Dear User:
N3EGS2 boards also support 1000BASE-T Ethernet electrical ports. The electrical ports support the auto-negotiation function. The negotiated rate can be 10 Mbit/s, 100 Mbit/s, or 1000 Mbit/s. N3EGS2 boards support SFP electrical ports and hot swapping. The maximum transmission distance is 100 m.
https://hongtelecom.net/blog/2018/11/20/huawei-osn-3500-egs2-n2egs2-n3egs2-function/
Thanks!