Magnum Quad-Series Fiber Switches | Installation and User Guide (06/03) |
Note: The GND should be hooked up first. The Quad-Series Switch unit has a floating ground, so the user may elect to Ground either + or = terminal to suit the customer’s use.
Before connecting to Terminal Block of –48VDC, 24, 100 or 125VDC, always use a digital voltmeter to measure the output voltage of the power supply and determine the lead which is more “+ve potential”. The more “+ve” voltage lead from 48V or –48V supply must be connected to the post labeled “+”.
The connection procedure is straightforward. Simply connect the DC leads to the switch’s power terminals, positive (+) and negative (-) screws. The use of Ground (GND) is optional; it connects to the switch chassis. Ensure that each lead is securely tightened.
C5.1 UL Requirements
The following must be adhered to in order to conform to UL requirements:
1.Minimum 14 AWG cable for connection to a Centralized DC power source.
2.Fastening torque of the lugs on the terminal block: 9 inch pound max.
3.Centralized DC Power Source cable securement, use at least four cable ties to secure the cable to the rack at least 4 inches apart with the first one located within 6 inches of the terminal block.
C6.0 ORDERING INFORMATION
To order the optional Dual-Source -48VDC power supply factory installed, order “Dual-Src-48V” as a separate line item following the product model.
Example: Magnum QS5116-48VDC
Dual-Src48Vfor regular model with no ON-OFF switch or Dual-Src48V-SWITCHfor model with ON-OFF switch
Similarly to order “Dual-Src24V” or “Dual-Src100V” or “Dual-Src125V” as a separate line item following the product model.
Example: Magnum QS5108-24VDC or Magnum QS5116-125VDC Dual-Src48V for regular model with no ON-OFF switch or Dual-Src48V-SWITCH for model with ON-OFF switch
C7.0 OPERATION
Operation of the Dual-Source Magnum Quad-Series Switch-48VDC, 24, 100 and 125VDC models are identical to that of the standard models. Please refer to the applicable sections of the “Installation and User Guide” for more information on the basic switches.
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