These sense codes indicate that fields in the RH are contrary to SNA rules or previously selected BIND options and prevent the intended half-session from receiving the request.
Also, the checks 400A and 4012 are performed. These do not permit negative responses, because they apply to no-response sessions and responses, respectively.
The following codes are in this category:
Code | Meaning |
4006 | Exception response not allowed. |
4007 | Definite response not allowed. |
400F | Incorrect use of format indicator. |
4011 | Incorrect specification of RU category. |
4014 | Incorrect use of DR1, DR2, ER. |