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January 2005 © TOSHIBA TEC
e-STUDIO170F Dialing and Communication Procedure
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Control channel
The conventional T.30 procedure is performed. The transmission rate is 1200 bps.
• Transmitter
• Receiver
Note:
In the control channel, the frequency of a signal to be sent is different between transmission and
reception. The signal echoed back has never been misidentified as a signal sent from the other
unit. Therefore, this channel is not influenced by a signal echoed back.
Signal name
Abbreviation
Meaning
Remark
Flag
flags
It maintains synchronization.
7E (H)
Non-standard facili-
ties setting
NSS
It receives an NSF sent from the
receiver. It selects the available mode
according to the received NSF, then
specifies the mode for reception.
Transmitting
Subscriber ID
TSI
It indicates the telephone number of the
transmitter.
Digital Command
Signal
DCS
It specifies the mode that can be com-
municated.
-
1
It declares to switch to the highspeed
procedure.
“1” is sent continuously.
Signal name
Abbreviation
Meaning
Remark
Non-Standard Facil-
ities
NSF
It indicates the facilities which are not
recommended by ITU-T, abbreviated
user’s name, and manufacturer code.
Called Subscriber
ID
CSI
It indicates the telephone number of the
receiver.
Digital Identification
Signal
DIS
It indicates the standard facilities recom-
mended by ITU-T.
Flag
flags
It maintains synchronization.
7E (H)
Confirmation to
receive
CFR
It indicates that the training of the
modem is complete, and the receiver is
ready to receive the image signal.
Содержание ESTUDIO170F
Страница 1: ...SERVICE MANUAL PLAIN PAPER FACSIMILE e STUDIO170F File No SME04002900 R04102171300 TTEC Ver01_2005 05 ...
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Страница 192: ...e STUDIO170F Function Settings January 2005 TOSHIBA TEC 4 132 ...
Страница 214: ...e STUDIO170F Mechanical Description January 2005 TOSHIBA TEC 5 22 ...
Страница 308: ...e STUDIO170F Circuit Description January 2005 TOSHIBA TEC 7 78 ...
Страница 372: ...e STUDIO170F Removal Replacement Adjustment January 2005 TOSHIBA TEC 8 64 ...
Страница 490: ...e STUDIO170F Appendix January 2005 TOSHIBA TEC 12 8 ...
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