S27 Bit mapped configuration register

Bit 012345

Unused

Bit

6

0

CCITT V.22 (1200 bps); V.21 (300 BPS B0)

 

 

1

Bell 212A (1200 bps)

Bit

7

Unused

 

 

 

 

MNP Register Summary

S36 Negotiate failure treatment

0Hang up

1Attempt direct connection

2Reserved

3Attempt normal connection

4Attempt V.42bis then MNP 5 connection, if fail, hang up

5or 7 Attempt V.42bis then V.42, then MNP 5 connection, if fail, negotiate MNP 2-4 with constant terminal speed

S46 Protocol selection

136 Execute LAPM protocol with no BTLZ compression

138 Execute LAPM protocol with BTLZ compression

S48 V.42 negotiation action

0Disable the negotiation process; remote modem must be configured the same

3

Half duplex negotiation; your modem remains silent during detection

7

Enable negotiation

128Disable negotiation; bypass the detection and negotiation phases; proceed at once with the fallback action specified in S36

S82 Break handling; affected by \K commands

3

Send break immediately and save data in buffers

 

 

7

Send break immediately and ignore data in buffers

128

Break is sent in sequence with the transmitted data as \K5

B-12 Fax/Modem