Coherent optical time domain reflectometer is an optical instrument designed for the following purposes:
monitoring of distributed optical losses in the fiber-optic tract of the communication line with optical amplifiers;
registration of events in the fiber-optic tract of the communication line and determining their location with a given accuracy;
control of the performance of optical amplifiers in the fiber-optic tract of the communication line in terms of the level of optical amplification;
support for the simultaneous operation of two COTDR reflectometers at one optical communication line with its opposite ends through the use of various removable modules of optical sources;
transfer of information about the results of control to the control system by the Ethernet protocol.
CHARACTERISTICS
Type of optical fiber: ITU-T G.652 / G.654
Length of the measured communication line: up to 20,000 km
Fixed wavelength of the main optical source: 1558.98 Nm / 1559.79 Nm / 1549.32 nm / 1551.72 nm / 1566.31 nm / 1567.13 Nm