https://www.yinuo-link.com/mzl.aspx?nid=3&typeid=99
Ethernet Switch Module - YINUOLINK CO., LTD
Ethernet Switch Module,YINUOLINK CO., LTD
ethernet switch modulecoltd
https://www.jha-tech.com/
Fiber Ethernet Switch, Managed PoE Switch, SFP Module - JHA
Founded in 2007 in Shenzhen, JHA Tech designs and manufactures industrial Ethernet switches, media converters, products for applications where connectivity is...
fiber ethernet switchmanaged poesfp modulejha
https://www.equipment-hq.co.uk/product/cisco-ws-x4748-rj45ve-network-switch-module-fast-ethernet-gigabit-ethernet/
Cisco WS-X4748-RJ45V+E network switch module Fast Ethernet, Gigabit Ethernet - Equipment HQ
Catalyst 4500E Series, 48-Port, 802.3af PoE and 802.3at PoEP, 10/100/1000 (RJ-45)