Siemens CP 1243-8 IRC Operating Instructions Manual page 52

Configuration and operation
4.6 Configuration in STEP 7 V5
● No loading of firmware
The loading of firmware files on a CP 1243-8 IRC is not supported.
TS modules in the "Interfaces" tab
TS modules are used to connect the serial interface of the CP to dial-up networks that are
also configured in STEP 7 V5 in the "Interfaces" tab of the Properties dialog of the proxy.
The following figure shows drop-down list for selecting the modem type.
Figure 4-3
The following entries are available for the TS modules:
● TS Module GSM
Connection to a GSM network
● TS Module ISDN
Connection to an ISDN network
● TS Module Modem
Connection to an analog dial-up network
● Third-party modem
Select the "3rd party modem" entry in the following cases:.
– Connection to a dedicated line network
– Connection to a dial-up network
The TS module RS-232 cannot be configured in STEP 7 V5.
AT strings for TS modules
If the CP is connected to a dial-up network via a TS module, the suitable AT string must be
configured in the properties dialog of the network node in STEP 7 V5 for the network node of
the proxy.
52
Selectable modem types of a WAN interface with a connection to a dial-up network
For the connection to a dedicated line network via a dedicated line or analog wireless
modem, a TS module RS-232 is connected to the CP.
For the connection to a dial-up network via a third-party modem, a TS module RS-23
is connected to the CP.
Operating Instructions, 06/2015, C79000-G8976-C385-01
CP 1243-8 IRC