Unitech Hand Held Scanner user manual Pin, Number, TTL RS232 Interface, Standard RS232 Interface

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TTL RS232 Interface:

The following table shows pinout for TTL RS232 interface at modular connector:

Pin Number	Signal
1	Not Used
2	VCC(+5V, output)
3	DET
4	GND
5	RXD
6	TXD
7	Power Input (+5V)
8	CTS
9	RTS
10	Not Used

Note:

(1)DET signal is bi-directional I/O pin and for internal use only.

(2)CTS and RXD are input signals and take 0V to 5V only. If the scanner is used to interface with a standard RS232 port, those signals should not be connected.

Standard RS232 Interface:

To support standard RS232 interface, an RS232 adapter cable from the manufacture must be used. This cable is a special one and can not be replaced by the others. One end of that cable which has RS232 signal presented is a DB25 or DB9 female connector and has following pinout:

13	1
25	14
DB25 Female (Front View)
Pin	Signal
Number
2	RXD
3	TXD
14	CTS
16	RTS
7	GND
25	Power Input(+5V±5%)

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Contents User’s Manual RS232 Serial Interface PIN Assignment and Specification Chapter Overview Installation procedures InstallationKeyboard Interface Installed on Macintosh Installed on PC/AT without keyboard or laptop computerUnderstanding the Operating Parameters Installed as an USB InterfaceIntercharacter Delay Interblock DelayFunction Code Alt Key ModeCaps-Lock RS232 Serial Interface Installed as a Serial InterfaceBaud Rate, Parity and Data Bit Device TypeHandshaking BCC Character Serial TTLTime Out Terminal Interface Installing as a Terminal WedgeData Direction Code 39 Output Wand EmulationNative Output Level Duration of Minimum Width Appendix D Output of Wand Emulation Appendix DPolarity of Idle Appendix D Bar Code Menu Setup Chapter SetupSetup Procedures Code ID Setting Bar Code Length SettingPredefined Labels PreamblePrefix and PostambleSuffixBatch Setup Quick SetupI800C06D51DJ8 08080A0O7C005354 I800C06D51DJ8080 80A0O7C005354415254 General Output Data EditingFormula Preparation ProgrammingProgramming Sequence InputIDLengthMatchA-StringO-String...O-String EnterParameter Entry Programming SheetInput ID Format QualifierMatch Format LengthString Format ModifierExamples Advanced FeaturesExample Example Keyboard Interface Pin Assignment and SpecificationPin Number Signal Pin AssignmentsStandard RS232 Interface PinNumber TTL RS232 InterfaceTerminal Interface Host Side connectorPin Number Signal Terminal Side connectorWand Emulation Specification A.1 A.2 Device Selection and Default Appendix D. Setup MenuDevice ID Device Type MPU Idle Status Beeps and DelaysKeyboard Wedge Settings RS232 Settings Define Code ID Scanner PortMagnetic Reader Reserve Code 39 / I 2 of 5 / S 2 of 5 / Code 32 / EAN128MSI /Pleasey Code Code 128 / MSI Code / Code 93 / Codabar/ Label CodeUPC-E UPC / EAN / Delta CodeData Editing Dump Setup Strings E.1 Appendix E. Full Ascii ChartE.2 E.3 E.4 Appendix F. Bar Code Test Chart