Nitek EL1551U - Manual (Page 8)

Network Transmission Device
Network Port RJ45 Jack
Link
Port Screw Terminal
Ethernet
Auto Configuring 10/100 Full Duplex
LED Indicators
Link Status, Power, PoE out, 10Mb or 100Mb
PoE Compliance
IEEE 802.3af & IEEE 802.3at
Max Operating Distance
1,500ft /460m
Power Draw per Device
1.5 Watts each
UTP Cable Specifications
DC Loop Resistance 51 Ohms/1000 feet (max) (51 Ohms/304 meters)
Normal Capacitance 17pF/ft.
Impedance 100 Ohms +/- 20%
UTP Category 2 or better
Rating/Listing
UL
IEC/UL 60950-1
NEMA TS-2 Temperature & Humidity NEMA 2.2.7
Mechanical Vibration NEMA 2.2.8
Mechanical Shock NEMA 2.2.9
Operating Voltage NEMA 2.1.2
Operating Frequency NEMA 2.1.3
Transient Test NEMA 2.1.6 thru 2.1.8
Operating Temperature
-40° to 75° C / -40° to 167° F
Humidity
Up to 95% non-condensing
Dimensions 1.1” x 1.6” x 4.6” including tabs
Shipping Dimensions
8” x 5” x 2”
Shipping
Weight 3 lbs
Technical Specifications
Troubleshooting
PROBLEM POSSIBLE CAUSE
No video/data
Check camera and EL1551U device connections.
Check Single Twisted Pair cable condition and connectors.
Check that the camera is powered.
Check that supplied camera power meets manufacturer’s specifications.
Check that the cable distances do not exceed PoE capabilities.
Max. total distance of 1500ft (460m).
Check that Single Twisted Pair cable does not exceed the Ethernet data
transmission operating distances of the EL1551U.
Check link & device status.
Video/data loss
Check network switch terminations & link status.
Check network routing table(s).
Confer with site Network Administrator
For Tech Support Call 1-(800)528-4343 (USA)
1-(847)259-8900 (Other)
www.nitek.net