Maxim Integrated Teridian V.22 bis Linux Softmodem for 73M1822/73M1922 MicroDAA - Manual (Page 37)

UG_1x22_043 V.22 bis Linux Softmodem for 73M1x22 MicroDAA User Guide
Rev. 1.5 37
S31 Data Modulation Status

0 Default value until connection is established
Bit Value Mode
0 1 Successful 4-Wire connection
1 2 Successful Bell 202 connection
2 4 Successful V22bis connection
3 8 Successful V22 connection
4 16 Successful Bell 212 connection
5 32 Successful Bell 103 connection
6 64 Successful V21 connection
7 128 Successful V23 connection
S119 Wait Before Connect
Allows programmable delay between completion of handshake and connect (ready for
data). User should be careful; Host will have to complete delay period before transmitting
data. Setting the value at this register will affect timing for all modes. Resolution is in 10
ms increments. The Default delay times are as follows:
QAM Answer Mode = 200 ms
PSK Answer Mode = 770 ms
PSK Originate Mode = 770 ms
FSK Originate Mode = 300 ms
NOTE: Special mode when S119 = $FF (Default), uses same value of wait as in the past.
S124 V23 Half Duplex Enable
Enables half duplex “ping-pong” mode. (Default = 0)
Bit 0
0 Selects V.23H 1200/75 bps Asymmetric Duplex mode.
1 Selects V.23H 1200 bps Half Duplex mode.
Bit 1-7 Reserved