N5511A Phase Noise Test System User’s Guide 347System InterconnectionsMaking ConnectionsMaking ConnectionsUse the information in this section to connect your system hardware.1. Verify all cables connected to instruments with the appropriateconnectors and adapters, using the following pages in this section.2. You may connect other assets (in addition to those supplied with thesystem) either at this time or after running the confidence test.3. Lastly, connect the power cord(s) to the AC power supply.Before connecting the cables to any device:— Check all connectors for wear or dirt.— When making the connection, torque the connector to the proper value.Proper Connector Torque— Provides more accurate measurements— Keeps moisture out of the connectors— Eliminates radio frequency interference (RFI) from affecting yourmeasurementsThe torque required depends on the type of connector. Refer to Table 18-1. Donot overtighten the connector.Never exceed the recommended torque when attaching cables.Make all system hardware connections without AC power applied. Failure to do so may result indamage to the hardware. Make connections in a properly grounded environment. Keysightrecommends wearing grounding wrist or foot straps. Failure to do so may result in damage to thehardware.Table 18-1 Proper Connector TorqueConnector Torque cm-kg Torque N-cm Torque in-lbs Wrench P/NType-N 52 508 45 hand tighten3.5 mm 9.2 90 8 8710-1765
