User's Manual

ES520 Hardware Guide: Specifications
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Figure 4.2 4-pin Power Connector Pin Numbering
Table 4.2 shows the power connector pin-outs.
Only two of the four pins in the ES520 version 2 Mesh Point’s
4-pin DC power input should be connected at one time,
according to whether the Mesh Point is connecting to a 12/24V
(7-30V) or 48V power supply or battery.
The allowable input range for 48V power is 36V–60V.
Use only 18 gauge (minimum) to 16 gauge (maximum) wire
cabling with the connector.
Table 4.2. RJ-45-to-DBP Adapter Pin-Outs
pin wire
1 48V positive
2 12V positive
3 12V negative
4 48V negative