Quantum Quantum Composers, 9412/9112 A Computer Interface, Serial RS232 Pinout, Command Language

1COMPUTER INTERFACE

The 9412/9412A comes standard with an RS232 serial interface. All menu settings can be set and retrieved over the computer interface using a simple command language.

Serial (RS232) Pinout

The serial port is located on the back of the 9412/9412A and uses a 9-pin D-type connector with the following pinout (as viewed from the back of the 9412/9412A):

1.No connection

2.Tx - Transmit (to computer)

3.Rx - Receive (from computer)

4.DTR - connected to pin 6

5.Ground

6.DSR - connected to pin 4

7.RTS - connected to pin 8

8.CTS - connected to pin 7

9.No connection

The voltage level of the Transmit signal is +/-10V, the Receive signal should be at least +/-5V.

Command Language

All menu items can be accessed and selected via the computer interface using a simple com- mand language.

Command Protocol

All commands have the following syntax:

$<name> <##>CR

where

P$ indicates a command follows.

P<name> is the command name. No spaces are allowed between the $ and the <name>. The name is case sensitive.

P<##> is an unsigned, integer associated with the command. A space must be inserted between

<name> and <##>.

21