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line-rate traffic processing with zero packet loss
25GBASE-SR SFP Module
Specification Details Vendor Name NSComm Product Type 400G OSFP to OSFP Direct Attach Copper Cable (DAC) Data Rate 400 Gbps (8×50 Gbps PAM4 lanes) Cable Type Twinax Copper
designed for large-scale powered-device networks
hot-swappable and auto-redundant
H3C S5120V3-20P-LI 16xGE + 4xSFP SMB Access Switch Cisco ISR 4400 Series Routers line-rate traffic processing with zero201G RJ45 + 41G Uplink L2 L2+ Access Switch (LI Series) Overview The H3C S5120V3 20P LI is a versatile 20 port Gigabit access switch designed for enterprise wiring closets, school networks, retail, hospitality, and SMB offices. It provides 16 1G access ports + 4 1G combo uplink ports (RJ45 SFP), enabling flexible copper or fiber uplink deployment. As part of the LI series, it supports VLAN, ACL lite, IGMP Snooping, QoS policies, DHCP protection, and