02-20-2011, 10:44 AM
The SIM Module refers to the small daughterboard which sits on top of the UCM baseboard. This is where the Cbus wires are connected to the UCM/Cbus.
There are 2 versions of the SIM, an older one with a label marked 1223/x, 1151/x etc like shown below
The new version of the SIM does not have a label as the ST7 microprocessor is much smaller
The are differences in the operation of the 2 types of SIM so that the UCM/Cbus firmware used for the two types are not compatible
The new ST7 SIM must use UCM/Cbus 5.216 and above, while the older SIM (non-ST7) must use UCM/Cbus 5.208 and lower
The two UCM/Cbus firmware versions can be downloaded from
https://www.cytech.biz/ucmcbus_firmware.html
There are 2 versions of the SIM, an older one with a label marked 1223/x, 1151/x etc like shown below
The new version of the SIM does not have a label as the ST7 microprocessor is much smaller
The are differences in the operation of the 2 types of SIM so that the UCM/Cbus firmware used for the two types are not compatible
The new ST7 SIM must use UCM/Cbus 5.216 and above, while the older SIM (non-ST7) must use UCM/Cbus 5.208 and lower
The two UCM/Cbus firmware versions can be downloaded from
https://www.cytech.biz/ucmcbus_firmware.html