Rs232/Rs422; Figure 2-18 Rs232/ 422 Pin Assignment - Agilent Technologies E4418B User Manual

RS232/RS422

With RS232 selected as the serial interface, the power meter
communicates through the serial port with single ended drivers and
receivers. With RS422 selected, the serial port uses balanced drivers and
receivers.
The power meter acts as a DTE device.
To select RS232 or RS422 as the remote interface, press
Remote Interface Select Interface RS232
RS232/422 Connector
The serial port connector is a 9 pin male D- type wired as shown in
Figure 2-

Figure 2-18 RS232/ 422 Pin Assignment

Setting the RS232/422 Parameters
This section explains how to set the baud rate, word size, parity, number
of stop bits, pacing, and echo for the serial interface.
E4418B Power Meter User's Guide
,
18.
1 2 3 4 5
6 7 8 9
, , or
RS422
Pin RS232
1 DCD
2 Rx
3 Tx
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Power Meter Operation
,
.
RS422
CTS-
Rx-
Tx+
Tx-
GND
Rx+
RTS+
CTS+
RTS-
2
81