Tektronix 8001A Installation Manual page 57

System Communications Module
7-10
Software Transformations:
Table 7-3
Port J101 Software Transformations
Character Transformations Status Effect
Out From J101: none
lnToJ101: CR
CR
EOL
CTRL-Z CTRL-Z KL, EOF
DEL, LF, NUL
ignored
Note: This port makes the µProcessor Lab appear like a terminal. All control of data
transfers has to be on the controller end via software. The COMM command uses
SVC calls to accept the formatted data and put it in memory through this port. This
is the port that is recommended to be used with computer transfers (either time -
share using a modem or direct using a null modem).
Null Modem. A Null Modem can be constructed from two RS-232-C 25 pin female connectors.
Wire the two connectors according to Fig. 7-3.
Line Printer Port (J102) and Paper Tape Port (J103)
Software Device Names: Port (J 102)
LPT1 - out
@
Port (J 103)
PPTR - in
PPTP - out
8001/8002 Installation Guide