Siemens Plant Central Clock TC100 - Manual (Page 23)

Hardware description
3-2  © Siemens AG 2010 All Rights Reserved
SICLOCK ® TC100 Operating Instructions
For more detailed information see Parameter assignment and operation of the device
(Chapter 8) .
Table 3-1 Meanings of the displays and operator controls
Name Color (LED) Meaning
Displays
POWER Green Operational readiness
SYNC Green SICLOCK TC100 is externally synchronized.
FAULT Red Alarm
The associated message text is shown in the display.
Flashing red Warning
The associated message text is shown in the display.
LINK Green The physical connection has been made, transmission and
reception are possible.
ACTIVE Green Display of the data traffic for the particular port
RADIO CLOCK Yellow Incoming signal from the radio clock
Display Display of the time, date and synchronization, or message
text in the case of an error
Operator controls
MODE Call and edit the basic parameter list
Acknowledge messages