JARLTECH MSR 1218 SERIES, Operation Manual, Page: 14 / 18

MSR 1218 series
User’s Manual
1218 USB / Device and Driver block chart v1.0
1218 MSR
Micro controller
With Decoder
(UART Interface)
Magnetic Head
And data buffer board
Prolific PL2303
USB to UART
Software:
Open Visual COM port to read data
From 1218
Or direct control 1218 by sending
Command codes.
Prolific USB Driver for OS:
Install to Creates a Visual COM
for application. Read/write.
PC USB port
1218 Handshake with visual COM
1. 1218 uses RTS / CTS handshake check with USB-RS232 chip.
2. When PC software needs to send data to 1218, check CTS of PC side in advance.
If no action, it means 1218U is busy, PC software stop sending data, wait for CTS ready then start sending.
3. When 1218 needs to send data to PC, check CTS of 1218side in advance.
If not active, means PC is busy, 1218 stop sending data, wait for CTS ready then start sending.
RTS CTS
CTS RTS
1218
USB-RS232
Chip
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