JLCooper eBOX User Manual
Page 49
Advertising
49
Older versions of the eBOX used DIP switches to configure the
the ports. In RS-232 mode, the RS-422 ICs must be
mode of
removed. These ICs are marked 89C22.
Mode RS-232C
RS-422A
RS-422A
Direction
To Computer
To Deck
To Controller
SW1
f
f
On Of Of
SW2
X On Off
Pin 1
not used
not used
not used
Pin 2
Transmit
Receive A
Transmit A
Pin 3
Receive
Transmit B
Receive B
Pin 4
not used
Ground
Ground
Pin 5
Ground Ground
Ground
Pin 6
not used
Ground
round
G
Pin 7
not used
Receive B
Transmit B
Pin 8
not used
Transmit A
eceive A
R
Pin 9
not used
not used
not used
X = Don’t Care
Serial Port Configuration
Advertising