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DOC-1135-EN-US— revision 1.001

The LNL-200XAU Ultra PoE Powered 13.8 VDC PSU 
Enclosure

The LNL-200XAU is a Power-Over-Ethernet (PoE) powered Power Supply 
Unit (PSU) with enclosure that act as PoE splitters whilst also providing 
charge locally to a 12 VDC 7/8 Ah battery. If power from the PoE input fails 
the battery seamlessly continues to provide 12 VDC to the load at up to 3 A 
(when used with 802.3bt PoE). This offers the installer a cost-effective 
solution to provide high power with standby battery functionality to an 

OnGuard

®

 device over a single PoE Cat5 cable.

To further enhance the device, the LNL-200XAU offers battery deep 
discharge protection and also remote fault monitoring with the provision of 
volt-free fault contacts for low battery and input PoE power failure.

Provides 13.8 VDC at 3 A max when used with PoE 802.3bt 
(PoE++ 60W)

Additional 0.5 A available for battery charging

RJ45 Data pass through 

Available as an unboxed module (DIN rail or lug mountable): 
LNL-200XAU-PSU

No mains required - powered solely from PoE

Cost effective solution to providing power with battery backup to 

OnGuard

®

 devices

Boxed version accommodates industry-standard 12 VDC SLA battery; 
the enclosure only supports up to a 7/8 Ah battery

Battery Deep Discharge Protection

Volt-free Fault Outputs

Installation

This unit must be fed from a compliant PoE power source (PoE 802.3bt for 
the 3 A power output).

Mounting

1.

Mount securely utilizing the enclosure mounting points in the correct 
orientation, allowing 100 mm clearance around the enclosure.

2.

Route cables via knockouts and/or rear cable enclosure entry holes.

Enclosure Mounting

Power-up

1.

Attach correctly rated load cable to load equipment and fasten using 
cable ties. Observe polarity.

2.

Attach suitable Ethernet cable from PoE++ source to 

PoE IN

 RJ45 

connector (100 m max from PSE).

3.

Attach suitable Ethernet cable between IP device and 

DATA

 RJ45 

connector (if required).

4.

Loop battery cable through supplied ferrite (one turn) and attach to 

BATT

 terminal block, fasten with cable ties.

Note:

Ensure correct polarity of batter connections: 

+

 use 

red

 lead, 

-

 

use 

black

 lead.

Position of Ferrite

5.

Connect charged 12 V battery to the other end of battery cable.

6.

Observe Green LED is ON when PoE is present.

7.

Observe Load equipment indicates power is present.

8.

Remove 

PoE IN

 cable and observe load equipment continues to 

indicate power is present.

9.

Reconnect PoE INPUT cable.

Signaling

1.

Connect fault outputs to appropriate input of Control and Indicating 
Equipment (CIE), if required.

2.

Close the cover and secure it using the key (provided).

3.

In the event of loss of PoE input power to the LNL-200XAU, the PoE 
Fault signal contact opens and the Green LED turns off, the 
LNL-200XAU continues to deliver up to 13.8 VDC, 3 A of power to 
the load until the standby battery has reached its deep discharge limit.

4.

If the load output of the LNL-200XAU fails, investigate the cause of 
the failure (e.g. short circuit load, connection of a deeply discharged 
battery). Rectify the fault before restoring power to the 
LNL-200XAU. If any of the fuses require replacing, ensure the correct 
fuse rating and type is used.

Note:

Battery charging only starts after a compliant PoE power source 
is connected to the LNL-200XAU. It will NOT start up on 
battery. Ensure only a 12 VDC battery is fitted to the system.

LNL-200XAU Ultra PoE Powered 13.8 VDC PSU Enclosure

Quick Reference

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