Panasonic KX-FP342CX, Service Manual

Page: 179 / 247

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