4
INTERFACE
MR3300
The
MR3300
interfaces with the keyboard port of the computer. Two DIN5
connectors are provided to connect the MSR between the computer’s key-
board port and another keyboard peripheral (101 keyboard).
NOTE:
The electronics contained within the
MR3300
will allow the
computer to boot up without the 101 keyboard being attached.
MR3300RS
The
MR3300RS
can interface with any
standard IBM RS232C interface. The
output connector of the
MR3300RS
is a
DB9 female connector.
D IN 5
M ale
DIN 5
Female
Pin #
Function
Pin #
Function
1
DCD
6
DSR
2
RXD
7
RTS
3
TXD
8
CTS
4
DTR
9
Not used
5
Sig. Gnd.
Default Protocol
Baud Rate - 9600
Parity - None
Data Bits - 8
Stop Bits - 1
DIN 5 M/F
Pin #
Function
1
Keyboard Clock
2
Keyboard Data
3
No Connection
4
Ground
5
+5VDC
DB9F Configuration
