0x01

Format error in incoming message

(NOTE: The PPL Event Indication has AIB of stack)

0x02

Unequipped CIC in incoming message (NOTE: The PPL Event Indication has an AIB of stack)

0x03

Undefined message received (NOTE: The PPL Event Indication has an AIB of stack)

0x04

Confusion Message received

(NOTE: The PPL Event Indication will have a AIB of span/channel)

0x05

Remote User Part Available (NOTE: The PPL Event Indication has AIB of channel)

0x06

Pass On unrecognized/unexpected message

0x07

Unrecognized message received on unequipped CIC

0x08

Discard message with unresolved parameters.