FingerVein Integration Module (VIM)
Installation and Programming Manual
Page
33 of 48
Function: Encapsulates a frame to be sent from the Host to the RS232 reader via the
UART2-UI of the FingerVein VIM.
8.3.14. Reception from UART
Function: Encapsulates a frame to be sent to the Host from the RS232 reader via the
UART2-UI of the FingerVein VIM.
8.3.15. Optical Barrier Status
Function: If the path of the optical barrier is blocked for some time or there is
interference from an external light source, this is communicated through OpCode
0
x4B.
When the situation returns to normal, the same OpCode with Arg =
0
x0D indicates this.
See
and the explanation of the
CFG-UI_OPT_T_WATCHDOG
byte for
Event
OP
0x83
NA
0x0001
ARG
Byte 1: 0x02
Extra Data
Frame that sends the RS232 reader to the Host
Event
OP
0x4B
NA
0x01
ARG
Status code of the optical barrier
0x0D: Back to normal
0xED: Interference or blocking of the optical barrier
