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Table
5
U3020AS16
Front and Rear Panel Features
Instrument State LED Definitions
LED
Color
Instrument State
ATTN
LAN
PWR
Off
Green
Green
Instrument in “ready” state
LAN connection established
- instrument has an IP address firmware download complete
ATTN
LAN
PWR
flashing
flashing
Green
Power-on/boot-up. ATTN and LAN will flash red and then green during the
power-on self-test.
ATTN
LAN
PWR
Off
Red
Green
No LAN connection due to:
- disconnected LAN cable
- failure to acquire and IP address
- waiting for DHCP-assigned address
ATTN
LAN
PWR
Green (flashing)
Green
Green
Instrument Busy State
- firmware download (LAN LED red if download over GPIB)
- lengthy instrument operation in progress
ATTN
LAN
PWR
Red (flashing)
Green
Green
Instrument programming error or self-test error.
Error queue is read using SYSTem:ERRor?
ATTN
LAN
PWR
Off
Green (flashing)
Green
Instrument identification. Activated from instrument Web interface:
ON: Turn on Front Panel Interface Indicator
OFF: Turn off Front Panel Interface Indicator
Keysight U3020AS16 User's and Service Guide
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