Konica Minolta FK-502 Service Manual page 143

FK-502/Network Fax Service Manual Ver.3.0
Signal Type Meaning
JM Display of
(Joint Menu) common
ability on
both call-
ing and
called
sides
[Comments] • JM is a response signal to CM and of the same format as the received
Signal
Signal
Direction
Speed
Call Called
V.21(H)
←
(300bps)
CM.
• The fist information category is Call Function as same as CM.
• Modulation Mode sets the common bit on calling and called sides and
sends by the same octet as received CM.
When there is no common ability, all bits are set to 0 and send by the
same octet as received CM.
• The minimum item No. is selected from the common bits to determine
the actual Modulation Mode.
• Protocol is added when it is included in received CM and needed to
instruct.
• GSTN access is added when it is included in received CM and needed
to instruct.
• Bit 6 is set to ON when needed to show ability. Bit 5 is set to the same
one as received CM
Timing of Transmission
Start: When two or more same CM are
received
Stop: When CJ is received or receives
a signal matching the selected
Modulation Mode from the call-
ing side
PROTOCOL
7-17