Yes Yes
40 Mbit/s 25 Mbit/s
10 FTTD Configuration
Remarks
800-1000 m
8b A 30a VDSL2
profile is
recommended
on an FTTD
network.
B8-6 (998- None
M2x-B)
Yes Enable US0 if
the distance is
longer than
500 m.
20 Mbit/s l Limiting
the
upstream
and
downstrea
m rates
ensures a
higher
signal-to-
noise ratio
(SNR)
margin for
the line and
therefore
enhances
its
capability
for
withstandin
g noise and
interferenc
e.
l The rates
can be
specified
using these
two
parameters
and also
can be
793