Serial Port Setting - Custom Audio Electronics PLUS2 User Manual

3.5 Serial port setting

To set the serial port of the device, slide the switch shown in igure in the correct position:
In the serial protocol, the signals which distinguish the communication are TD, RD, and RTS if the RTS/CTS protocol has
been selected while, if the XON/XOFF protocol has been selected, the signals are TD and RD.
Transmission format
START
BIT 0 BIT 1
BIT
Notes:
(1) Bit 7 is present if only in the device set-up is enabled 8 bit/char as data length.
(2) Parity Bit is preset if only in the device set-up the parity is enabled.
RTS/CTS Protocol
RD
START
RTS
RS232
RS232
TTL
TTL
BIT 2 BIT 3 BIT 4
STOP
DATA DATA
START
BIT 5 BIT 6 BIT 7
STOP STOP
DATA
START
NEXT
PARITY STOP
(1) START
BIT (2) BIT
BIT
WAIT
25