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PK-88 OPERATING MANUAL
2.11.7 Other Computers with Non-Standard Serial Ports
Computers with non-standard serial ports must meet the following conditions:
Signal levels must be compatible with RS-232C or CCITT Recommend-
ations V.24/V.28. The PK-88 requires the voltage levels from the
computer be greater than about +3 volts in one state and less
than 0 volts in the other state.
Signal polarity must conform to the RS-232C/V.24/V.28 standard.
The low-voltage state must correspond to logical 'I'; the high
voltage state to logical '0.'
The computer must be able to correctly receive signals that meet
RS-232C/V.24/V.28 specifications. The PK-88 meets these specifi-
cations.
Make or buy a cable that provides the following connections:
The computer's serial port common pin must be connected to the
PK-88's serial port connector pin 7.
The pin on which the computer SENDS data must be connected to the
PK-88's connector pin 2.
The pin on which the computer RECEIVES data must be connected to
the PK-88's connector pin 3.
If your computer requires any other signals, you must arrange to provide them.
The documentation provided with your computer or serial card should clarify any
special requirements.
2.12
Terminal (Modem) Software for Specific Computers
Any communications program that enables your computer to emulate or act as an
ASCII terminal with a telephone modem should work with the PK-88. If you have
a familiar program you have used successfully, use it to communicate with the
PK-88.
2.12.1
Apple Macintosh
Apple dealers sell a communications program called 'MacTerm' that will work
well with the PK-88. Set the program options as listed below:
COMPATIBILITY:
1200 baud, 7 bits/character, even parity, Handshake XON/XOFF,
Modem connection, 'telephone' port.
TERMINAL:
VT100, ANSI, UNDERLINE, US, 80 columns, ON LINE, AUTOREPEAT.
2-20
INSTALLATION
PK88-38
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