141
Step 4. Connect one end of the mini null modem adapter (DB9 male to DB9 male) to the RS-232 to 422
converter; and the other end to the Pacific GPIO
RS-232 (1)
port.
Figure F-7
Physical Connection (Sony Switcher)
Only the
RS-232 (1)
port in Pacific GPIO can be used to connect to the mini null modem adapter.
Step 5.
Enable serial tally on one of the switcher’s ports (refer to Sony Production Switcher System
User’s Guide for details).