Function and Feature Description Basic function Implements grooming of services. Cross-connect function Implements non-congestion full cross-connection of 1.28 Tbit/s ODUk (k = 0, 1, 2, 2e, 3 or flex)/VC-4 signals. Protection scheme Supports cross-connection 1+1 protection and provides 1+1 hot backup. Supports warm backup. Switching mode Supports the manual switching and auto switching. Supports the non-revertive switching. Electrical-layer ASON Supported TN52XCH is a centralized cross connect board applied to Huawei OSN8800 T32, with cross-connect capacity of 1.28T ODUk, VC4. TN52XCH part number is 03030MEG, and it has only one functional version TN52.
