Theben TC 649 C Manual page 6

Time
Relay
PWR/TLS
1.4.2 Front
The socket for the power supply, both network interfaces (Service, Ethernet) and
the socket for relays C1 and C3 are located on the front of the device.
Mains voltage
1.4.3 Back
The socket for relays C2 and C4 is located on the back of the device.
TC 649 C manual
Off The NTP service is deactivated.
The NTP service is activated and a
On connection has been established to an NTP
server.
The NTP service is activated and the device is
Flashing
searching for a connection to the NTP server.
Off All relays are switched off.
One or more relays are switched on.
On
Off The TC 649 C is switched off.
Flashing The TC 649 C is switched on.
Introduction
6