Chapter 1 ’Overview’ — Chassis Description
36 Amethyst III DTV Smart Switch
User Manual
Figure 1-27. Phoenix GPI wiring with free voltage contacts
Figure 1-28. Phoenix GPI wiring with a GPIO server
Figure 1-29
shows a specific example where two Amethyst III devices are
chained: one Master, one Slave. By configu
ring the free voltage contacts
of the Master and the GPI inputs of the Slave, we can guarantee that the
Master will pilot the Slave’s switching behavior.