EDG-4504-A
https://www.cme.co.za/shop/edg-4504-a-16852
https://www.cme.co.za/web/image/product.template/16852/image_1920?unique=3d1e878
4-port RS-232/422/485 to Ethernet Data Gateway
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30-day money-back guarantee
Shipping: 2-3 Business Days
Product Datasheet