A reference to the corresponding description of the
connection in the chmgrODescriptionTable in the Channel
Manager MIB (NETI-CHMGR-MIB). The value is the index into
the table, i.e. the value of chmgrODescrIndex. When a row is
created in or deleted from this table, the corresponding row
is created in or deleted from the table
chmgrODescriptionTable.