3X-PBXDD-AB - Digi DataFire SYNC 2000

Network adapter - PCI - Frame Relay, X.25 - V.11, V.24, V.35, serial RS-449, V.36, serial RS-530 - 4 ports - T-1/E-1 - for AlphaServer DS25, ES40, ES45, ES47, ES80, GS1280, GS160, GS320, GS80