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Paradyne 3910 User Manual

Page 215

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COMSPHERE 3900 Series Modems

14-26

September 1998

3910-A2-GN32-40

Table 14-3

(12 of 13)

391x Series S-Registers

S-Register

DCP LCD

Command

Sequence

Description

S93

V.29 Retrain. When enabled, the modem transmits a training
sequence whenever it receives one. This configuration option should
normally be disabled for control modems.

Register has the following values:

0 = Enable
1 = Disable

The factory setting is Enable.

Configure\Edit\
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S94

V29 Link Configuration. Selects point-to-point or multipoint operation.

Register has the following values:

0 = PointToPoint
1 = Multipoint

The factory setting is PointToPoint.

Configure\Edit\
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S95

Trellis Multipoint (TMp) Train Time. Defines the length of time energy
is sent from the tributary modem to the control modem. More severe
line conditions require longer time selections.

Register has the following values:

0 = 10 milliseconds
1 = 20 milliseconds
2 = 50 milliseconds
3 = 100 milliseconds
4 = 200 milliseconds
5 = 300 milliseconds

The factory setting is 0 (10 milliseconds).

Configure\Edit\
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S96

Trellis Multipoint (TMp) Tx Preemphasis. Provides amplification for
frequencies above the carrier frequency to compensate for high
frequency line attenuation.

Register has the following values:

0 = Disable
1 = Enable

The factory setting is Disable.

Configure\Edit\
Leased