It supports unbalanced AES3id audio I/O using BNC connectors. Select audio groups using the rotary switches and embed or de-embed additional audio groups by cascading two modules together.Features Multi-function: 4 x AES embedder or de-embedder 2 x AES embedder and de-embedder SDI video formats up to 3Gbit (1080p60) 4 x AES inputs or outputs Selectable audio groups Optional Fiber I/O Integrated 1 kHz test tone generator Automatic PCM / encoded audio detection Auto black if no video present Selectable SDTV 24 bit mode Video present and audio status LEDsThe PDM 1284 B is a versatile AES audio embedder / de-embedder designed for a wide range of SDI video formats up to 3Gbit. Wavelength: 850nm - Fiber LC connectorsOH-TR-3-155: Optical Transceiver SFP Module. Wavelength: 1550nm (non CWDM) - 40km - Fiber LC connectorsOH-BD-1-1310-Y: Single Fiber Optical Transceiver SFP module - 10Km - 1310nm - Fiber LC connectors (requires OH_BD_1_1550_Y at the other end)OH-BD-1-1550-Y: Single Fiber Optical Transceiver SFP module - 10Km - 1550nm - Fiber LC connectors (requires OH_BD_1_1310_Y at the other end) POWER OPTIONS: (Add option to your cart above) P-TAP 1000: P-TAP Battery Adapter Cable This option allows the yellobrik to be powered from a battery with a standard P-TAP power connection. Cable length 1.8m XLR-1000: 4 Pin XLR Camera Battery Adapter Cable This option allows the yellobrik to be powered from a camera battery with a standard 4 pin XLR power connection. Cable length 1.8m