Download Model 331 User Manual

Model 331 User Manual
Advanced Thinking Products ——
The table below shows the connection details to connect the
M331 interface to a socket for a keyboard. Using UMD cable
CA202, a 5 pin DIN plug to 5 pin DIN plug, the M331 can be
connected to the keyboard port of a computer, derive power and
look like a keyboard. If power is connected in this way remove
jumper from pins 2 and 3 on interface connector.
Pin
1
2
3
4
5
I/O
i/o
i/o
o/p
Description
Clock
Data
Reset
Ground
5V DC
Pin
1
2
3
4
5
I/O
i/o
i/o
o/p
Description
Clock
Data
Reset
Ground
5V DC
—
—
Pin
4
5
—
—
6
3
—
—
Pin
16
17
—
—
18
15
M331 DB25 Connection
Computer Clock
Computer Data
N/C
Ground
5V DC
M331 DB25 Connection
Keyboard Clock
Keyboard Data
N/C
Ground
5V DC
Connection details to connect a
computer keyboard to the M331
13