0x01

Craft Alerting (not supported by Japanese variants)

0x00=Disable (default for ITU)

0x01=Enable (default for ANSI)

0x02

Activation Link Test (cannot be disabled for Japanese variants)

0x00=Disable

0x01=Enable (default)

0x03

Periodic Link Test (not supported by Japanese variants)

0x00=Disable

0x01=Enable (default)