PN's vary based on what you have. I'm interest in any or all of these. 69-003456-00 Total Control E1 HiPer DSP NAC 69-002072-00 Total Control E1 HiPer DSP NAC w/ daughtarcard 993787-00 Total Control E1 HiPer DSP Card Set R2-CAS 992267-00 Hiper DSP E1 - 30 Channel Modem card set Let me know what you have. Must be working. Steve Rivera WR Consultant Associates, Inc. Dir: 732-833-2111 x102 IM: srivera711 www.wrca.net Providing Network Hardware Since 1981.