Dialogic Eiconcard S94 V2 PCI (2 x WAN) including 2 053-007-02 interface cables to DB25M for HDLC Serial interfacing. Comes with The Eiconcard S Series are intelligent multi-protocol wide-area network (WAN) interface card for PCI/PCIe bus based servers. The Eiconcard S Series of 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. The Eiconcard S Series allows you to connect over a variety of WAN protocols such as X.25, Frame Relay, PPP, SDLC and HDLC, over leased lines, dial-up lines or ISDN lines. It offloads the server from low level protocol processing tasks, resulting in a saving of valuable server CPU resources.https://www.eiconworks.com/Eiconcard-S-Series.asp