MRC:
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.SUPP
Supplementary Features:
Operation: full and half duplex on two wire dial or lease line; synchronous operation: can operate as a synchronous data pump, supports external and loopback timing; asynchronous data format: support of 8, 9, 10 and 11 bit character formats including wang 2200 protocol; full analog call-progress detection; built-in speaker; status indicators: power, test, off-hook, high speed, data terminal ready, transmit data, receive data; transmit level -10 porm 1 dbm, programmable 0 to -15 dbm; receive level -9 to -43 dbm; temp 0 to 40 degrees c; relative humidi type 0 to 95 percent non-condensing; automatic dial backup call initiation on lease line failure or line quality problem
