
Apple II Computer Info
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Name: Apple SSC
Type: Super Serial Card
Short description:
The SSC gives the Apple ][ a serial port (RS232). Up to
19200 baud are possible. Full handshake is supported.
Installation:
The card plugs into Slot 1, 2 or 3 of the Apple. Slot 1 is
usually for a serial printer (Imagewriter), Slot 2 for a
modem and Slot 3 for a terminal.
The DB25 connector goes to the printer/modem/terminal line,
the 10-pin connector on the other side of the cable goes
into the cable socket at the rear side of the card.
Jumper settings:
The card has two jumpers and a additional jumper block.
The jumper block can be installed two ways:
1) Arrow pointing towards the word TERMINAL
2) Arrow pointing towards the word MODEM
Jumpered as MODEM, it will wire thru, jumpered as TERMINAL,
it will twist 2-3, 4-5 and 6-20 (called null modem).
The jumper switches are called SW1 and SW2, the switches
are numbered SW1-1 to SW1-7 and SW2-1 to SW2-7 from left
to right.
SW1-1 SW1-2 SW1-3 SW1-4
off off off off 19200 baud
off off off on 9600 baud
off off on off 7200 baud
off off on on 4800 baud
off on off off 3600 baud
off on off on 2400 baud
off on on off 1800 baud
off on on on 1200 baud
on off off off 600 baud
on off off on 300 baud
on off on off 150 baud
on off on on 135 baud
on on off off 110 baud
on on off on 75 baud
on on on off 50 baud
SW2-1 off 2 stopbits
SW2-1 on 1 stopbit
SW2-2 off no delay on carriage return
SW2-2 on 1/4 sec delay
SW2-3 SW2-4
off off 132 chars/line, apple screen off
off on 80 chars/line, apple screen off
on off 72 chars/line, apple screen off
on on 40 chars/line, apple screen on
SW2-5 off no line feed after carrigae return
SW2-5 on line feed
Apple II Computer Technical Information : Apple II Family Hardware Info
ftp://ground.ecn.uiowa.edu/2/apple2/miscinfo/hardware : May 2001 : 367 of 572
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