Toshiba GD-1221, GD-1220 Pip, Pin, Pri-Eom, Pri-Mps, Pri-Eop, Ppr, Pps, Ctc, Ctr, Eor, Rtp

PIP	Procedure Interrupt Positive
	Informs that the image signals have been received correctly and requests the operator’s reply by
	telephone or to return to the beginning of the phase B to continue the communication (i.e., CALL
	Request, etc.).
PIN	Procedure Interrupt Negative
	Informs that the image signals have not been received correctly and requests for operator’s reply
	by telephone or to return to the beginning of the phase B to continue the communication.
PRI-EOM	Procedure Interrupt EOM
	Command similar to EOM. Operation by operator is necessary.
PRI-MPS	Procedure Interrupt MPS
	Command similar to MPS. Operation by operator is necessary.
PRI-EOP	Procedure Interrupt EOP
	Command similar to EOP. Operation by operator is necessary.
DCN	Disconnect
	Command to disconnect the FAX line and to connect the telephone line. Reply from the other side
	is not necessary.
RR	Receive Ready
	Informs that the FAX is ready to receive documents and requests for data to set the reception
	mode. (ECM mode)
RNR	Receive Not Ready
	Informs that the FAX is not in the receivable state. (ECM mode)
PPR	Partial Page Request
	Informs that a part of page (ECM block) has not been received correctly. The number of the frame
	needs to be corrected is informed by the FIF. (EC mode)
PPS	Partial Page Signal
	Informs that a part of page (ECM block) or one page has been transmitted. (EC mode)
CTC	Continue to Correct
	Replies to the 4th PPR which requests to correct the image signal; informs that the transmitting
	station will continue to correct the frame data. (ECM mode)
CTR	Response for Continue to Correct
	Replies to CTC and informs that the receiving station has received and accepted the CTC. (EC
	mode)
EOR	End of Retransmission
	Informs that the transmitting station has completed the correction of the error frame data (binary
	signal) of the previous ECM block. (ECM mode)
ERR	Response for End Retransmission
	Replies to EOR and requests to transmit the image signal of the next ECM block. (ECM mode)
RTP	Retrain Positive
	Informs that the message has been received completely and that the subsequent message can be
	continued after receiving the synchronization signal and CFR signal.
CRP	Command Repeat
	Requests to resend all the commands including optional frames because the preceding command
	has been received incorrectly.

GD-1220/1221	© 2006 - 2008 TOSHIBA TEC CORPORATION All rights reserved
DIALING/COMMUNICATION CONTROL

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