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C2681M (2/08) 13
POWER AND NETWORK WIRING
The EW5001 supports two methods for supplying power and network access to the unit: separate power and network cables or a single network
cable using Power-over-Ethernet (PoE) technology. The following sections describe both methods.
SEPARATE POWER AND NETWORK CABLES
Figure 6 shows how to connect separate power and network cables to the EW5001.
Figure 6. Sample Installation for Separate Power and Network Cables
Low-Voltage Power
The EW5001 can be powered by either a 12 VDC or a 24 VAC power supply. It automatically senses power type and polarity (DC). The unit can
be powered from any environmentally-rated Class 2 power unit that supplies 12 VDC ±10% or 24 VAC ±10%. Unit power consumption is
9.7 W (16.2 VA).
Be sure to supply adequate power to the site for the EW5001 as well as any additional equipment. Use Table B to help identify the necessary
wire gauge and maximum cable distance. This table applies to 2-conductor solid copper wire. (reduce distance by 10 percent for stranded copper
wire.) These maximum distances are based on a maximum allowable voltage drop of 10 percent.
The EW5001 includes a 10-foot (3 m) cable with an environmentally-rated plug for connecting power to the unit.
Table B. Recommended Wire Gauge and Maximum Wiring Distances
Wire Gauge
Maximum Distance
12 VDC 24 VAC
20 AWG (0.5 mm
2
) 101 ft (30 m) 407 ft (124 m)
18 AWG (1.0 mm
2
) 161 ft (49 m) 647 ft (197 m)
16 AWG (1.5 mm
2
) 257 ft (78 m) 1,028 ft (313 m)
14 AWG (2.5 mm
2
) 408 ft (124 m) 1,632 ft (497 m)
12 AWG (4.0 mm
2
) 647 ft (197 m) 2,591 ft (789 m)
10 AWG (6.0 mm
2
) 1,028 ft (313 m) 4,114 ft (1,253 m)
MODEL
FREQ
50/60HZ
Sample Text
AMPS
VOLTS
Sample Text
REV
Sample Text
MFG BY PELCO, CLOVIS, CA
Model
SN
MADE IN USA
NETWORK
POWER
(FROM SOURCE)
POWER CABLE
(SUPPLIED)
WEATHERPROOF
NETWORK CABLE
(NOT SUPPLIED)
WEATHERPROOF
NETWORK CONNECTOR
(SUPPLIED)