Ocean Matrix OMX-PSW6F 6-PIN FireWire Passive Switcher

Ocean Matrix OMX-9051 8x1 Video/Audio-Stereo Switcher

Ocean Matrix OMX-PSW12 12x1 Video & Stereo Audio Passive Switcher - Untested

Ocean Matrix OMX-PSW6 6x1 RS422 Passive Switcher

Ocean Matrix - PSW-24 - Passive 24 x 1 - Audio Video Router Switcher

AutoPatch BNC Composite Matrix Switcher

Used Ocean Matrix OMX-PSW6RS 6x1 RS422 Passive Switcher