IX-STPD ................................................................................................... 33
IX-VTPD ................................................................................................... 33
IX-HSHG ................................................................................................... 34
IX-PWSE .................................................................................................. 34
IX-PWSES ................................................................................................ 34
IX-EXPWS ................................................................................................ 34
IX-DCDCM ................................................................................................ 34
IX-RNGUM ............................................................................................... 35
IX-BACBB ................................................................................................. 35
Battery Back-Up........................................................................................ 35
(IX-4SEVMC) ........................................................................................ 47
TABLE OF CONTENTS - ii