ICS Triplex · Trusted System ICS Triplex T8153 Trusted Communication Interface Adapter | 10/100BaseT & RS422/485 Product overview Provides external access to the communications ports of Trusted Communication Interface Modules in the Controller Chassis for peer-to-peer communications, DCS and other links, networked PCs and external connections. Part Number T8153 Ports 2 Ethernet · 4 RS422/485 · 2 RS232 Publication PD_T8153 · Issue 14 01 · Technical data Technical Specification