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ASCII Pass-Through
In ASCII pass-through mode, the 3708 acts as a wire connection. The 3708 does not
monitor the data stream, so data encryption is not necessary and 8-bit transparency
(256 character sets) can be supported. See Chapter 6, "ASCII Pass-Through Mode"
for more detailed information about data flow in ASCII pass-through mode. See
Appendix E, "Key Data Formats and Control Blocks" for a description of internal
3708 queues and buffers.
In ASCII pass-through, data from the PC and the ASCII host is received in a 980
byte "receive" queue. Overflow of this receive queue results in loss of data.
Generally, the PC and host file transfer programs recognize the loss of data and
request a retransmission.
Because data is routed to and from the PC and the ASCII host, any two compatible
PC file transfer programs can be used.
Finally, the ASCII host can also be another PC.
It
must, however, be defined to the
3708 as an ASCII host.
Appendix D. Personal Computer File Transfer through the 3708
D-9
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