What is the Opengear ACM5004-2-I?
The Opengear ACM5004-2-I is a network/telecom equipment component, listed by the manufacturer as "The ACM5004/5508-2-I support multiple signaling protocols (RS-232, RS-422 and RS-485) on the serial RJ-45 ports 1 through 4/8". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.