This object denotes the default value for the
time interval during which the LLCs on this SAP
shall expect to receive either:
1) an acknowledgement to one or more
outstanding I PDUs. or 2) a response PDU to an
unnumbered command PDU.
The expiration of this timer shall cause the
frame unacknowledged frames to be retransmitted
(up to N2 times).
A zero value for this object indicates that the
port default, llcPortAdminAckTimer, shall be
used as the SAP default. This SAP default
value may be overridden by a non-zero value in
the llcCcAdminAckTimer.