An optical communication system, the optical communication system comprising: an optical path (110, 120) comprising a plurality of cable segments (116-1..116-n, 126-1..126-n); a terminal station (102, 104) with line monitoring equipment (140, 142) coupled to the optical path (110, 120), the LME (140, 142) being configured to: transmit at least one LME test signal along the optical path (110, 120); receive a plurality of gain measurements representing gain imparted to the at least one LME test signal through each of the plurality of cable segments(116-1..116-n, 126-1..126-n); derive a resulting LME data set based on the received plurality of gain measurements; receive a plurality of system parameters associated with the optical communication system; and generate an output file based at least in part on the resulting LME data set and the system parameters associated with the optical communication system, wherein the at least one LME test signal comprises a plurality of LME test signals, and wherein deriving the resulting LME data set further includes averaging a predetermined number of data sets associated with each of the plurality of LME test signals, and the predetermined number of data sets is based at least in part on a length of the optical path (110, 120). an optical path (110, 120) comprising a plurality of cable segments (116-1..116-n, 126-1..126-n); a terminal station (102, 104) with line monitoring equipment (140, 142) coupled to the optical path (110, 120), the LME (140, 142) being configured to: transmit at least one LME test signal along the optical path (110, 120); receive a plurality of gain measurements representing gain imparted to the at least one LME test signal through each of the plurality of cable segments(116-1..116-n, 126-1..126-n); derive a resulting LME data set based on the received plurality of gain measurements; receive a plurality of system parameters associated with the optical communication system; and generate an output file based at least in part on the resulting LME data set and the system parameters associated with the optical communication system, wherein the at least one LME test signal comprises a plurality of LME test signals, and wherein deriving the resulting LME data set further includes averaging a predetermined number of data sets associated with each of the plurality of LME test signals, and the predetermined number of data sets is based at least in part on a length of the optical path (110, 120). transmit at least one LME test signal along the optical path (110, 120); receive a plurality of gain measurements representing gain imparted to the at least one LME test signal through each of the plurality of cable segments(116-1..116-n, 126-1..126-n); derive a resulting LME data set based on the received plurality of gain measurements; receive a plurality of system parameters associated with the optical communication system; and generate an output file based at least in part on the resulting LME data set and the system parameters associated with the optical communication system, wherein the at least one LME test signal comprises a plurality of LME test signals, and wherein deriving the resulting LME data set further includes averaging a predetermined number of data sets associated with each of the plurality of LME test signals, and the predetermined number of data sets is based at least in part on a length of the optical path (110, 120).