Watchdog timers are provided in the SpW-10X on each port to detect blocking (see the section “Wormhole Routing“). If a SpaceWire packet becomes blocked for any reason the SpW-10X will detect this blockage, append an EEP to the end of data already sent, and spill the tail end of the packet. A range of time-out values are provided from 0.1ms to over 1s. The watchdog timers can be disabled.