Leds On The Pc Adapter Usb - Siemens SIMATIC PC Adapter USB Manual

Hardware Design of the PC Adapter USB
4.2

LEDs on the PC Adapter USB

The LEDs on the PC Adapter USB indicate the following:
Name
USB
POWER
MPI
The LED displays for error states are described in Chapter 8 Error Diagnostics.
.
4-2
Color Meaning
green Lights up when the PC Adapter USB is connected to the USB
and the operating system of your PC is in normal operating
mode. This LED is not lit when the PC is in standby or idle
mode.
The LED flickers when data are being transferred.
green Lights up when the PC Adapter USB is supplied with the
necessary power.
Flashes when a hardware fault is detected.
green Lights up when the PC Adapter USB is connected to the
MPI/DP network and is operational.
The LED flashes when data are transferred on the MPI/DP
network.
The LED is off when no firmware has been loaded in the
PC Adapter USB.
PC Adapter USB
A5E01134250-01