TN52UXCM is a universal cross connect board applied to Huawei OSN8800 T32, with cross-connect capacity of 3.2T, ODUk, Packet, VC4&VC12. TN52UXCM part number is 03021KSK, and it has only one functional version TN52. 3.2T universal cross connect board (ODUk, PKT, VC4&VC12) on Huawei OSN8800 T32. Enhanced OptiX OSN 8800 T32 subrack: Cross-connects a maximum of 3.2 Tbit/s ODUk (k = 0, 1, 2, 2e, 3, 4or flex) signals. Performs packet switching of a maximum of 1.6 Tbit/s Ethernet services. Cross-connects a maximum of 1.28 Tbit/s VC-4 signals. Cross-connects a maximum of 80 Gbit/s VC-3/VC-12 signals. Supports hybrid transmission of the above-mentioned services with the maximum cross-connect capacity of 3.2 Tbit/s. General OptiX OSN 8800 T32 subrack: Cross-connects a maximum of 2.56 Tbit/s ODUk (k = 0, 1, 2, 2e, 3, 4 or flex) signals. Performs packet switching of a maximum of 640 Gbit/s Ethernet services. Cross-connects a maximum of 1.28 Tbit/s VC-4 signals. Cross-connects a maximum of 80 Gbit/s VC-3/VC-12 signals. Supports hybrid transmission of the above-mentioned services with the maximum cross-connect capacity of 2.56 Tbit/s. Supports cross-connection 1+1 protection. Provides 1+1 hot backup. Provides 1+1 warm backup. Supports the manual switching and auto switching. Supports the non-revertive switching. Supports electrical-layer ASON.