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Russound 857 - SaphIR Connecting Block The Russound 857 SaphIR Connecting Block is the central hub for IR repeater systems, enabling seamless connection of infrared accessories. It receives signals from remote infrared receivers and channels them to your source components and other audio-visual equipment. Key Features Supports up to six components with Russound 845.1 single IR emitters or up to 12 components with Russound 1584.1 dual emitters Detachable screw connector for wiring multiple IR receivers such as Russound 858 and 862 Includes jacks for Russound 854 tabletop receiver and common IR signals from multiroom systems Compatible with Russound 846C and 1201A 12-volt power supplies Optional Status power circuit for products with status indication LED indicators provide visual confirmation of power, status, and IR signal reception Compact design for easy mounting near audio-video equipment Specifications Shipping Dimensions 2.7" (W) x 5.4" (H) x 2.3" (D) (6.8 x 13.7 x 5.7 cm) Shipping Weight 0.2 lbs (0.1 kg) Indicators Red LED for power Green LED for status power Blue LED for IR signal confirmation IR Common Input 1/8" (3.5 mm) TRS jack (Tip = signal, Ring = ground, Sleeve = power) IR Emitter Connectors (6) 1/8" (3.5 mm) TS jacks (Tip = signal, Sleeve = ground) IR Receiver Connector Detachable 4-pole screw terminal block IR Receiver Input 1/8" (3.5 mm) TRS jack (Tip = signal, Ring = ground, Sleeve = power) Max Wire Size 12 AWG (2.4 mm) Power Requirement(s) 12 VDC 200 mA to 1 A (use Russound 846C or 1201A power supply) Status Power Connector 12 VDC 200 mA (use Russound 846C power supply)