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Magnum 6K32 & 6K32T Managed Switch Installation and User Guide (12/05)
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than shipping and handling, provided that the product is returned pre-paid to
GarrettCom.
This warranty will not be effective if, in the opinion of GarrettCom, the
product has been damaged by misuse, misapplication, or as a result of service or
modification other than by GarrettCom.
GarrettCom reserves the right to make a charge for handling and
inspecting any product returned for warranty repair which turns out not to be
faulty.
Please complete the warranty card as this acts as a product registration,
and mail it to GarrettCom within two weeks of your purchase.
APPENDIX B : Internal DC Power Supply Options
B1.0 SPECIFICATIONS FOR MAGNUM 6K32T SWITCHES, DC POWER
Power Supply (Internal -48VDC Option)
DC Power Connector: 3 terminals: “
-“, “GND”, “+”
Input Voltage: 36 - 70 VDC
Power Consumption: Same as for AC models (see Section 1.1)
Power Supply (Internal 24 VDC Option) Industrial Applications
DC Power Connector: 3 terminals: “
-“, “GND”, “+”
Input Voltage: 20 - 36 VDC
Power Consumption: Same as for AC models (see Section 1.1)
Power Supply (Internal 125 VDC Option) Industrial Applications
DC Power Connector: 3 terminals: “
-“, “GND”, “+”
Input Voltage: 88 - 150 VDC
Power Consumption: Same as for AC models (see Section 1.1)
With the exception of the power supply, all specifications and
functions of Magnum 6K32T Switch -48VDC, 24VDC and 125VDC models are
identical to those listed in the main manual.
B2.0 -48VDC, 24VDC and 125VDC POWER, THEORY OF OPERATION
The -48VDC, 24VDC and 125VDC power options are designed using diodes
inside on each DC power input line behind the two external power connection terminals,
so that the power from an external
source can only flow into the hub.
This allows the Switch to operate
only whenever DC power is
correctly applied to the two inputs.
It protects the Switch from incorrect DC input connections. An incorrect polarity
connection, for example, will neither affect the Switch, its internal power supply, nor will
it blow the fuse in the internal power supply.
A+
A-
GND
GND
CHASSIS
FUSE
+
-
SUPPLY
HUB
POWER SWITCH