Siemens X-400 - Manual (Page 112)

Installation and Commissioning
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
112 C79000-G8976-C186-03
6.8.5 LED Display - Switch CPU
Display Modes A through D
The set display modes are indicated as follows:
D M o d e A D M o d e B D M o d e C D M o d e D
R M
S T B Y
D M 1
D M 2
R M
S T B Y
D M 1
D M 2
R M
S T B Y
D M 1
D M 2
R M
S T B Y
D M 1
D M 2
Figure 6-28 Display of the possible display modes (DMode A through DMode D)
The individual functions (RM, STBY and DM1 / DM2) are independent of each
other. The LED displays are described below:
Label Color Status Meaning
RM off The SCALANCE X414-3E is not operating
in redundancy manager mode.
Green on The SCALANCE X414-3E is operating in
redundancy manager mode. The ring is
working without problems, monitoring is
activated.
flashes The SCALANCE X414-3E is operating in
redundancy manager mode. An interruption
has been detected on the ring; the
SCALANCE X414-3E has switched through.
STBY off No function, reserved for future applica-
tions.
DM1 Green on Display of the display mode.
DM2 Green on Display of the display mode.