EXFO ETS-1000 - Manual (Page 11)

Introducing the ETS-1000
Ethernet Tester Analyzer 3
LEDs Description
LEDs Description
The LED panel located on the front of your ETS-1000 provides you with
the status of your unit.
LEDs in the bottom part of the front panel light up when the power
supply unit is connected:

Green: Indicates the battery is charged.

Green (blinking): Indicates the battery is charging.

Green (twinkling): Indicates the analyzer software is getting
updated.
LED Status Color Description
LINK On Green Connection to DUT is successfully
established.
Off Red No connection.
Tx Blinking
or
Constant
Light
Green Data is transmitted.
Off Off No data is transmitted.
Rx Blinking
or
Constant
Light
Green Data packets are received.
Off Off No data is received.
Test On Green Test is running.
Blinking Green Loopback mode is running.