Communication modules
6.6 CP53M0 coupling module
SIMATIC TDC hardware
System Manual, 08/2017, A5E01114865-AL
167
Control and display elements
LED displays
The CP53M0 coupling module is equipped with 8 LEDs that provide information on the
current operating state of the module.
Table 6- 24 LED displays of the CP53M0 coupling module
Operating state of coupling module CP53M0
H2 (red)
Status startup frame to X1/X2
H4 (yellow) Data transmission to X1/X2
Status startup frame to X3/X4
Data transmission to X3/X4
Status fiber-optic cable link to X1/X2
Status fiber-optic cable link to X3/X4
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