Apple Modem 300/1200: Configuring it with the Apple IIe

I. Switch settings

A. For 300 baud:

1. Super Serial Card:

1 2 3 4 5 6 7 1 2 3 4 5 6 7
ON X X X X X ON X X X X
SW1 SW2
OFF X X OFF X X X
1 2 3 4 5 6 7 1 2 3 4 5 6 7

-- Jumper Block to MODEM

2. Modem:

UP X
DOWN X
1 2 3
CD BC DTR

-- Switch 2 can be up or down; it isn't used.

B. For 1200 baud:

1. Super Serial Card:

1 2 3 4 5 6 7 1 2 3 4 5 6 7
ON X X X X X X ON X X X X
SW1 SW2
OFF X OFF X X X
1 2 3 4 5 6 7 1 2 3 4 5 6 7

-- Jumper Block to MODEM

2. Modem:

UP X X
DOWN X
1 2 3
CD BC DTR

II. Connection:

A. Cable IIe: Apple Service Part Number 590-0121

Super Serial Apple
Interface Card Modem 300/1200
DB-25 DB-9

1 8
2 9
3 5
6 2
7 3
8,5 7
20 6
Published Date: Feb 19, 2012