Black Box LBH100A Manual De Usuario

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BLACK BOX
®
      Media Converter Switches              Installation and User Guide 
 
41 
 
 12VDC   
 
     24VDC 
 
 
-48VDC 
 
 
 
 
The Direct DC (Internal) 12V DC (8 – 15V DC) has a built-in terminal block for 
+, -, ground. The 9V DC jack is also present. Detail information about the 12 VDC, the 
24V DC and the –48V DC is provided in the Technical Specifications Section 1.1.  
 
 
The various models of DC power type and extended ambient temperature 
power supplies are numerous and your choice needs to be called out on your 
order. 
   
Note: 
When connected to a - 48 V centralized dc source, these products are to be installed 
only in Restricted Access Areas (dedicated equipment rooms, electrical closets or the like).