SYSTEM AND METHOD FOR PROTECTING STM-1 ACCESS CHANNEL IN PTN EQUIPMENT Russian patent published in 2018 - IPC H04L12/24 

FIELD: network communication technologies.

SUBSTANCE: invention relates to network communication technologies. Proposed is a protection system that includes: a cross-protection unit, a STM-1 interface block of the 155.520 Mbit/s synchronous forwarding module and remote equipment, wherein the above-mentioned cross-protection unit includes a serial-connected Ethernet cross-protection port, as well as a subunit of OAM (management and maintenance work) of Ethernet monitoring and cross-protection sub-blocks, wherein the above-mentioned STM-1 interface unit includes a serially connected from the beginning to the end of the Ethernet synchronous transmission interface, STM-1 interface and OAM synchronous redirect monitoring subunit, Ethernet synchronous forwarding interface and Ethernet cross-protection interface are connected with each other, and the STM-1 interface and remote equipment are connected to each other.

EFFECT: technical result is improved data transmission security.

5 cl, 1 dwg