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• You can use a RJ45 coupler or switch (not included) to connect male 

ends of Ethernet cable together.

• To extend the cable run beyond 300ft (92m), a switch will be required 

(sold separately).

Resources

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Copyright © 2020 Lorex Corporation 

As our products are subject to continuous improvement, Lorex reserves the 

right to modify product design, specifications and prices, without notice and 

without incurring any obligation. E&OE. All rights reserved.

E841CD_QSG_EN_R1

4K HD IP Dome Security Camera

•  4K HD IP Dome Security Camera

•  Mounting Kit*

•  Mounting Template*

•  Ethernet Extension Cable with Pre-attached RJ45 Cable Gland*

• Read this guide carefully and keep it for future reference.

• Follow all instructions for safe use of the product and handle with care.

• Use the camera within given temperature, humidity and voltage levels 

noted in the camera’s specifications.

• Do not disassemble the camera.

• Do not point the camera directly towards the sun or a source of intense 

light.

• Use only the supplied regulated power supply provided with the product. 

Use of a non-regulated, non-conforming power supply can damage the 

product and void the warranty.

• Periodic cleaning may be required. Use a damp cloth only. Do not use any 

harsh, chemical-based cleaners.

• The supplied cable is rated for surface mounting only. Cables for in-wall  

and floor-to-floor installations are sold separately (CMR type). These and 

other cables are available at 

lorex.com

.

* Per camera in multi-camera packs.

Quick Start Guide

English Version 1.0

E841CD SERIES 

Package Contents

ATTENTION: 

It is recommended to connect the camera to the NVR or an external PoE switch. If 

using a DC power adapter (not included) with the camera, a REGULATED power supply 

is REQUIRED for use with this camera. Use of a non-regulated, non-conforming power 

supply can damage this product and voids the warranty.

Safety Precautions

Dimensions

lorex.com

Extend the cable run for your camera. Additional extension cables sold 

separately. See table below:

Cable Extension Options

Cable Type

Max Cable Run 

Distance

Max # of 

Extensions

CAT5e (or higher) Ethernet cable

300ft (92m)

3

3.3” / 

83mm

3.3” / 83mm

4” / 

101mm

Ethernet 

Extension 

Cable

RJ45 Cable Gland

Using the RJ45 Cable Gland

 

(Optional)

The RJ45 cable gland is  

pre-attached to the included 

Ethernet extension cable.

The RJ45 cable gland covers the camera’s Ethernet connector and the 

RJ45 plug to provide weather-resistance and protection from dust, dirt and 

other environmental contaminants.

To use the RJ45 cable gland:

RJ45 Cable 

Gland Barrel

Camera Ethernet 

Connector

NOTE

:

 

The RJ45 cable gland is weather-resistant. Seal the cap with 

silicone and/or electrical tape for additional sealing if it will be exposed to 

precipitation regularly.

Twist the RJ45 cable gland barrel securely onto the camera Ethernet 

connector. 

• For a full list of compatible recorders, visit 

lorex.com/compatibility

.

• Not intended for submersion in water. Installation in a sheltered location 

recommended.

• This camera includes an Auto Mechanical IR Cut Filter. When the camera 

changes between Day/Night viewing modes, an audible clicking noise 

may be heard from the camera. This clicking is normal, and indicates that 

the camera filter is working.

Disclaimers

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