[2] [2] CHAVE A D, ARROTT M, FARCAS C, et al. Cyberinfrastructure for the US ocean observatories initiative: Enabling interactive observation in the ocean[C]//IEEE. Proceedings of Oceans 2009-Europe. Piscataway: IEEE Press, 2009: 1-10.

[4] [4] TAYLOR S M. Transformative ocean science through the VENUS and NEPTUNE Canada ocean observing systems[J]. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2009, 602(1): 63-67.

[7] [7] PHILIPPE D. EllaLink & EMACOM launch the"EllaLink GeoLab" SMART submarine cable initiative[EB/OL]. (2020-06-29)[2021-03-15].https://ella.link/2020/06/29/ellalink-emacom-launch-the-ellalink-geolab-sm-

[8] [8] CHENG F, CHI B, LINDSEY N J, et al. Utilizing distributed acoustic sensing and ocean bottom fiber optic cables for submarine structural characterization[J]. Scientific Reports. 2021, 11(5613): 1-14.

[9] [9] ZHAN Z, CANTONO M, KAMALOV V, et al. Optical polarization-

[10] [10] GRUND M, FREITAG L, PREISIG J, et al. The PLUSNet underwater communications system: acoustic telemetry for undersea surveillance[C]//IEEE. Proceedings of OCEANS 2006. Honolulu: IEEE, 2006: 1-5.

[18] [18] CREED E L, GLENN S, SCHOFIELD O M, et al. LEO-15 Observa-

[19] [19] HAROLD K, PHIL L, CHEN-CHING L, et al. Design of the NEPTUNE power system[R]. Washington: NASA, 2013.

[20] [20] NISHIKAWA T, MATSUZAWA T, OHTA K, et al. The slow earthquake spectrum in the Japan Trench illuminated by the S-net seafloor observatories[J]. Science, 2019, 365(6455): 808-813.

[21] [21] O W I. OceanWorks_SIIM_3000SC[EB/OL]. (2020-06-29)[2021-03-16]. http://www.oceanworks.com/our-business/science-environmental/obse-

[22] [22] CHEN Y H. Study on 10 kVDC powered junction box for a cabled ocean observatory system[J]. China Ocean Engineering, 2013, 27: 265-275.

[24] [24] MAFFEI A R, CHAVE A D, MASSION G, et al. NEPTUNE gigabit ethernet submarine cable system[C]//IEEE. Proceedings of OCEANS, 2001. MTS/IEEE Conference and Exhibition. New York: IEEE, 2001: 1306-1310.

[25] [25] WOODROFFE A M, PRIDIE S W, DRUCE G. The NEPTUNE Canada junction interfacing science instruments to sub.sea cabled observatories[C]//IEEE. Proceedings of OCEANS 2008-MTS/IEEE Kobe Techno-Ocean. New York: IEEE, 2008: 1305-1314.

[27] [27] SHIRASAKI Y, YOSHIDA M, NISHIDA T, et al. ARENA: a versatile and multidisciplinary scientific submarine cable network of next generation[C]//2003 International Conference Physics and Control(Cat. No.03EX708),

[29] [29] ZHANG Z F, CHEN Y H, LI D J, et al. Use of a coded voltage signal for cable switching and fault isolation in cabled seafloor observatories[J].Frontiers of Information Technology & Electronic Engineering, 2018, 19(11): 1328-1339.