Small Offices/Homes. The new 1-port solutions PrimuX S0, PrimuX S0 NT (PCI adapters) and PrimuX USB (external controller) offer the excellent PrimuX performance at a very low price. They are reliable server controllers supporting all supplementary CAPI services, which makes them the right choice for small call distribution and switching systems and for fax servers. Technical details Internal: Y ISDN interface type: BRI Interface type: PCI-E Ports & interfaces Data link protocols: X.25, X.75, transparent, HDLC transparent, V.110, T.30, T.70 NL, T.90 NL, ISO 8208, LAPD Weight & dimensions Width: 170 mm Height: 105 mm Operational conditions Storage temperature (T-T): -20 - 70 °C Operating relative humidity (H-H): 20 - 85% Operating temperature (T-T): 0 - 50 °C Modem Connectivity technology: Wired