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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 SW2-6 off ignore interrupts SW2-6 on generate interrupts SW1-7 on and SW2-7 off pin 4 or 20 (clear to send) SW1-7 off and SW2-7 on in 19 (secondary clear to send) Usage: Register settings of the ACIA: Memory locations used: