Citizen Systems CBM-231 manual Data Receiving Control, Buffering

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CBM-230/231 User’s Manual

(2)Parity error

When a parity check has been specified and an error is detected at parity check time, that data is stored in the buffer as "?."

(3)Overrun error

When an overrun error is detected, that data is stored in the buffer as "?."

7.3.4Data Receiving Control

When DTR/DSR control has been selected, if the DTR signal is at SPACE, the data from the host side can be received, but when at MARK, it cannot be received. When DTR/DSR control has not been selected, the data from the host side can be received after transmitting XON, but it cannot be received after transmitting XOFF.

7.3.5 Buffering

There are DTR and TD signals as control signals for data transfer to the input buffer.

(1)

DTR signal (Refer to 7.3

1)

(2)

TD signal (Refer to 7.3

1)

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CITIZEN

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Contents Line Thermal Printer Model CBM -230/231 Declaration of Conformity Important Safety Instructions Contents 10.1 General Description FeaturesPrecautions for Installation Model Classification Basic SpecificationsCode 39, Code 128, Codabar Specifications ListPrinting Position Head and Cutter Positional Relations Specifications for Printing Paper Specified PaperAppearance and Component Parts Operation Connecting the Interface CableConnecting the Drawer Kick Connector CBM-231 Inserting the Paper RollCitizen Citizen Citizen Operation Panel Opening the Auto CutterCBM-231 Setting of DIP Switches OFF Parallel Interface SpecificationsConnectors Pin Configuration Data Input / Output Signals 6.3.1 Input / Output SignalsElectrical Characteristics Buffering Timing ChartSerial Interface DTR Input / Output Signals 7.3.1 Input / Output Signals Error Detection Data ConfigurationData Receiving Control RS-232C circuit Input RD, DSR Output DTR, TD Drive Circuit Drawer Kick ConnectorPrint Control Function Control Codes ListInput Data Format Font B Citizen Example CBM-230/231 User’s Manual For the Font B Dot single density 67 DPI Citizen Type Citizen Citizen Citizen LF switch enabled LF switch disabled Initial value of n is Data is described with the hexadecimal code Citizen Citizen When inverted printing Paper feed direction Is cancelled Citizen UPC-A Citizen Citizen 203 DPI Macro execution mode Citizen Citizen International Character Code TableInternational Character Code Table Precautions for Handling the Thermal Paper Precaution for Handling the Printer MechanismOther Precautions Eliminating the Jammed PaperEliminating the Paper Powder Cleaning the HeadAppendix 2. External Dimensions CBM-231 Appendix 3. Block Diagram Information Systems Division Head Office