AC 800M Controller Firmware, all versions <3.2/4 - SA/SB supervision error on TB820/TB840
- The error is corrected in version 3.2/4.
[ref 3BSE029566D0007 VASMASOITA0844 ]
- AC 800M Controller Firmware, all versions <3.2/4 - SA/SB supervision error on TB820/TB840
AC 800M does not always detect lost SA/SB supervision signal on TB820/TB840 that is placed on the optical Modulebus. No indication or system alarm will be given when the SA/SB supervision signal on the cluster modem is lost.
The error is present in all currently released 2.x and 3.x versions. All AC 800M CPU variants are affected by the error.