Library /sys$common/syshlp/ncphelp.hlb SET, EXECUTOR, SUBADDRESS range  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 Applies only to DLM circuits.  Specifies a range of local DTE
 subaddresses that the Routing Layer will accept as X.25 DLM calls.
 VAX P.S.I. will route all incoming X.25 calls within the specified
 subaddress range to the Routing Layer to be handled as DLM calls.