46
RS-232
For RS-232 connectivity, refer to the diagram below for pin out information. The RS-232 is
labeled in the rear panel and it is a female DB-9 interface. To select this interface to
communicate with the unit, please see Communication Setup.
PIN
Description
1
-
2
TXD, Transmit Data
3
RXD, Receive Data
4
-
5
GND
6
-
7
CTS, clear transfer
8
RTS, ready to transfer
9
-
A straight pin-to-pin DB9 female to DB9 male serial cable is required for using the RS-232
interface. Do not use a null modem or crossover DB9 serial cable.
USB
The instrument has a USB interface (USBTMC) on the rear panel for remote communication. To
select this interface to communicate with the unit, please see Communication Setup.
LAN
The LAN interface uses an Ethernet (RJ-45) connection on the rear panel and supports a socket
connection. To select this interface to communicate with the unit, please see Communication
Setup.
GPIB
The 9803 and 9805 can be configured with a GPIB address from 1-31. To communicate via GPIB,
connect a GPIB cable to the GPIB interface on the rear panel, as illustrated below.
Follow the instructions below to select and configure the GPIB interface for remote operation.
1
2
3
4
5
6
7
8
9
