#242 OPTO 22 PB16A 16-Channel Rack I/O Board + IAC5 (x13) Input I/O Module

#246 OPTO 22 PB16A 16-Channel Rack I/O Board + OAC5 (x14) Output I/O Module

OPTO 22 PB16A 16-Channel Rack I/O Board w/Variety I/O Modules (KB)

Opto 22 PB16P1 PAMUX 1 16 Channel I/O Module Rack

Opto 22, SNAP-ODC5R, SNAPODC5R, Snap I/O Module Relay SSR 4 Channel Output NEW

Opto 22 PB8 8-channel I/o Relay Module Rack Card w/ 3 Modules - Used

#245 OPTO 22 PB16A 16-Channel Rack I/O Board + OAC5 (x10)Output I/O Module.

OPTO 22 PB16A 16-Channel Rack I/O Board + 5 Modules-Used Take Out