A reference to the corresponding originating connection in
the table chmgrOConnectionTable in the Channel Manager MIB
(NETI-CHMGR-MIB). When an originating connection is
established from this trail termination point, an entry is
created in the table. The value is the index into that
table, i.e. the value of chmgrOConnIndex. If no connection
is established or associated with this connection, this is
indicated by a value of zero (0).