Siemens SICLOCK TC100 Operating Instructions Manual page 23

Hardware description
Table 3-1 Meanings of the displays and operator controls
Name
Displays
POWER
SYNC
FAULT
LINK
ACTIVE
RADIO CLOCK
Display
Operator controls
MODE
For more detailed information see Parameter assignment and operation of the device
(Chapter 8)
3-2
Color (LED)
Green Operational readiness
Green SICLOCK TC100 is externally synchronized.
Red Alarm
The associated message text is shown in the display.
Flashing red Warning
The associated message text is shown in the display.
Green The physical connection has been made, transmission and
reception are possible.
Green Display of the data traffic for the particular port
Yellow Incoming signal from the radio clock
Display of the time, date and synchronization, or message
text in the case of an error
Call and edit the basic parameter list
Acknowledge messages
.
Meaning
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SICLOCK TC100 Operating Instructions