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Read all Safety Instructions. 

Keep the Instructions for future reference. 

Be sure to HEED all Warnings. 

Follow ALL instructions. 

DO NOT use this device or any of the equipment described, near water. 

Clean this device ONLY with a dry cloth. 

DO NOT block any ventilation openings. 

Install in accordance with the manufacturer’s instructions. 

DO NOT install near any heat sources such as radiators, heat registers, stoves or other apparatus (including 
amplifiers) that produce heat. 
 
DO NOT defeat the safety purposes of  polarized or grounding type plugs. A polarized plug has two blades, with 
one blade wider than the other. A grounding plug has two blades and has a third grounding prong. The wide 
blade and the grounding prong are provided for your safety. If the provided plug does not fit into your outlet, 
consult an electrician for replacement of the obsolete outlet. 
 

DO NOT connect the unit to an electrical supply if the wiring or over current protection of the supply could be 
overloaded when the ratings listed on the unit are considered.

 

 
Protect the power cord from being walked on or pinched especially at plugs, convenience receptacles and other 
points where they exit from the device. 
 
Only use attachments and/or accessories specified by the manufacturer. 

Refer all servicing to qualified service personnel. Servicing is required when the device has been damaged in any 
way, such as the power supply cord or plug is damaged, liquid has been spilled on, or objects have fallen into the 
device, the device has been exposed to rain or moisture, does not operate normally or has been dropped. 
 

WARNING: 

To reduce risk of fire or electric shock, do not expose this apparatus to rain or moisture. 

 
Installation shall be performed ONLY by qualified personnel and must conform to all local codes. 
 
Unless the device is specifically marked as a NEMA 3, 3R, 3S, 4, 4X, 6 or 6P enclosure, it is designed for indoor 
use ONLY and it must not be installed where exposed to rain or moisture. 

 

Important Safety Instructions 

Summary of Contents for ER8400U

Page 1: ...ransmission to be extended to 600 meters or 2000 feet The ER8400U is a fully functional PoE network Layer 2 switch with IEEE802 3AT power output on each of the 8 net work ports and a full Gigabit LAN jack It allows you to mix standard Ethernet devices for distances of up to 100 meters and with EtherStretch devices that can extend cable runs to 600 meters The longer 600m 2000ft require the use of t...

Page 2: ...rical supply if the wiring or over current protection of the supply could be overloaded when the ratings listed on the unit are considered Protect the power cord from being walked on or pinched especially at plugs convenience receptacles and other points where they exit from the device Only use attachments and or accessories specified by the manufacturer Refer all servicing to qualified service pe...

Page 3: ... ER8400 will supporting 15 4W 802 3af to 25 5W 802 3at powering schemes at a maximum distance of 2000ft or 600m Refer the PoE distance chart for specific power capabilities Before installing this solu tion be sure that the cable involved does not exceed the recommended maximum lengths If the cable length is in determinist at the time of installation we recommend the use of a time domain reflectome...

Page 4: ... the IP camera may be directly connected to the ER8400U The ER8400U powers all attached devices within this system The Ethernet data from the camera is transmitted over each individual UTP cable through the ET1500U to the wall mounted ER8400U in either the IDF or MDF The aggregate Ethernet data is transmitted to the LAN port via a built in Layer 2 switch of the ER8400U The Gigabit LAN port to ensu...

Page 5: ...ables The network ports are 10 100Mb speed and will run at the highest possible speed given the wire conditions The ER8400U can work as a standard network switch for Ethernet devices up to 100 meters For longer runs of up to 600 meters it can be combined with the ET1500U Transmitter This system normally operates at 100Mb over 600 meters of 4 pair cable but can adjust for varying wire conditions We...

Page 6: ...can communicate at up to 1Gbps The LAN port will automatically sense the connection speed of the net work switch NVR or server The LAN port is NOT POE capable only the network ports can provide power to con nected devices The LAN port of the ER8400 will gather data from the network ports and combine it into the higher speed LAN port The data speed and POE status for all connected ports is indicate...

Page 7: ...n Ethernet device does not need to be connected for the transmitter to communicate with the head end Finally connect an Ethernet device to the transmitters Network Port If the device requires PoE power the POE OUT green LED on the Link Port will turn on followed by the LINK STATUS LED on the Network Port The IP camera or other Ethernet device should now be ready to operate Continue installing the ...

Page 8: ...ess then 1 second and then is off for 3 or 4 seconds when the PoE device is connected but it turns ON and operates normally without a PoE device connected this would indicate you are having a current limit problem You should first check the power requirements of the PoE device Also check the length of the Link cable from head end to transmitter The POE POWER CHART on the previous page will indicat...

Page 9: ... 500 Meters 1 640 Feet 400 Meters 1 300 Feet 300 Meters 1 000 Feet 200 Meters 650 Feet 100 Meters 328 Feet 27 4 Watts 27 4 Watts 25 0 Watts 20 0 Watts 18 0 Watts Watts 14 1 600 Meters 1 960 Feet 14 1 Watts 568B Pinout Termination 12345678 568B 1 WHT ORG 2 ORG WHT 3 WHT GRN 4 BLU WHT 5 WHT BLU 6 GRN WHT 7 WHT BRN 8 BRN WHT PIN COLOR 2 1 4 3 ...

Page 10: ...Unit Dimensions 10 6 10 6 4 0 ...

Page 11: ...atts Max PoE Capabilities Compliant w IEEE 802 3af IEEE 802 3at standards per BNC connector PROBLEM POSSIBLE CAUSE No video data Check camera and ER8400 ET1500 device connections Check UTP cable condition and RJ45 connector terminations Check that the camera is powered Check that supplied camera power meets manufacturer s specifications Check cable that cable distances do not exceed PoE capabiliti...

Page 12: ...ut charge for parts and labor or will provide a replacement in exchange for the defective product In order to obtain service under this warranty the customer must notify NITEK of the defect and shall be responsible for packaging and shipping the defective product to the service location des ignated by NITEK with shipping charges prepaid NITEK shall pay for the return of the product to the purchase...

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