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3.8 T.30 monitor
In all binary coded facsimile control procedures the HDLC frame structure is utilized. The basic HDLC struc-
ture is shown below.
Preamble
Binary coded information
Non-standard facilities frame(NSF)
Called subscriber identification frame (CSI)
Digital identification frame (DIS)
Flag Flag Address Control
Facsimili
controll
field
Facsimili
information
field
Frame
checking
sequence (FCS)
The information in this
portion is printed in the T.30
monitor.
The control signal is identified by FCF (Facsimile Control Field). Additional 8-bit octet information follows FIF
(Facsimile Information Field) and FC (Facsimile Control Field) to further clarify facsimile procedures. This is
added to DIS, DCS, DTC, CIS, CIG, TSI, NSC, NSF, and NSS signals.
3.8.1 Print T.30 monitor
This mode causes the unit to print a G3 procedural summary of the last fax communication.
1. From standby, press <Mode>, <*>, <0>, <5>.
2. Select [ON] or [OFF] for duplex printing, and press [Yes].
3.8.2 Multi T.30 monitor
The communications on the journal list are able to print.
1. Press <Job Confirm. / Fax Cancel>.
2. Press [History] tab and select [Fax Tx] or [Fax Rx].
3. Select the desired communication.
4. Press <*>, <0>, <5>.
5. Select [ON] or [OFF] for duplex printing, and press [Yes].
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