Arescom Flash 200 Internal 128Kbps ISDN Modem. Modem has one RJ-45 port for ISDN U interface, 2 analog phone ports, DB-25 and DB-9 PC interface ports. Supports 56/64/112/128 Kbps ISDN data rates and AT&T 5ESS Custom, National ISDN-1 AT&T 5ESS or DMS 100, NorTel DMS 100, and AT&T Point-to-Point ISDN switch standards. Compatible with Windows 95 with dial-up networking (supports MLPPP) and PAP, CHAP authentication. Comes in retail box with PC interface cable and power supply, documentation, software CD-ROM and driver 3.5 diskettes.