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03 Enable RS-232 port.................................................................................................. 3-27
04 Disable RS-232 port................................................................................................. 3-27
00 Set Communication parameters................................................................................ 3-27
05 Set RTS signal of RS-232 port ................................................................................. 3-29
06 Read CTS signal of RS-232 port .............................................................................. 3-29
RS-485 port serial I/O using INT 33H............................................................................... 3-29
01 Input data ................................................................................................................ 3-29
02 Output data.............................................................................................................. 3-30
03 Enable RS-485 port for serial I/O............................................................................. 3-30
04 Disable RS-485 port for serial I/O............................................................................ 3-30
00 Set Communication parameters................................................................................ 3-31
05 Open RS-485 multi-bus to send out data .................................................................. 3-32
06 Close RS-485 multi-bus (release RS-485 bus) .......................................................... 3-33
3.5. Relay Output / Digit Input / Buzzer / LED Indicator....................................................... 3-34
Set LED indicator ON/OFF INT 09H .................................................................................. 3-34
Read Photo Coupler Level state INT 08H.............................................................................. 3-34
Activate/Deactivate Relay ports INT 09H ............................................................................ 3-35
1A Buzzer On/Off INT 21H ......................................................................................... 3-35
1A Set buzzer volume INT 21H..................................................................................... 3-36
1B Get Security state INT 21H ..................................................................................... 3-36
1B Alarm On/Off INT 21H ........................................................................................... 3-36
54 Buzzer volume control with user-defined frequency and time INT 21H................... 3-37
Buzzer volume control with predefined frequency and time INT 35H .................................. 3-37
3.6. Internal/ External reader Port: INT 21H ........................................................................ 3-38
51 Enable/Disable External reader port......................................................................... 3-38
18 Set external slot reader (only available for Barcode and Magnetic reader)................ 3-38
50 Read data from external reader(only available for Barcode and Magnetic reader)..... 3-39
52 Read Internal port.................................................................................................... 3-39
53 Enable/disable Internal reader.................................................................................. 3-40
1F Enable/Disable the Decoder of Wiegand Format (Proximity reader)......................... 3-40
1F Get Decoder status of Wiegand Format (Proximity reader)....................................... 3-41
1A Assign barcode or magnetic stripe input of Internal reader....................................... 3-41
1F Enable the decoding of a barcode symbology............................................................ 3-42
3.7. Miscellaneous: INT 21H................................................................................................ 3-42
1A Check lithium battery level ...................................................................................... 3-42
1B Get Address ID of the terminal ................................................................................ 3-43
25 Set interrupt vector .................................................................................................. 3-43
35 Get interrupt vector.................................................................................................. 3-43
36 Get free disk cluster ................................................................................................. 3-44
1A Enable/disable system key-pressing commands: Warm start, Invoke user command menu,
Invoke supervisor mode......................................................................................................... 3-44
1E Change the Keyboard map....................................................................................... 3-44
3.8. DOS Manager................................................................................................................. 3-46
01 Read stdin (wait if no key) and write it to stdout ...................................................... 3-46
02 Write stdout............................................................................................................. 3-46
03 Read stdaux (COM2 RS-232 port) ........................................................................... 3-47
04 Write stdaux (COM2 RS-232 port) .......................................................................... 3-47
06 Read / Write stdin or return 0 if none is ready.......................................................... 3-47
07 Read stdin (wait if no key) ....................................................................................... 3-48
08 Read stdin (wait if no key) ....................................................................................... 3-48
09 Write character string to stdout................................................................................ 3-48
0A Keyboard buffer input .............................................................................................. 3-49
0B Keyhit check............................................................................................................ 3-49
2A Get System date ....................................................................................................... 3-49