... .25, LAPB, PPP, PPPoE (Server/Client)Multilink PPP, HDLC, SLIP, ISDN (PRI/BRI), XoT, X.25-TCP, 802.1Q, MPLSNetwork LayerARP, Proxy ... -S/T1-port Ethernet, 1-port Serial and 1-port ISDN BRI S/T ModuleNM-1E2T1-port Ethernet and 2-port ... of software, modular, etc. The right of final interpretation belongs to BDCOM. For more information, please contact us.Shanghai Baud Data ...