Siemens X-400 - Manual (Page 106)

Installation and Commissioning
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
106 C79000-G8976-C186-03
6.8 LED Display
Overview
The following table shows the states indicated by the LEDs in the various display
modes. For more detailed information, refer to the subsections listed in the first col-
umn.
LED Display
Mode A
Display
Mode B
Display
Mode C
Display
Mode D
F Problem, signaling contact opens
L1 Power supply L1 is applied. Power supply
L1 is moni-
tored
Power Module (See 6.8.3)
L2 Power supply L2 is applied. Power supply
L2 is moni-
tored
IN1/IN5 Signal at in-
put IN1
Signal at input
IN5 Signal at input
IN1 Signal at input
IN5
IN2/IN6 Signal at in-
put IN2
Signal at input
IN6 Signal at input
IN2 Signal at input
IN6
IN3/IN7 Signal at in-
put IN3
Signal at input
IN7 Signal at input
IN3 Signal at input
IN7
DI Module (See 6.8.4)
IN4/IN8 Signal at in-
put IN4
Signal at input
IN8 Signal at input
IN4 Signal at input
IN8
RM Device is operating as RM
STBY Reserved (no function)
DM1 off on off on
Switch CPU (See 6.8.5) DM2 off off on on
P1
P2
P3
Ports (See 6.8.6) P4
Port status Transmission
rate Half / full du-
plex Fault mask