This cable is used for linking ISDN devices. The cable can be used to connect an ISDN modem to an NT box or S-bus board. Note that this cable cannot be used for networking for that you need UTP or STP (twisted pair) cable.
Sandberg ISDN flatcable RJ45-RJ45 5 m. Cable length: 196.9" (5 m), Cable color: Black. Package width: 3.54" (90 mm), Package depth: 0.984" (25 mm), Package height: 8.07" (205 mm). Connector(s): RJ45/RJ45