PASSIVE ISDN CARD FOR PCI BUSFeatures‧Multilink PPP combines the two 64K bps B-channels of an ISDN BRI line into a single 128Kbps channel‧PPP asynchronous to synchronous HDLC conversion - for main INTERNET service provider‧Data speed : 64000 bps / 128000 bps‧ISDN interface : S/T interface‧Multiple Subscriber Number‧Support CAPI2.0 32bit, compatible with RVS-COMISDN-PCI/NMultilink PPP for 128Kbps fast INTERNET accessPPP protocol for INTERNET service