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RS-232C/RS-422A Protocol
C-12
H4: Parity
Parameter value Meaning
0 None
1 Odd
2 Even
3 Ignore
The factory setting is “None” (0 on the status printout).
H5: Protocol logic
Parameter value Meaning
0 Combination of 1 and 3 below
1 DTR/DSR, positive logic
2 DTR/DSR, negative logic
3 XON/XOFF
4 ETX/ACK
5 XON/XOFF recognized only as protocol
The factory setting is 0.
H6: Buffer nearly-full threshold
This is a percentage from 0 to 99. The factory setting is 90.
H7: Buffer nearly-empty threshold
This is a percentage from 0 to 99. The factory setting is 70.
The factory settings of the buffer nearly-full and nearly-empty thresholds (H6 and H7) are subject to
change without notification.