Paradyne 7974 User Manual page 105

7900-A2-GB21-00
Table A-1. Network Interface Options (2 of 3)
AutoRate
Possible Settings: Enable, Disable
Default Setting: Disable
Determines whether the unit automatically adjusts to the best line rate for conditions, or
is fixed at the rate in the DSL Line Rate field.
H
AutoRate is only available when the unit is configured as an LTU.
Enable – The LTU adjusts to the best line rate. The maximum possible rate is the
setting of Max DSL AutoRate.
Disable – The LTU's line rate is the DSL Line Rate selected.
DSL Line Rate
Possible Settings (Model 7974): 144, 272, 400, 528, 784, 1040, 1552
Default Setting: 1552
Possible Settings (Model 7975): 144, 272, 400, 528, 784, 1040 (all units), 1552, 2064,
2320 (2 Mbps unit only)
Default Setting: 1040 (1 Mbps units) or 2320 (2 Mbps units)
Possible Settings (Model 7976): 144, 272, 400, 528, 784, 1040, 1552, 2064
Default Setting: 2064
Determines the fixed line rate of the LTU when AutoRate is disabled. See
Table A-3 for information about maximum payload rates for different DSL line rates.
H
DSL Line Rate is only available when the unit is configured as an LTU.
144 to 2064 – The fixed DSL Line Rate, in kbps.
Max DSL AutoRate
Possible Settings (Model 7974): 144, 272, 400, 528, 784, 1040, 1552
Default Setting: 1552
Possible Settings (Model 7975): 144, 272, 400, 528, 784, 1040 (all units), 1552, 2064,
2320 (2 Mbps unit only)
Default Setting: 1040 (1 Mbps units) or 2320 (2 Mbps units)
Possible Settings (Model 7976): 144, 272, 400, 528, 784, 1040, 1552, 2064
Default Setting: 2064
Determines the maximum rate the unit can AutoRate to. See
for information about maximum payload rates for different DSL line rates.
H
Max DSL AutoRate is only available when the unit is configured as an LTU and
AutoRate is enabled.
144 to 2064 – The AutoRate ceiling, in kbps.
EIA-530 Payload Rate
Possible Settings: 64, 128, 512, 768, 1024, 1536, 2048
Default Setting: [Highest multiple of 64 kbps supported by the DSL Line Rate]
Models 7974 and 7976. When the NTU has an EIA-530-A interface, the Payload Rate
set on the LTU determines the port speed of the synchronous port of the NTU. See
Table A-2 and Table A-3 for information about maximum payload rates for different DSL
line rates.
H
Payload Rate is only available when the unit is configured as an LTU. A Payload
Rate of 2048 is available only on Model 7976.
64 to 2048 – The Payload Rate, in kbps.
August 2000
Configuration Options
Table A-2 and
Table A-2 and Table A-3
A-3