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88
The modulation settings are described in the table below.
Modulation Data Transmission Rate
Max Downstream
(Mbps)
Max Upstream
(Mbps)
G.Dmt
ITU-T G.992.1 standard.
12
1.3
G.lite
ITU-T G.991.2 standard.
4
0.5
T1.413
ANSI T1.413 Issue 2 standard.
8
1.0
ADSL2
ITU-T G.992.3 standard.
12
1.0
AnnexL
Annex L of ITU-T G.992.3 standard which supports longer loops
but with reduced transmission rates.
ADSL2+
ITU-T G.992.5 standard.
28
1.0
AnnexM
Annex L of ITU-T G.992.5 standard which supports extended
upstream bandwidth.
24
3
VDSL2
ITU-T G.993.2 standard.
100
60
The following table explains the maximum transaction power for each profile supported for SRG gateways.
Parameter
8a
8b
8c
8d
12a
12b
17a
Max DS Tx Power (dBm)
+17.5
+20.5
+11.5
+14.5
Max US Tx Power (dBm)
+14.5
Min bidirectional net data rate
50Mbps
68Mbps
100Mbps
Other Settings
Field Name
Description
Inner
Pair/Outer Pair
The RJ11 connector has four contacts. The center pair of pins is DSL1. The outer pins are the con-
tacts for DSL2. Select which pair should be used.
Capability
l
Bitswap Enable
: Enables adaptive handshaking functionality.
l
SRA Enable
: Enables Seamless Rate Adaptation.
l
PhyR Enable
: Enables Physical Layer Retransmission.
