GRASS VALLEY 1200, Installation And Service

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Cable Connections
Serial Ports J28, J30, J31, J32
The 9-pin serial interface ports may be used interchangeably for connection
to a number of serial devices as explained below. Cables and connectors are
not supplied, except for the Satellite Aux Panel.
For details about how to set the communication standard, protocol, and
baud rate for each port, see the instructions for setting serial port jumpers
and for using the terminal to set up serial ports later in this section.
Modem Connection
A modem typically connects to port J30 but can be connected to any port
except J29. The communication settings are RS-232, Modem protocol, 9600
baud, 8 bits, 1 stop bit, no parity.
Editor Connection
An editor typically connects to J32 but can be connected to any port except
J28. For a Grass Valley editor, use a standard serial cable and set the port
for RS-422, Grass Valley 1200 Protocol, 38.4K baud, 8 bits, 1 stop bit, odd
parity.
DPM Connection
A DPM typically connects to port J31 but can be connected to any port
except J28. For a DPM-100/700, use a null modem cable and set the port for
RS-422, DPM Protocol, 38.4K baud, 8 bits, 1 stop bit, odd parity.
Satellite Auxiliary Panel Connection
The Satellite Aux Panel option can connect to any port except J28. Use the
control cable that comes with the option and set the port for RS-422, 200/
1200 Aux Protocol, 9600 baud, 8 bits, 1 stop bit, no parity. See the end of this
section for additional satellite panel installation details.