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Agilent N518xA, E8663B, E44x8C, and E82x7D Signal Generators Programming Guide 49
Using IO Interfaces
Using RS-232 (ESG, PSG, and E8663B Only)
Character Format Parameters
The signal generator uses the following character format parameters when communicating via RS-232:
• Character Length: Eight data bits are used for each character, excluding start, stop, and parity
bits.
• Parity Enable: Parity is disabled (absent) for each character.
• Stop Bits: One stop bit is included with each character.
If You Have Problems
1. Verify that the baud rate, parity, and stop bits are the same for the computer and signal
generator.
2. Verify that the RS-232 cable is identical to the cable specified in Table 2-2.
3. Verify that the application is using the correct computer COM port and that the RS-232 cable is
properly connected to that port.
4. Verify that the controller’s flow control is set to RTS-CTS.