Recording of ISDN S/T interfaces with support for TE mode only. This requires a maximum cable length of 6 meters between the line access point and the recorder.

The interface cards for connecting to a BRI connection are packaged in either half-length PCIe format or full length PCI-X bus format with 8, 16 or 24 ports. The capacity of the cards can be increased with additional modules that are specific to each card format.