Led Display; Overview; Rm" Led - Siemens SCALANCE XM-400 Operating Instructions Manual

2.7

LED display

2.7.1

Overview

The following figure shows the arrangement of the LEDs.
F
RM
SB
DM1/DM2
L1/L2
P
COMBO
* The number of port LEDs depends on the device.
)
2.7.2

"RM" LED

The "RM" LED indicates whether or not the device is a redundancy manager and whether or
not the ring is operating free of error.
LED color
-
Green
Green
SCALANCE XM-400
Operating Instructions, 05/2014, C79000-G8976-C306-03
LED for displaying the fault/error status
LED for displaying the "redundancy manager" function
LED for displaying the "standby" function
LEDs for displaying the display mode
LEDs for displaying the power supply
LEDs for displaying the port status *)
Indicates that the LEDs belong to combo ports
LED status Meaning
Off The device is not a redundancy manager.
On The device is a redundancy manager.
The ring is working without problems, monitoring is activated.
Flashing The device is a redundancy manager.
An interruption has been detected on the ring and the device
has switched through.
Description of the device
2.7 LED display
23