The state can be one of the following:
* Dead — Held in reset because of errors.
* Diag — Slot is being ignored while the FPC is running diagnostics.
* Dormant — Held in reset.
* Empty — No FPC is present.
* Offline — (PTX Series Packet Transport Routers only) One of the following two states is displayed:
`FPC offlined due to unreachable destinations`
`FPC Offlined due to degraded FPC action`
* Online — FPC is online and running.
* Present — FPC is detected by the chassis daemon, but is either not supported by the current version of Junos OS, or is inserted in the wrong slot. The output also states either `Hardware Not Supported` or `Hardware Not In Right Slot`. The FPC is coming up, but not yet online.
* Probed — Probe is complete; awaiting restart of the Packet Forwarding Engine.
* Probe-wait — Waiting to be probed.
* Unknown — FPC is present, but the state is unknown.
* Onlining — FPC is in the process of going online. ASIC and the rest of the hardware is initializing.
* Offlining — FPC is in the process of going offline. ASIC and the rest of the hardware is being shutdown to take the offline gracefully.
* Fault — FPC is in an alarm state in which none of the PICs are operational.
* Fault-off — FPC is powered off due to a fault.
* Spare — FPC is redundant and will move to active state if one of the working FPCs fails to pass traffic.