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Configuring the MCso
Table 2-5. Communications Setup Menu Parameters (cont.)
Ser1 Rev But Size
256
1 K
3
2K
3
3K
3
Ser2 Rev But Size
256
1 K
3
2K
3
3K
3
Print Mode
Normal
Auto
Ctr I
Send ACK
Off
On
Ser1 Interface
RS422
RS423
SERIAi 1 Receive Buffer Size is set to:
25'6 bytes.
1 kilobyte.
2 kilobytes.
3 kilobytes.
SERIAL 2 Receive Buffer Size is set to:
256 bytes.
1 kilobyte.
2 kilobytes.
3 kilobytes.
Data is sent to the printer port:
In response to print page and print line commands
sent from the keyboard or host.
And displayed on the screen as received from the host
(i.e. copy print).
As received from the host without being displayed on
the screen (i.e transparent print).
After executing specific commands,
4
the terminal:
Does not send an acknowledgment.
Sends an ASCII ACK character to the host port
when the operation is complete.
SERIAL 1 supports:
RS-422 communications protocol.
RS-423 communications protocol.
3
Setting either serial receive buffer size greater than 256 bytes reduces the total available
display page memory to seven pages. A larger buffer setting may be required if neither
hardware nor software handshaking is selected.
4
For instance, commands reconfiguring the serial ports, loading character sets, or printing
a page.
MCao User's Guide
2-21
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