
 
  Copyright 2022 EtherWAN Systems, Inc.   Page 1
  All Rights Reserved 
EX41941 
8/2/2022 
 
 
EX41941 Hardened PoE Switch  
1  Unpacking 
Unpack the items. Your package should 
include: 
  One EX41941 PoE switch 
  Power input terminal block 
  Wall and DIN-Rail mounting hardware 
brackets 
If items are missing or damaged, notify your 
EtherWAN representative. Keep the carton 
and packing material. 
More information available at:  
https://www.etherwan.com/us   
For warranty information, visit: 
https://www.etherwan.com/us/support/war
ranty-policy 
 
2  Equipment Needed 
  Category 5e or better cable for RJ-45 
ports 
  48VDC power supply with voltage 
adjustable up to 56VDC and power output 
to handle 120W PoE power budget. 
 
3  Select a Location 
  DIN-rail installations: Attach the bracket 
on the unit using the included screws and 
then mount on a DIN-rail. 
  Wall installations: Attach the brackets on 
the unit using the included screws and 
then mount on a wall.  
  Identify a power source within 6 feet (1.8 
meters). 
  Choose a dry area with ambient 
temperature between -40 and 75ºC (-40 
and 167ºF). 
  Keep away from heat sources, sunlight, 
warm air exhausts, hot-air vents, and 
heaters. 
  Make sure there is adequate airflow. 
 
4  Connect to the Ports 
The EX41941 has the following ports: 
  4 10/100/1000 Mbps PoE ports 
  1 10/100/1000 Mbps RJ-45 uplink port 
10/100/1000BASE-T Ports 
Ports 1 to 4 are gigabit copper ports that are 
compliant with IEEE 802.3af/at PoE protocol, 
with up to 30W power output per port. Port 5 
is a gigabit copper port that can be utilized 
for data uplink. 
 
5  Connect Power 
Terminal Block 
Connect the unit to a suitable power supply 
using appropriate wire, 18-24 AWG, rated for 
105°C or higher. 
Redundant power is supported. However, 
only one power input is required to operate 
the unit.  
1.  Connect power wires to the 
appropriate V1+/- or V2+/- pins on 
the terminal block. 
2.  Connect the grounding wire to the 
ground screw. 
3.  Plug the terminal block into the 
socket. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
+V1- +V2-