Agilent Technologies Signal Analyzer N9030a - Manual (Page 1302)

6 RLC Swept SA Measurement Front-Panel & SCPI Reference
System
This is reserved for future use. The T+M488 protocol is not supported on low speed
connections.
l
HSPeed – Indicates that a USB high speed connection (480 Mbps) has been negotiated.
l
FSPeed – Indicates that a USB full speed connection (12 Mbps) has been negotiated.
State Saved No
Range NONE|LSPeed|HSPeed|FSPeed
Initial S/W Revision Prior to A.02.00
USB Connection Status (Remote Command Only)
Enables you to determine the current status of the USB connection.
Mode All
Remote Command :SYSTem:COMMunicate:USB:STATus?
Example :SYST:COMM:USB:STAT?
Notes l SUSPended – Indicates that the USB bus is currently in its suspended state. The bus is in
the suspended state when:
l
The bus is not connected to any controller,
l
The controller is currently powered off,
l
The controller has explicitly placed the USB device into the suspended state.
When in the suspended state, no USB packets are received, including start of frame packets.
l ACTive – Indicates that the USB device is in the active state. When the device is in the
active state, it is receiving periodic start of frames but it is not necessarily receiving or
transmitting data.
State Saved No
Range SUSPended|ACTive
Initial S/W Revision Prior to A.02.00
USB Packet Count (Remote Command Only)
Enables you to determine the number of packets received and transmitted on the USB bus.
Mode All
1302 Remote Language Compatibility Measurement Application Reference