Samsung SPE-400 User Manual

Also see for SPE-400: User manual

English _17● INSTALLATION & CONNECTIONPower SupplyUse the screwdriver to connect each line +, – of the power cable to the correspondingpower port of the network video encoder.J  Be careful not to reverse the polarity when you connect the power cable. If you want to connect an external device, you must turn off the external device before proceeding.Electrical Resistance of Copper Wire at [20°C (68°F)]Copper Wire Gauge (AWG) #24(0.22mm2) #22(0.33mm2) #20(0.52mm2) #18(0.83mm2)Resistance (Ω/m) 0.078 0.050 0.030 0.018Drop Voltage (V/m) 0.028 0.018 0.011 0.006Recommended Distance (m) Less than 20 Less than 30 Less than 30 Less than 30 As shown in the table above, you may encounter a voltage-sag depending on the wire length.If you use an excessively long wire for network video encoder connection, the network video encoder maynot work properly.- Network Video Encoder Operating Voltage : DC 12V±10%- Voltage drop measurements on the chart above may vary depending on the type and manufacture ofthe copper cable.Grounding the ProductUse screwdriver to connect grounding cable to the FG screw right next to the power inlet.J  Grounding protects the product from a surge or lightning. When grounding, make sure to turn the product’s power off.Recommended Grounding Cable Length : Less than 3M Gauge : 18 AWG or biggerEx) UL1007 AWG 18/16, UL1015 AWG18/16/14/12, UL2468 AWG18/16/14