Magnum 4K220 Switches Installation and User Guide (10/04)
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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 (auto-ranging)
Power Consumption: Model -4K220: 28 watt typical, 35 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 - 40 VDC (auto-ranging)
Power Consumption: Model -4K220: 28 watt typical, 35 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 (auto-ranging)
Power Consumption: Model -4K220: 28 watt typical, 35 watts max.
With the exception of the dual DC input power connections and the power supply, all
specifications and configuration options for the Magnum 4K220 -48VDC with this Dual-
Source option are identical to those listed in the
Magnum 4K-Series Fiber Switches
Installation and User Guide
, including Appendix B “Internal DC Power Supply Option”
C2.0 MAGNUM 4K-SERIES , with -48VDC, 24VDC & 125VDC Dual-Source
option
The 4K220-Switch models with the internal -48VDC, 24VDC & 125VDC
Dual-Source power supply are designed for installations where a battery plant is the
power source, and where two separate power sources are utilized in order to increase
operational uptime and to simplify maintenance.
The functionality of the Magnum 4K-Series -48VDC, 24VDC & 125VDC
Dual-Source Option units are identical to the standard AC-powered models. Refer to
the main sections of this
Installation and User Guide
for a detailed description of the
Magnum 4K-Series Switches.
