Difference between SIM2070-6-0-30-00-A and SIM2070-6-1-30-00-A from GCT

We frequently get calls asking for the difference between the SIM2070-6-0-30-00-A and SIM2070-6-1-30-00-A PC card sockets from GCT. As seen on the part number breakdown taken from the drawing, the only difference between these two parts is the one with the 1 is their standard normally open configuration while the one with the 0 is a normally closed configuration.