Agilent Technologies TwisTorr 74FS AG Rack Mode D'emploi page 230

17 Technical Information
J2 – Serial Connector
The communication port mating connector is supplied with the
RS-232 PCB (AMP/Cannon or equivalent 15-pin "D" type male
connector). For example, the Transmit data signal from
controller (pin 2) must be connected to the host computer's
receive data line (pin 2) and vice versa. Consult the host
computer instruction manual for its serial port connections.
Agilent cannot guarantee compliance with FCC regulations for radiated
NOTE
emissions unless all external wiring is shielded, with the shield being
terminated to the metal case on the D-subconnector. The cable should be
secured to the connector with screws.
Serial Communication Descriptions
This unit can comunicate by two different protocol:


These two protocols can be used as well with RS-232 or RS-485
media.
Please use "Window" protocol for new development.
NOTE
230/300
protocol (old system) "letter"
"Window" protocol (new system)
TwisTorr 74 FS AG Rack Controller User Manual / 87-901-055-01