Nitek ET4500C - Manual (Page 3)

Parts of the ET4500C
Installation Considerations
Wire and Cable Recommendations: The ET4500C is designed for use with RG59U 75 Ohm copper
based 18AWG (American Wire Gauge) coaxial cable. The quality of which must be consistent with any
reasonably serviceable cable condition. That is free from damage as in cuts, breaks, or cracks to the
outer covering and insulated shielding which may compromise the signal conductivity of the cable.
For more specific information regarding wire types, gauges, and proper installation techniques please
call Tech Support at (800)528-4343.
Ethernet & PoE: The ET4500C is designed to transmit and receive up to 100Mbps of Ethernet TCP/IP
data and PoE from 15.4W (802.3af) to 25.5W (802.3at) at a maximum distance of 1,640ft / 500m. Be-
fore considering this solution be sure that the cables involved do not exceed the recommended maxi-
mum lengths. If the cable distance value is undetermined at the time of installation, we recommend the
use of a Time Domain Reflectometer (TDR) which through the use of short rise time pulses can meas-
ure impedance characteristics, splices, and unknown cable distance estimates.
Power Supply Recommendations: The ET4500C is designed to be powered from either an
ET1500C, ER8500C or a ER16500C receiver unit. The ET4500C must be externally powered in order
to provide PoE power through the four IP Ports. The minimum input power required for four port PoE
operation is 48Vdc @ 1Amp (48 Watts), the voltage range of the unit is 48Vdc to 56Vdc. If all four IP
Ports are required to provide PoE+, the minimum input power required is 48Vdc @ 2.6Amps (125
Watts).
Link Side of Device Network Side of Device
BNC Connector
 Attaches to exist-
ing RG59U coaxial
cable
Optional Power Input
 Class 48-56Vdc input to
create PoE in installations
where a PoE switch is not
available.
10/100 Link LED Indicator
 On Solid = 100Mb
 Flashing = 10Mb
 Off = No Link
Power LED Indicator
 On = The unit is powered and ready to use
 Off = The unit is not receiving power
PoE OUT LED Indicator
 On = PoE is being sent over cable
 Off = PoE is not being sent over cable
Link Status LED Indicator
 On Solid = Ethernet Link
 Off = No Ethernet Link