MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
2 universal serial ports per interface card, supporting v.35/v.11, rs-232 (v.24), x.21, x.21 ce, rs-449 (v.36) & rs-530 interfaces; hd-26 female connectors that provide auto-detection of interface & gender according to the type of hd-26 cable that is installed; each port permits connection of a wan/user line for data traffic.
