used recently pulled from working environment.

description by mfg:

Quad Pak I/O family

The IDC5Q is a 4-channel AC/DC input module. It accepts input voltages of 12–32 VAC/10–32 VDC and uses 5 VDC logic. It is compatible with Opto 22 Optomux, Pamux, and Mistic protocol brain boards and mounting racks, as well as racks using a direct cable connection to a computer. This module can also be used with a Raspberry Pi, the Digital I/O Carrier Board (part number OPTO-P1-40P), and the PB16HQ mounting rack.