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 10 m. Cable length: 393.7" (10 m), Cable color: Black. Package width: 4.72" (120 mm), Package depth: 2.36" (60 mm), Package height: 8.07" (205 mm). Connector(s): RJ45/RJ45