Siemens CP 1243-7 LTE - Security functions

Application and properties
1.4 Security functions
CP 1243-7 LTE
16 Operating Instructions, 04/2017, C79000-G8976-C381-03
Logging status data and its transfer to the telecontrol server
e. g.
– Data volumes transferred
– ID of the wireless cell in the area of the station
– GSM signal strength
– Communication status
etc.
●
Analog value processing
Analog values can be preprocessed on the CP according to various methods.
●
Diagnostics SMS message
At the request of a mobile phone, the CP sends an SMS message with diagnostics data
to this mobile phone.
1.4
Security functions
Security functions of the telecontrol protocol
The CP supports the following security functions:
●
TeleControl Basic
–
Encrypted telecontrol communication
As an integrated (unconfigurable) security function, the TeleControl Basic protocol
encrypts the data for transfer.
You configure the interval of the key exchange between the CP and telecontrol server
in STEP 7 in the parameter group "Ethernet interface (X1) > Advanced options >
Transmission settings".
–
Authorized phone numbers
To authorize nodes allowed to establish a connection to the CP (e.g. mobile phones),
an authorized phone number is configured for each subscriber.
–
Telecontrol password
To authenticate the CP with the telecontrol server
●
STARTTLS / SMTPS
For the secure transfer of e-mails
●
NTP (secure)
For secure transfer during time-of-day synchronization with telecontrol communication
disabled
●
HTTPS
For secure access to the Web server of the CPU