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- Serial Port Definitions
-
- Note: [Text] = Item only exists under given circumstance.
-
- • Serial Port Attributes :
- ◊ GPIa is connected to DCDa = Yes/No. Does the modem port provide
- handshaking on pin 7 of the connector in addition to pins 1 and 2?
- ◊ GPIb is connected to DCDb = Yes/No. Does the printer port provide
- handshaking on pin 7 of the connector in addition to pins 1 and 2?
- ◊ GPIa is connected to RTxCa = Yes/No. Does the modem port provide
- support for devices with separate data clocks, such as synchronous
- modems?
- ◊ Serial Port Arbitration is Present = Yes/No. Code which arbitrates
- the use of the serial ports by different programs
- ========================================
-
- • Port Configuration :
- ◊ Configuration Type = Specifies the configuration, either serial (on either
- port) or AppleTalk (just on the printer port). For AppleTalk, the
- version is also specified
- ◊ Baud = For serial only, the number of bits per second transmission speed [Not
- AppleTalk]
- ◊ Parity = For serial only, the parity [Not AppleTalk]
- ◊ Bits/Char = For serial only, the number of bits/char recognized [Not
- AppleTalk]
- ◊ Stop Bits = For serial only, the number of stop bits [Not AppleTalk]
- ◊ Modem Data; = For serial only, a dump of all the info registers in any
- modem that is connected and turned on. [Not AppleTalk]