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SpaceWire link is used to enable the reliable transmission of data at high speed (between 2 Mb/s and 400 Mb/s) from one unit to another. SpaceWire links are full-duplex, point-to-point, serial data communication links. Advantages Near constant total drive current (+3,5 mA for logic 1 and -3,5 mA for logic 0) which decreases switching noise on power supplies. High immunity to ground potential difference between driver and receiver. LVDS can tolerate at least ±1 V ground difference. High immunity to induced noise because of differential signalling normally using twisted-pair cable. Low EMI because small equal and opposite currents create small electromagnetic fields which tend to cancel one another out. Not dependent upon particular device supply voltages. Simple 100 Ohms termination at receiver. Power consumption is typically 50 mW per driver receiver pair for LVDS compared to 120 mW for ECL or PECL.

Compact 22.5 mm format Six Class A EN 50205 power contacts Removable terminals Cycle before dangerous failure: B10d=100,000 at 5A Max. closing time for NO contact: < 15ms (rebounds included) Duration of rebounds for NO contact: < 4ms Max. closing time for NF contact: < 16ms (rebounds included) Duration of rebounds for NF contact: < 13ms Protection severing wires: yes (opening of NO contacts) Safety contacts: 4x NO 8A/250V / 2x NF 8A/250V Indicators: 2 LEDs Reset: automatic Mounting: symmetrical DIN 35mm rail on DIN 50022 Mounting: IP 54 electrical box Electrical connection: Maximum 14 AWG (2.08 mm²) / 250V minimum Temperature: -20°C to +60°C