Panasonic AW-RP555N Operating Instructions Manual page 16

Connections
When using the AW-PH300, AW-PH300A, AW-PH500 or the AW-PH600 pan/tilt head
The control signal from this unit must be converted from RS-422 to RS-232C.
Consult with your dealer concerning the RS-232C/RS-422 converter and connecting cable.
Shown below is an example of the connections performed by the RS-232C/RS-422 converter.
Pan/tilt head:
To RS-232C connector
Cable length:
Less than 32.8 feet (10 meters)
The RS-232C cable AW-CA28T9 may
be used for the pan/tilt head AW-PH300
or AW-PH300A.
RS-232C/RS-422 converter
D-Sub (9-pin) male
TALLY5
TALLY3
TALLY1
TALLY2
TALLY4
TALLY GND
TALLY IN
TO PAN/TILT HEAD
R S
5 4
REMOTE/SERVICE
RS-232C/RS-422 converter
RS-232C side RS-422 side
16
DC12V IN
GND
MONITOR SELECT
3 2 1/EXT
Cable length:
Less than 2,624 feet (800 meters)
Rear connector panel:
modular connector 8-pin plug