Motorola ATCA-717 - Manual (Page 45)

Switch Settings Installation
PENT/ATCA−717 45
Switch Description
SW7−3 Routing of PMC slot 3 Pn4 connector pins 30 and 31
OFF: Pin 30 and 31 are routed to zone 3 backplane connector and
are available as PMC I/O signals (default)
ON: Pin 30 and 31 hold clock reference signals generated by
clock synchronization building block
SW7−4 Routing of PMC slot 4 Pn4 connector pins 30 and 31
OFF: Pin 30 and 31 are routed to zone 3 backplane connector and
are available as PMC I/O signals (default)
ON: Pin 30 and 31 hold clock reference signals generated by
clock synchronization building block