ISDNET, INC. NETROUTER 1040 Card Type ISDN to Ethernet router Chipset Unidentified Network Transfer Rate 10Mbps x 4 Topology Star Wire Type Unshielded twisted pair Error Correction/Compression STAC ISDN Transfer Rate 56Kbps x 2/64Kbps x 2 ISDN Protocol PPP Switch Type 5ESS, DMS100, NI-1 Data Bus Serial [Image] CONNECTIONS Function Label Function Label AC power in CN1 UTP connector 2 CN5 Serial port CN2 UTP connector 3 CN6 ISDN U interface CN3 UTP connector 4 CN7 UTP connector 1 CN4 Power switch SW1