A directory attribute value, the contents of this
string-valued directory attribute.
Usage: String-valued directory attributes SHALL be
specified as UTF-8 encoded Unicode (ISO 10646) strings.
Usage: When directory attribute type is 'protocolTyped...' the
particular protocol layer SHALL be specified by placing a
a value from the enumeration 'XcmCommsStackExtProtocol' in
'xcmCommsDirAttributeValue' for this row.
Usage: Conformant implementations MUST encrypt passwords, keys,
and other security information stored in this string object.