Kyocera FS 1920 FS-1920 Operation Guide Rev 1.2 - Page 212

H4: Parity, H5: Protocol logic, H6: Buffer nearly-full threshold, H8: Received-data buffer size

Page 212 highlights

RS-232C Protocol H4: Parity Parameter value 0 1 2 3 Table B-6 Meaning None Odd Even Ignore The factory setting is "None" (0 on the status printout). H5: Protocol logic Parameter value 0 1 2 3 4 5 Table B-7 Meaning Combination of 1 and 3 below DTR/DSR, positive logic DTR/DSR, negative logic XON/XOFF ETX/ACK 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. The gap between the nearly-full and nearly-empty thresholds allows the computer to send a fairly large amount of data in a continuous stream. H8: Received-data buffer size This is the size of the input buffer, specified in units of 10 Kbytes. The factory-set value is 6, meaning 60 Kbytes. Since DTR/DSR protocol is not used with the RS-422A standard, select a parameter value other than 0, 1, or 2 for the H5 setting when using the Note RS-422A interface. B-8

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RS-232C Protocol
B-8
H4: Parity
The factory setting is “None” (0 on the status printout).
H5: Protocol logic
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.
The gap between the nearly-full and nearly-empty thresholds allows the
computer to send a fairly large amount of data in a continuous stream.
H8: Received-data buffer size
This is the size of the input buffer, specified in units of 10 Kbytes. The
factory-set value is 6, meaning 60 Kbytes.
Since DTR/DSR protocol is not used with the RS-422A standard, select a
parameter value other than 0, 1, or 2 for the H5 setting when using the
RS-422A interface.
Parameter value
Meaning
0
None
1
Odd
2
Even
3
Ignore
Table B-6
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
Table B-7
Note