Library /sys$common/syshlp/ncphelp.hlb CLEAR, MODULE, X25-PROTOCOL, KNOWN_DTES, INTERRUPT TIMER  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 Resets the INTERRUPT TIMER to its default value in the volatile
 database, or removes the INTERRUPT TIMER value from the permanent
 database.