LR77 v2 Libratum
5.7.2
Power connector PWR
Panel socket 2-pin.
Pin number
Signal mark
Description
1
VCC(+)
Positive pole of DC supply voltage (+9 to +36 V DC)
2
GND(-)
Negative pole of DC supply voltage
Table 10: Connection of power connector
Figure 18: Power connector
Power supply for router is required b9 V to +36 V DC supply. Protection against
reversed polarity without signaling is built into the router.
Note:
The protection against re-
versed polarity is lost if the negative pole is grounded!
The power consumption during receiving is 2.3 W. The peak power consumption during
data sending is 5.5 W. However, values of consumption can be increased, if some expansion
port is eqquipped. For correct operation it is necessary that the power source is able to supply
a peak current of 1.2 A.
Circuit example:
Figure 19: Connection of power supply
The positive pole VCC is marked by a red socket on the power.
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