Rev. A Appendix 5
TM-U200 Series (Type A/AM) Technical Manual
Confidential
"L" indicates:
Printer transmission data SD1 > SD2
Printer reception data RD1 > RD2
The transmission data is H = 1, L = 0
Note:
This format is used when the UART for RS-232 is connected to the RS-485 driver.
Printer reception data level
RD1 RD2 Read data
H L Receiving data line is at the LOW level
L H Receiving data line is at the HIGH level
Printer transmission data level
SD1 SD2 Send data
H L Sending data line is at the LOW level
L H Sending data line is at the HIGH level
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