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CHAPTER 3: CONNECTIONS
3.1 PSE/PD TO 2-PORT POE EXTENDER
This PoE extender provides automatic crossover detection functionality. Via a twisted pair cable pinned straight-through, this PoE
extender can be connected to another PSE/PD.
PoE switch
PoE switch
PoE Extender
(LPR1111)
PoE Extender
(LPR1111)
PoE Extender
(LPR1111)
PoE Extender
(LPR1111)
PoE Extender
(LPR1111)
PoE Extender
(LPR1111)
PoE Extender
(LPR1111)
Wireless AP
IP Camera
328 ft. (100 m)
328 ft. (100 m)
328 ft. (100 m)
328 ft. (100 m)
328 ft. (100 m)
328 ft. (100 m)
328 ft. (100 m)
328 ft. (100 m)
328 ft. (100 m)
IP Camera
FIGURE 3-1. POE EXTENSION
3.2 POWER AND EXTEND DISTANCE
Power is supplied through CAT5e/6 cable from another PSE and extends the distance to another 328 feet (100 meters) through
this device. See the table below for your reference.
TABLE 1-2. POE POWER AVAILABLE WITH MULTIPLE LPR1111 UNITS
POE SOURCE
NUMBER OF
LPR1111 UNITS
DISTANCE (FT./M)
PD CURRENT (A)
PD VOLTAGE (V)
PD MAX. POWER (W)
802.3at POE Switch
1
328 (200)
0.58
42.4
24.592
2
658 (300)
0.53
38
17.9
3
1,312 (400)
0.48
33.7
16.176
4
1,640 (500)
0.4
31.4
12.56
5
1,968 (600)
0.28
30.8
8.624
NOTE: All the values listed here are the maximum values from tests based on a PoE switch with 56 V output performed in an ideal
lab environment. The actual value may be different due to network environments and the quality of your cable.
