Adtran Two-Way Radio ISU 2X64 Manual Do Utilizador

Appendix D: S-Register List

61200051L1-1D

ISU 2x64 Dual Port ISDN Service Unit User Manual

S22.......MSG BITS

Miscellaneous message bits (bit 8 is most significant 
bit).

 

Bit 5 = bit 6 = bit 7 = 1 allows connect message with 
baud rate.
Bit 5 = bit 6 = bit 7 = 0 connect message without baud 
rate.

S23.......MAKE BUSY

Number assigned by the telephone company when 

FEATURE BUTTON

requested 

by user.  Make Busy option is translated for

NUMBER

an ISDN line and the feature button number must be 
entered into this S register.  Useful for Hunt-Group 
operation.
Range = 0 to 255
0 is default.

S24.......V.120

Value determines whether or not the V.120 bit is set 

              

LOW LAYER COMP.      in setup messages for CCITT V.120 calls. Some  terminal 

adapters require that this bit be set to connect V.120 
calls.
0 = Set V.120 bit in call setup message (default)
1 = Do not set V.120 bit in call setup message

S25.......DTR DELAY

Value determines the minimum time a change of state 
on DTR must last before the unit responds.  The value 
is in hundredths of seconds.
Range = 0 to 255
5 is default (50 milliseconds)

S26.......DTE RATE ADJUST

Determines CLEAR CHAN protocol automatically re-
ducing DTE RATE for non-64K call types. 
0 = CLEAR CHAN changes DTE rate from 64K to         
56K for non-64K call types (default).
1 = CLEAR CHAN does not change DTE rate from 
64K to 56K for non-64K call types.

                                     
S27.......PPP MODE 

Value determines whether PPP will be a single-link or 
multilink connection.
0 = Single-link operation (default)
1 = Multi-link operation
2 = Use compression