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Customer premises cabling for information technology
Part 2: 2048 kbit/s ISDN primary access and leased line network interface

This European standard specifies the design and configuration of customer premises cabling for the connection of primary access ISDN equipment.

It includes

- design requirements for ISDN primary access point-to-point configuration;
- cabling requirements for the installation of new cabling;
- criteria for the use of existing cabling;
- implementation of ISDN primary access on generic cabling systems according to EN 50173.

This-standard applies to the customer premises cabling for the transmission of ISDN primary access signals as defined by ETS 300 011. The requirements in this standard also apply to the cabling between Open Network Provision 2048 kbit/s network interfaces and terminal equipment conforming to ETS 300 248.