Dell Eicon EiconCard S91 v2 - Network / ISDN modem combo - plug-in card - PCI / 66 MHz - ISDN BRI ST - 128 Kbps - T-1/E-1 - ISDN, SDLC, HDLC, Frame Relay, X.25, PPP
The Eiconcard S91 are intelligent multi-protocol wide-area network (WAN) interface card for PCI bus based servers. The Eiconcard S91 WAN interface cards are targeted for branch office LAN application servers. They offer a Very High Speed Interface (VHSI) port and an ISDN BRI port, supporting line speeds of up to 2 Mbps (T1/E1) and 128 Kbps respectively.