7.4.2.2 IEEE Std 802.1AS-2020 Profile

7.4.2.2.1 General

A UAFX Station supporting gPTP time synchronisation as defined in IEEE Std 802.1AS‑2020 shall conform to IEEE Std 802.1AS‑2020, 5 with the definitions specified in 7.4.2.2.2, 7.4.2.2.3, and 7.4.2.2.4.

7.4.2.2.2 gPTP domain support

A UAFX Station supporting gPTP time synchronisation shall support at least two gPTP domains in a Bridge Component for Working Clock and Global Time and at least one gPTP domain in an End Station Component for Working Clock or Global Time.

7.4.2.2.3 Message priorities

The gPTP message priority is defined in IEEE Std 802.1AS‑2020, 8.4.4.

It is recommended that gPTP messages are transmitted using the traffic class associated with Network Control as defined in Table 1 and derived from 6.4.3.

7.4.2.2.4 Remote management

A UAFX Station supporting remote management (see 6.2) and gPTP time synchronisation shall implement gPTP management for the managed objects defined in IEEE Std 802.1AS‑2020, 14.