GarrettCom 4K-Series - Manual (Page 43)

Magnum 4K8 Switches Installation and User Guide (10/04)
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B4.1 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.
B5.0 OPERATION
Operation of the Magnum Ks with the optional -48VDC, 24VDC & 125VDC
power supply is identical to that of the standard AC-powered models.
B6.0 ORDERING INFORMATION
To order the optional -48VDC power supply factory installed, add a suffix of “-
-48VDC” after the product’s standard model #. Example: Magnum 4K8-48VDC.
Similarly, to order the optional 24VDC or 125VDC industrial specific power
supply factory installed, add a suffix of “ 24VDC” or “125VDC” after the product ‘s
standard model #. Example: Magnum 4K8- 24VDC or Magnum 4K8- 125VDC.
B7.0 TROUBLESHOOTING
Please refer to Section 6.0 for troubleshooting
APPENDIX C: INTERNAL DC DUAL-SOURCE POWER OPTION
C1.0 SPECIFICATIONS - FOR MAGNUM 4K-SERIES FIBER SWITCH
Power Supply (Internal, -48VDC Dual-Source, model # Dual-Src-48V)
DC Power Connector: First Source: “A+”, “A -“ , 2nd Source “B - “, “B+”
GND: Terminal for “earth” or ground wire connection to the hub chassis
Input: Two separate sources, each at 36 - 70 VDC
Power Consumption: Model -4K8: 9 watt typical, 11 watts max.
Power Supply (Internal, 24VDC Dual-Source, model # Dual-Src-24V)
DC Power Connector: First Source: “A+”, “A -“ , 2nd Source “B - “, “B+”
GND: Terminal for “earth” or ground wire connection to the hub chassis
Input: Two separate sources, each at 20 - 36 VDC
Power Consumption: Model -4K8: 9 watt typical, 11 watts max.
Power Supply (Internal, 125VDC Dual-Source, model # Dual-Src-125V)
DC Power Connector: First Source: “A+”, “A -“ , 2nd Source “B - “, “B+”
GND: Terminal for “earth” or ground wire connection to the hub chassis
Input: Two separate sources, each at 120 - 160 VDC
Power Consumption: Model -4K8: 9 watt typical, 11 watts max.
With the exception of the dual DC input power connections and the power supply, all
specifications and configuration options for the Magnum 4K8 -48VDC, 4K8-24VDC &
125VDC with this Dual-Source option are identical to those listed in the Magnum 4K-