evertz 4025 Instruction Manual page 161

TECHNICAL DESCRIPTION
J26, J27, J28, J29 Serial I/O Select
J30 Pin 5 Select
J31 Serial Port Select
Rxd
Txd
J32 VCG Out Select
J37 Parallel Out Select
Model 4025 Film Footage Encoder Manual
4 Jumpers must all be in the same position
RS232 Set serial I/O port for RS232 operation.
RS422 Set serial I/O port for RS422 operation.
RS232 Selects RS-232 Transmit for Serial port pin 5
(used for computer data logging output)
+9V Selects +9V DC on serial port pin 5 to power
external devices.
RS422 Disconnects Serial port pin 5 for use on
RS-422 serial ports.
Two sets of jumpers selects connections of
Aux I/O And Serial I/O ports to 615 and 631
respectively.
N Connects Aux I/O Receive To 615 Module and
Serial I/O Port Receive To 631 Module.
X Connects Aux I/O Receive To 631 Module and
Serial I/O Port Receive To 615 Module.
N Connects Aux I/O Transmit To 615 Module
and Serial I/O Port Transmit To 631 Module.
X Connects Aux I/O Transmit To 631 Module
and Serial I/O Port Transmit To 615 Module.
Loop Selects high impedance video input loop
Out B and one character generator output.
Term Selects terminated VCG input
Char and assigns Out A and Out B as outputs.
4OUT Configures pin 4 of parallel I/O port as a
general purpose open collector output
from 615.
4IN Configures pin 4 of parallel I/O port as a
general purpose input to 615.
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