Panasonic KX-FT21RS manual 126, Cfr

KX-FT21RS

Note 2 - Standard facsimile units conforming to T.3 must have the following capability: Index of cooperation (IOC)=264.

Note 3 - Standard facsimile units conforming to T.4 must have the following capability: Paper length=297 mm.

Signal	Identification Signal Format	Function
Training 1	———————	A fixed pattern is transmitted to the receiving side at a speed
		(2400 to 9600 bps) designated by DCS, and the receiving side
		optimizes the automatic equalizer, etc., according to this signal.
TCF	———————	Sends 0 continuously for 1.5 seconds at the same speed as the
(Training Check)		training signal.
CFR	X0100001	Notifies the sending side that TCF has been properly received. If
(Confirmation to Receive)		TCF is not properly received, FTT (Failure To Train) X0100010 is
		relayed to the sender. The sender then reduces the transmission
		speed by one stage and initiates training once again.
Training 2	———————	Used for reconfirming the receiving side like training 1.
Image Signal	Refer to the next page.	———————
RTC	———————	Sends 12 bits (0...01 × 6 times) to the receiver at the same speed
(Return to Control)		as the image signal and notifies completion of transmission of the
		first sheet.
EOP	X1110100	End of one communication
(End of Procedure)
MCF	X0110001	End of 1 page reception
(Message Confirmation)
DCN	X1011111	Phase E starts.
(Disconnect)
MPS	X1110010	Completion of transmission of 1 page. If there are still more
(Multi-Page Signal)		documents to be sent, they are output instead of EOP. After MCF
		reception, the sender transmits an image signal of the second
		sheet.
PRI-EOP	X1111100	If there is an operator call from the sender, it is output after RTC.
(Procedural Interrupt-EOP)
PIP	X0110101	This is output when an operator call is received.
(Procedural Interrupt Positive)

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