This variable defines and provides information on the
Operation Administration and Maintenance (OAM) mode of
an EPON device as defined by the [802.3ah] clause 57.
When noOam(1) the device does not supports the OAM mode.
When oamServer(2) the device supports the OAM mode as a
server unit. When oamClient(3) the device supports the
OAM mode as a client unit.
Writing can be done during initialization,
hpnicfEponDeviceObjectDeviceReadyMode is in notReady(1) or
inProcess(2).
This attribute is relevant for an OLT and an ONU.