Product name: Bently Nevada 125768-01 Rack Interface I/O Module

Product description:

Provides the primary interface to the Bently Nevada 3500/20 rack.
Supports RS232 and RS422 communication protocols.
Enables configuration of the rack and retrieval of machinery information.
Compatible with Bently Nevada external communications processors like TDXnet, TDIX, and DDIX.
One RIM is required per rack, and a TMR version is necessary for Triple Modular Redundant (TMR) applications.