GarrettCom TB14H - Manual (Page 46)

TB14 and TB14H 10Mb Media Converters Installation and User Guide
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4.2 Powering the TB14H (Direct DC) with 12V, 24V or –48V DC
Each Magnum TB14H is equipped with an internal Direct DC power supply,
and have built-in screw terminals for secure attachment of the power leads. Three models
support a range of power input types. The three model choices are for use with 12VDC,
24VDC or -48VDC power. DC power input may be chosen for high-availability.
The extended temperature capability of the DC-powered TB14H’s can go
temperature uncontrolled environments, rated at –40`C to +75`C. If indoors, the DC jack
is also present and optionally can be used with an external AC power supply.
DC Power Terminals (built-in terminal block ): “+”, “-”, floating
GND: Terminal for “earth” or ground wire connection to the TB14H chassis
Input Voltage: 8 - 15V DC (12V DC)
18 – 26V DC (24V DC)