ZyXEL Communications U-336R/RE manual Clock Options, Synchronous Mode Operation

Syntax	Command with	Description
	Parameters*
CRN	CRN <dialstring>**	Call request with number
		provided.
CRS	CRS n	Call request with number from
		memory, 0 # n # 49;
		n is the memory location.
PRN	PRN n; <number>	Saves <number> to address n
		(0 # n #49).
RLN	RLN***	Requests list of all stored
		numbers.
DIC	DIC	Ignores incoming call.
CIC	CIC	Accepts incoming call.
CFI	CFI XX	Call failure indication:
		ET	Engaged Tone.
		NS	Number is not stored.
		RT	RING Tone.
		AB	Abort Call.
		NT	Answer Tone is not
		detected.
INC	INC	Incoming call.
VAL	VAL	Valid.
INV	INV	Invalid.
LSN	LSN n; <number>	List of stored numbers.
		(Response to RLN)
RST	RST	Changes to the asynchronous
		AT command mode.

Clock Options

Synchronous data must be transmitted and received with a common timing clock. This timing clockis used to transmit data from the DTE to the modem which modulates the data according to this clock. The receiving modem recovers the clock and data from the

30 Synchronous Mode Operation