Toshiba GD-1250 Transmission system, Embedded, DBm to -8 dBm The setting can be changed by 1 dB

Page 11

Original size	A	B
LG	355.6	350.1
LD	431.8	426.3

3)Transmission system

Circuits to be used: Subscriber line/FAX communication network (G3)

-Calling automatic transmission (including the sequential multi-address transmission)

-Calling automatic reception (polling reception)

-Called automatic transmission (polling transmission)

-Called automatic reception

-Calling manual transmission

-Calling manual reception

-Called manual transmission

-Called manual reception

Communication mode

High-speed mode (Toshiba original procedure mode)

G3 mode

ECM (Error Correction Mode)

Circuit carrier link equalization function

Embedded

Output level

–16 dBm to –8 dBm (The setting can be changed by “1 dB”.)

Input level

–43 dBm to 0 dBm

(Level –55 dBm or lower cannot be detected)

Specifications of the communication mode

	High-speed mode	G3 mode		ECM
	(Toshiba original procedure mode)	G3 mode		ECM
	(Toshiba original procedure mode)

Horizontal scanning den-	8 dots/mm	Same as on the left		Same as on the left
sity	300 dpi (Reception only)
	16 dots/mm

Vertical scanning density	3.85 lines/mm	Same as on the left		Same as on the left
	7.7 lines/mm
	300 dpi (Reception only)
	15.4 lines/mm

Encoding system	MH/MR/MMR/JBIG	MH/MR		MH/MR/MMR/JBIG

Minimum transmission	2.5 ms	Same as on the left		Same as on the left
time for 1 line

Transmission speed	14.4 k/12 k/9600	Same as on the left		33.6 k/31.2 k/28.8 k/
(image signal) and modu-	7200/4800/2400 bps			26.4 k/24 k/21.6 k/
lation method	Conformance to V.17/V.29/V.27 ter			19.2 k/16.8 k/14.4 k/
				12 k/9600/7200/
				4800/2400 bps

Control signal	300 bps	Same as on the left		2400/1200/600/
	V.21			300 bps
				V.34/V.8/V.21

Procedure to control the	Toshiba original procedure	T.30 conformance		Same as on the left
transmission

© 2006 - 2011 TOSHIBA TEC CORPORATION All rights reserved			GD-1210/1250/1270/1160/1260
		SPECIFICATIONS AND OUTLINE OF SYSTEM

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Contents GD-1210/1250/1270/1160/1260 Trademarks Transportation/Installation General Precautions at Service Vorsicht When the option has been installedPage Contents Explanation to the Users InstallationModels FAX unit 2nd line for FAX unit FAX OptionsFolio SpecificationsOriginal size DBm to 0 dBm Level -55 dBm or lower cannot be detected DBm to -8 dBm The setting can be changed by 1 dBTransmission system EmbeddedComp Paper size Dimension width x length Printing areaST-R Features 11/04 Parts GD-1210 GD-1250 GD-1270 Accessories and PartsFollowing accessories and parts come with the FAX unit Accessory GD-1210 GD-1250 GD-1270Options Extends the FAX functions when the FAX unit is installedMents to be output Option Function STUDIO206L/256/306/356STUDIO2500c/3500c/3510c System ListNA/AU/EU/C/TW STUDIO2330C/2820C/2830C/3520C/3530C/4520CSTUDIO5520C/6520C/6530C Offset Tray MJ-5005 STUDIO205L/255/305/355/455NA/EU-N/AU/C STUDIO555/655/755/855Pedestal PFP Feeder LCF KD-1027/C KD-1028 A4/LT/C STUDIO2040C/2540C/3040C/3540C/4540CSTUDIO5540C/6540C/6550C STUDIO556/656/756/856 Inner Finisher MJ-1032 Saddle stitch MJ-1033 STUDIO206L/256/306/356/456Saddle stitch Finisher MJ-1106/C Reversing automatic document feeder LINE2 connector Line connector TEL connectorOverview Drawers Line connectorTEL connector STUDIO5520C/6520C/6530C, e-STUDIO5540C/6540C/6550C STUDIO205L/255/305/355/455, e-STUDIO206L/256/306/356/456 Power switch TEL connector Line connector LINE2 connectorSTUDIO555/655/755/855, e-STUDIO556/656/756/856 Power switch LINE2 connector Line connector TEL connectorNCU MDM FAX FAX PWR Symbol Name FunctionLayout of PC Boards FAX FAX PWRLSU-RELATED Functions Recording ModePrinting algorithm Recording Paper Selection Algorithm and Printing AlgorithmRecording paper selection algorithm ST against A3/B4/A4/LD/LT size originals respectively OFF Effective printing lengthDiscard function Length of B Discard parameter Set value A5 , Comp LT, Comp COMP, LD LG/LT, LD ST, Folio B5, Folio B4, A3 A4, B4 B5, B4 A5, A4Setting for the split recording Recording Paper and Function Priority Table of the recording paper selection modesOthers Energy Saver Energy Saver ModeUser Functions Receiving FAX document, or byMemory Reception Standby state Circuit Connection and Procedure to Change ModeDial call-up transmission to a telephone circuit YESTelephone circuit Selection of the communication modeProcedure to select the transmission mode Communication mode Toshiba original procedureSignal name Signal form Signaling System Diagram and Signal FormsCircuit control signals This signal can be sent manually Signal formCommunication with the binary signals Receiver Image signalMode change is possible only for the original set manually Mode change possible Informing that there is the nextFrames received Error occurred Only error frame retransmitted 1 completed 2 completedMCF JOB Status button Cancel buttonCED Nsfcsidis CFRBinary signals PRI-MPS PIPPIN PRI-EOMFormat When this frame is the last frame, X =FCF FIF FCS Binary signal Format FCF format of each binary signalTCF 9600 bps, 7200 bps4800 bps, 2400 bps 3 V.8/V.34 communication sequence Line closed Standard procedure Transmitter ReceiverSignal name Abbreviation Function Remarks Data transmission Tone signal betweenHz and 3,750 Hz in units 150 HzALT TRNTransmitter FlagMaintains the synchroniza 7E H Tion Receives an NSF sent fromEncoded image data Turn off Scrambled 1 is sent for Image data Image data are sent. TransmitterScrambled data frame to be Is completedInforms to disconnect the line Short training SignalPPS-EOP Transmission of one Is completed FlagLine closed DIS cannot be recognized Transmitter Receiver Transmitter Receiver DIALING/COMMUNICATION Control DIALING/COMMUNICATION Control General functions FAX Automatic SwitchingTEL mode FAX modeGD-1210 GD-1160 ConfigurationGD-1250 / GD-1270 GD-1260 Description of Circuits ConfigurationEU/AU/AS/C models ATT3DB1 Line path switching control circuitSignal Name Type Active Description Destination CML1IC5 RLY3, IC3IC3 Dial pulse generation circuit Line 1 Dial Pulse Generation Signal Q53Line 1 Dial Pulse Generation Signal REVA1 Line Current Detection Signal IC29 IC26Line Reverse Current Detection Signal IC29 IC26 Line current detection circuitCurrent Reverse Line 1 Current Detection IC29 IC26 Signal Line 1 Current Detection Signal IC29 IC26CI detection circuit Line 1 CI Detect Signal IC29 IC26Line 1 CI Detection Signal IC29 IC26 NCU board Line1 Line monitor circuitLOW High Monitoring signalRinger/Alarm Line MonitorSound volume Relation between the signals and sound volume is as followsPWA-F-FAX-631 GD-1210 PC BoardsPWA-F-FAX-670 GD-1250/1270 08/04 08/04 PWA-F-MDM-563 GD-1160 PWA-F-MDM-671 GD-1260 PWA-F-FAX-POWER-631 GD-1210 Electrical Circuits Explanation to the Users InstallationInstallation

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