0x01

Remote Inhibit Confirmation

0x02

Remote Uninhibit Confirmation

0x03

Local Inhibit Denied

0x04

Local Inhibit Timeout

0x05

Local Inhibit Confirmation

0x06

Local Uninhibit Confirmation

0x07

Local Uninhibit Not Possible

0x08

Local Uninhibit Timeout

0x0A

Link In Service

0x0B

Link Out-of-Service, L1_DEAD

0x0C

Link Out-of-Service, L5_OOS3