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Continue to Chat(USED) CISCO C9300-48T-A/C9300-48T-E Catalyst 9300 48x 1GB RJ-45 1x Expansion Module Slot Switch https://www.c2-computer.com/zh-cn/products/used-cisco-c9300-48t-a-c9300-48t-e-catalyst-9300-48x-1gb-rj-45-1x-expansion-module-slot-switch