Motorola PTP 600 Series ユーザーズマニュアル

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3.3.3 
Redundancy and Alternate Powering Configurations 
NOTE: The use of DC supplies of less than 55v will reduce the usable distance between the 
PIDU Plus and ODU see Figure 7
 
Figure 7 – PTP 600 Series Bridge PIDU Plus to ODU Cable Length Graph 
WARNING: The maximum distance from the ODU to the connected network equipment is 
100m (330 ft) when using 1000BaseT. Powering distances over 100m (330 ft) are only 
applicable when using a 1000BaseSX (Fiber Optic) connection. 
3.3.3.1 
External DC Supply Only 
For use where there is no mains supply. 
 
Figure 8 - External DC Supply Only