Section 10.2.1 says "...with the additional constraints below as per the DCI Digital Cinema System Specification", which implies that all the constraints below actually come from the DCI Digital Cinema System Specification. But, there are no constraints on guard bits in the DCI Digital Cinema System Specification that is available here [1]
Section 10.2.1 says "...with the additional constraints below as per the DCI Digital Cinema System Specification", which implies that all the constraints below actually come from the DCI Digital Cinema System Specification. But, there are no constraints on guard bits in the DCI Digital Cinema System Specification that is available here [1]
[1] https://dcss.dcimovies.com/0c0cff34d231b516cb89ae3fad352d5cf37a9515/dcss.html#sec-4-3-3