MetraByte Corp DAS-16, STA-16 Terminal Accessory Board with OPTO 22 PB4 Relay

Opto 22 G4PB32DEC Module Rack; 50-Pin; Fuse; Rack Mount USED, W/7 Sets I/O Relay

OPTO22 SNAP-IDC-32, 32 Channel I/O Input Module ,SAVE $

Opto 22 PB16T 16-Channel Power Module Rack - USED

Opto 22 SNAP-IAC5, 4-Channel AC Input SNAP I/O Module - USED

226767 Used; OPTO 22 PB32HQ Quad Pak 8-module Rack

OPTO 22 SNAP-B16M 16 Slot Module Rack - USED

OPTO 22 PB4H Relay Mounting Board - USED