Agilent Technologies E4438C

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Getting Started

Using LAN

Chapter 126

4. At the password prompt, press enter.

You are now in the signal generator’s user directory. Typing help at the command prompt

will show you the FTP commands that are available on your system.

5. Type quit or bye to end your FTP session.

6. Type exit to end the command prompt session.

Main Page

Table of Contents3
Getting Started7
Introduction to Remote Operation8
Interfaces9
I/O Libraries9
Programming Language10
Using GPIB11
Installing the GPIB Interface Card11
Selecting I/O Libraries for GPIB13
Setting up the GPIB Interface13
Verifying GPIB Functionality14
GPIB Interface Terms14
GPIB Function Statements15
Using LAN20
Selecting I/O Libraries for LAN20
Setting up the LAN Interface21
Verifying LAN Functionality22
Using VXI-1124
Using Sockets LAN26
Using TELNET LAN27
Using FTP31
Using RS-23233
Selecting I/O Libraries for RS-23233
Setting up the RS-232 Interface34
Verifying RS-232 Functionality35
Character Format Parameters36
If You Have Problems36
Programming Examples37
Using the Programming Examples38
Programming Examples Development Environment38
Running C/C++ Programming Examples39
GPIB Programming Examples40
Before Using the Examples40
Interface Check Using Agilent BASIC41
Interface Check Using NI-488.2 and C42
Interface Check Using VISA and C43
Local Lockout Using Agilent BASIC44
Local Lockout Using NI-488.2 and C45
Queries Using Agilent BASIC47
Queries Using NI-488.2 and C49
Queries Using VISA and C51
Generating a CW Signal Using VISA and C53
Generating an Externally Applied AC-Coupled FM Signal Using VISA and C55
Generating an Internal AC-Coupled FM Signal Using VISA and C57
Generating a Step-Swept Signal Using VISA and C59
Saving and Recalling States Using VISA and C61
Reading the Data Questionable Status Register Using VISA and C63
Reading the Service Request Interrupt (SRQ) Using VISA and C66
LAN Programming Examples70
Before Using the Examples70
VXI-11 Programing71
VXI-11 Programming Using SICL and C71
VXI-11 Programming Using VISA and C72
Sockets LAN Programming Using C75
Setting Parameters and Sending Queries Using Sockets and C78
Sockets LAN Programming Using PERL95
Setting the Power Level and Sending Queries Using PERL95
Sockets LAN Programming Using Java97
Generating a CW Signal Using Java97
RS-232 Programming Examples99
Before Using the Examples99
Interface Check Using Agilent BASIC100
Interface Check Using VISA and C101
Queries Using Agilent BASIC103
Queries Using VISA and C104
Programming the Status Register System107
Overview108
Status Register Bit Values111
Accessing Status Register Information112
Determining What to Monitor112
Deciding How to Monitor113
Status Register SCPI Commands116
Status Byte Group118
Status Byte Register119
Service Request Enable Register120
Status Groups121
Standard Event Status Group122
Standard Operation Status Group125
Baseband Operation Status Group128
Data Questionable Status Group131
Data Questionable Power Status Group135
Data Questionable Frequency Status Group138
Data Questionable Modulation Status Group141
Data Questionable Calibration Status Group144
Data Questionable BERT Status Group147
Downloading and Using Files151
Introduction152
ARB Waveform Data Downloads153
Bit-Value and Output Power154
Types of Arbitrary Waveform Generator Memory154
Data Requirements156
File Structure and Memory156
Downloading Waveforms157
Playing a Downloaded Waveform166
Downloading E443Xb Signal Generator Files167
User File Data Downloads173
Framed and Unframed Data Types173
Data Requirements174
Data Limitations175
Data Volatility175
User Files as Data Source for Framed Transmission176
Multiple User Files Selected as Data Sources for Different Timeslots179
Downloading User File Data180
Selecting Downloaded User Files as the Transmitted Data183
Modulating and Activating the Carrier184
FIR Filter Coefficient Downloads185
Data Requirements185
Data Limitations185
Data Volatility185
Downloading FIR Filter Coefficient Data186
Selecting a Downloaded User FIR Filter as the Active Filter186
Downloads Directly into Pattern RAM (PRAM)189
Data Limitations189
Data Volatility189
Downloading in List Format190
Downloading in Block Format192
Modulating and Activating the Carrier194
Viewing the PRAM Waveform194
Data Transfer Troubleshooting195
Direct PRAM Download Problems195
User File Download Problems197
User FIR Filter Coefficient File Download Problems201
ARB Waveform Data Download Problems202

Agilent Technologies E4438C - Page 32

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