Konica Minolta FK-502 Service Manual page 55

2. COMMUNICATION CONTROL
B. sample of a signal procedure at sending two pages
(1) Beginning of communications to beginning of 1st page transmission
Change and determination
of the V 8 communication
ability and directions
Call
Terminal
CNG CM CJ
Answer
Terminal
ANSam
JM
Network Interaction
Note - The string of consecutive 1s shall be followed by the 4T of scrambled ones defined in 12.6.3/V34.
(2) Signals between pages
Source Terminal
Image
Data
Recipient Terminal
(3) 2nd page transmission termination to communication termination
Source Terminal
Image
Data
Recipient Terminal
Note - Some terminals may disconnect the line immediately after sending DCN without sending consecutive 1s.
32
Phase 2
Determination of the Modulation
Control channel startup
Mode for measuring line
characteristics, and then Phase 3 (establishment) procedure
measurement Training of equalizer (main channel speed determination, etc.)
75 5ms 70 5ms 70 5ms
L1 L2 B S S PP TRN PPh ALT MPh MPh E
B B
A A PPh ALT MPh MPh E NSF CSI DIS
A
75 5ms
Primary
Channel
Equalizer Modern Parameter
Line Probing
Training
Control channel re-synchronization procedure
ALT
Sh Sh
Sh Sh
Control channel re-synchronization procedure
ALT
Sh
Sh
ALT E
Sh Sh
Field Service Ver. 9.0 Jan. 2010
Main channel re-synchronization procedure
"1"
Flags TSI DCS Flags
(Note)
Flags CFR
Exchange T.30 Fax Handshaking
Main channel re-synchronization procedure
E Flags "1"
ALT Flags
E Flags MCF
Flags DCN "1"
E
Flags
Flags
MCF
(establishment of main channel)
70 5ms
Image
S S PP B1
Data
Primary
Channel
Resync.
Image
S S PP B1
Data
Line Disconnect
Line Disconnect