Z4.09

Faults, disconnection, and degraded modes

Cards in this group · 4

  1. Z4.09.1A disconnected device must be flagged, not silently left showing its last state
  2. Z4.09.2Faults must be attributed across device, network, and cloud
  3. Z4.09.3The scope of degraded-mode capabilities must be communicated in advance
  4. Z4.09.4After recovery, state must be confirmed, not assumed restored