ADTRAN ISU 2X64 user manual Number, LOW Layer Comp, S26.......DTE Rate Adjust

		Appendix D: S-Register List
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

61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 111