Toshiba GD-1201, GD-1260 Tone signal between, Hz and 3,750 Hz in units, 150 Hz, Data transmission

Page 52

-Probing/Ranging (Phase 2)

Examines the line characteristics and sets the parameters for the modulation related items such as the modulating speed.

Transmitter

Signal name

Abbreviation

Function

 

 

Remarks

 

 

 

 

 

 

 

 

 

 

INFO sequence

INFO0c

Informs the modem capability

Transmission rate: 600 bps

 

 

 

 

 

 

such as modulating speed

 

 

 

 

 

 

 

 

 

and frequency transmission

 

 

 

 

 

 

 

 

 

capability (two frequency

 

 

 

 

 

 

 

 

 

bands (high and low) used to

 

 

 

 

 

 

 

 

 

examine the line characteris-

 

 

 

 

 

 

 

 

 

tics), and requests for adjust-

 

 

 

 

 

 

 

 

 

ing.

 

 

 

 

 

 

 

 

 

 

 

 

 

Tone B

 

B

Synchronization between the

 

 

is a signal that shifts the

 

B

 

 

 

 

 

 

modems by 1200 Hz tone sig-

phase B 180°.

 

 

 

 

 

 

Tone

B

 

 

B

nal

 

 

 

 

 

 

 

 

 

 

 

 

 

Line probing signal L1

L1

Tone signal to analyze the line

Probing is to examine the line

 

 

 

 

 

 

characteristics by probing

characteristics.

Line probing signal L2

L2

 

Tone signal between 150

 

 

 

 

 

 

 

Hz and 3,750 Hz in units of

 

 

 

 

 

 

 

150 Hz

 

 

 

 

 

 

 

 

 

 

Receiver

Signal name

Abbreviation

Function

 

 

Remarks

 

 

 

 

 

 

 

 

 

 

INFO sequence

INFO0a

Informs the modem capability

Transmission rate: 600 bps

 

 

 

 

 

 

such as the modulating speed

 

 

 

 

 

 

 

 

 

and frequency transmission

 

 

 

 

 

 

 

 

 

capability.

 

 

 

 

 

 

 

 

 

 

 

 

 

Tone A

 

A

Synchronization between the

 

 

is a signal that shifts the

 

A

 

 

 

 

 

 

modems by 2,400 Hz tone

phase A 180°.

 

 

 

 

 

 

Tone

 

 

 

 

 

signal

A

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

INFO sequence

INFO0h

Based on the analysis of the

Transmission rate: 600 bps

 

 

 

 

 

 

line probing signal sent from

 

 

 

 

 

 

 

 

 

the transmitter, it informs the

 

 

 

 

 

 

 

 

 

pre-emphasis filter and modu-

 

 

 

 

 

 

 

 

 

lating speed to be used for the

 

 

 

 

 

 

 

 

 

data transmission.

 

 

 

 

 

 

 

 

 

 

 

 

 

GD-1150/1151/1200/1201/1160/1260

© 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved

DIALING/COMMUNICATION CONTROL

 

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Page 51 Page 53
Contents GD-1150/1151/1200/1201/1160/1260 Trademarks STUDIO3511/4511 Model Weight Number of peopleSTUDIO281c/351c/451c Service of Machines Precautions against Static Electricity Page Contents 2003 2008 Toshiba TEC Corporation All rights reserved FAX Options FAX unit 2nd line for FAX boardOriginal size SpecificationsFolio DBm to -8 dBm The setting can be changed by 1 dB Transmission systemEmbedded DBm to 0 dBm Level -55 dBm or lower cannot be detectedDimension width x length Printing area CompFeatures Specifications and Outline of System Following accessories and parts come with the FAX unit Accessories and PartsQty Options STUDIO230/280STUDIO281c/351c/451c Option Function ModelSTUDIO202L/203L/232/233/282/283 series STUDIO352/353/452/453GD-1260NA/TW/EU/C System List GD-1150NA/TW/EU AU/AS/CGD-1150NA/TW/EU Bridge Kit KN-3511 FAX Board GD-1200 Finisher Hanging type e-STUDIO352/353 only MJ-1022 GD-1150NA/TW/EU AU/AS/C/KR Units and Components Symbol Name Function Remarks Layout of PC BoardsFAX MDM NCU FAXFAX power board Supplies the power -12V, +24V STUDIO281c/351c/451c, e-STUDIO352/353/452/453MDM FAX FAX PWR NCU FAX control board Controls the FAX functionSpecifications and Outline of System Recording Mode LSU-RELATED FunctionsRecording paper selection algorithm Recording Paper Selection Algorithm and Printing AlgorithmPrinting algorithm ST against A3/B4/A4/LD/LT size originals respectively Discard function Length of B Discard parameter Set value Effective printing lengthOFF B4, A3 A4, B4 B5, B4 A5, A4 A5 , Comp LT, Comp COMP, LD LG/LT, LD ST, Folio B5, FolioSetting for the split recording Recording Paper and Function Others Table of the recording paper selection modesPriority Energy Saver Mode User FunctionsReceiving FAX document, or by Energy SaverMemory Reception Circuit Connection and Procedure to Change Mode Dial call-up transmission to a telephone circuitYES Standby stateSelection of the communication mode Procedure to select the transmission modeCommunication mode Toshiba original procedure Telephone circuitSignaling System Diagram and Signal Forms Circuit control signalsThis signal can be sent manually Signal form Signal name Signal formCommunication with the binary signals Image signal Mode change is possible only for the original set manuallyMode change possible Informing that there is the next ReceiverOnly error frame retransmitted 1 completed 2 completed Frames received Error occurredJOB Status button Cancel button CED NsfcsidisCFR MCFBinary signals PIP PINPRI-EOM PRI-MPSFCF FIF FCS When this frame is the last frame, X =Format FCF format of each binary signal Binary signal Format4800 bps, 2400 bps 9600 bps, 7200 bpsTCF 3 V.8/V.34 communication sequence Standard procedure Transmitter Receiver Line closedSignal name Abbreviation Function Remarks Tone signal between Hz and 3,750 Hz in units150 Hz Data transmissionTRN ALTFlag Maintains the synchroniza 7E H TionReceives an NSF sent from TransmitterImage data Image data are sent. Transmitter Scrambled data frame to beIs completed Encoded image data Turn off Scrambled 1 is sent forShort training Signal PPS-EOPTransmission of one Is completed Flag Informs to disconnect the lineLine closed DIS cannot be recognized DIALING/COMMUNICATION Control DIALING/COMMUNICATION Control DIALING/COMMUNICATION Control DIALING/COMMUNICATION Control FAX Automatic Switching TEL modeFAX mode General functionsConfiguration Electrical CircuitsFAX PWR STUDIO202L/203L/232/233/282/283 GD-1151 GD-1260 95C265 4Mbit x MN86064 Configuration Description of CircuitsEU/AU/AS/C models Line path switching control circuit Signal Name Type Active Description DestinationCML1 ATT3DB1IC3 RLY3, IC3IC5 Line 1 Dial Pulse Generation Signal Q53 Dial pulse generation circuitLine 1 Dial Pulse Generation Signal Line Current Detection Signal IC29 IC26 Line Reverse Current Detection Signal IC29 IC26Line current detection circuit REVA1Line 1 Current Detection Signal IC29 IC26 Current Reverse Line 1 Current Detection IC29 IC26 SignalLine 1 CI Detect Signal IC29 IC26 CI detection circuitLine 1 CI Detection Signal IC29 IC26 Line monitor circuit NCU board Line1Monitoring signal Ringer/AlarmLine Monitor LOW HighRelation between the signals and sound volume is as follows Sound volumePC Boards PWA-F-FAX-562 / PWA-F-FAX-610PWA-F-FAX-670 PWA-F-NCU-US-562/PWA-F-NCU-631-US PWA-F-NCU-EU-562/PWA-F-NCU-631-EU PWA-F-MDM-563PWA-F-FAX-POWER-610 PWA-F-MDM-631PWA-F-FAX-POWER-631 Electrical Circuits Installation Explanation to the UsersInstallation
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