User`s manual

PA5
16 Series User’s Manual
Asia Pacific | EMEA | Americas 19
8. Co
nnectors and Connector Layout
Figur
e 2 – PA516 Connectors
Serial Port
Purpose: The rear panel serial connector allows a local terminal to configure and report all aspects of the
operation of the Power Amplifier.
Serial Format: The serial communications format is 8 data bits, no parity, 1 stop bit. Handshaking should be disabled.
If the option is available, the terminal software should be configured to send a “Backspace, Space,
Backspace” sequence when the Backspace key is pressed.
Data Rate: The data rate is preset in the factory to 9600 bits per second, it can be changed by software command
to another rate (See the SET BAUD command)
Connections: The terminal connection is a DCE type via a female 9 pin 'D' screw-lock socket located on the rear
panel of the Power Amplifier. A standard straight through serial cable can be used to connect the serial
port to a PC serial port. The connections are:
Pin Name Function
1 Not Used
2 RxD Serial data output from the Power Amplifier
3 TxD Serial data input to the Power Amplifier
4 DTR Input
5 Gnd Ground
6 DSR Output
7 Not Used
8 Not Used
9 Not Used