EtherWAN EX41922-T User manual

User’s Guide
EX41922-T
Hardened Unmanaged 2-port 10/100/1000BASE PoE
+ 2-port 100/1000 SFP Ethernet Switch

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The information contained in this document is subject to change without notice. EtherWAN is not liable for
any errors or omissions contained herein or for resulting damage in connection with the information
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Warranty
For details on the EtherWAN warranty replacement policy, please visit our web site at:
https://kb.etherwan.com/index.php?CategoryID=13
Products Supported by this Manual:
EX41922-T

iii
EX41922-T Hardened Unmanaged Switch
Preface
Audience
This guide is designed for the person who installs, configures, deploys, and maintains the
Ethernet network. This document assumes the reader has moderate hardware, computer, and
Internet skills.
Document Revision Level
This section provides a history of the revision changes to this document.
Revision
Document Version
Date
Description
A
Version 1
06/13/2017
Changes in this Revision
This is first version of this document.

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EX41922-T Hardened Unmanaged Switch
Contents
Preface..................................................................................................................... iii
Changes in this Revision...........................................................................................iii
Contents.................................................................................................................. iv
Introduction.............................................................................................................. 5
Unpacking the Hardware...........................................................................................5
Hardware Features....................................................................................................6
Front Panel..........................................................................................................6
Preparing the Installation Site....................................................................................7
Checking the Installation......................................................................................8
Applying DC Power .............................................................................................8
10/100/1000BASEPorts.........................................................................................9
Two 100/1000 SFP Slots.....................................................................................9
Set DIP Switches.......................................................................................................9
Relay Output Alarm.................................................................................................10
Specifications ........................................................................................................ 11
Technology..............................................................................................................11
Power......................................................................................................................11
Mechanical..............................................................................................................12
Interface..................................................................................................................12
Environment............................................................................................................12
Regulatory Approvals..............................................................................................13
Application Example.............................................................................................. 14

5
EX41922-T Hardened Unmanaged Switch
Introduction
Congratulations on your purchase of the EX41922-T Hardened Unmanaged Power over
Ethernet (PoE) Switch from EtherWAN Systems, Inc. Your switch is a state-of-the-art
IEEE-compliant network solution designed for users who require high-performance to
eliminate bottlenecks and increase productivity.
To simplify installation, the switch is shipped ready for use.
Unpacking the Hardware
Unpack the items and confirm that no items are missing or damaged. Your package
should include:
One EX41922-T Hardened Unmanaged PoE Switch
One CD containing this user’s guide
One quick start guide
If any item is damaged or missing, notify your authorized EtherWAN representative. Keep
the carton, including the original packing material, in case you need to store the product or
return it.

6
EX41922-T Hardened Unmanaged Switch
Hardware Features
Front Panel
10/100/1000BASE Ports
The switch is equipped with two 10/100/1000 Mbps RJ-45 ports. These ports can be
connected to routers, other switches, or end devices. Use category 5e or higher UTP/STP
cable.
100/1000 SPF Slots
Your switch model has two SFP slots. SFP transceivers can be installed directly into
these ports. Ensure that the same type of transceiver is used at both ends of the link and
that the correct type of fiber cable is used.
LEDs
The EX41922-T front panel LEDs show power and link/activity status. The table below
summarizes the LED indicator functions.

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EX41922-T Hardened Unmanaged Switch
Table 0-1. Front Panel LEDs
LED
Color
Status
PWR 1, 2
Green
ON = switch is receiving power.
Fault
Red
ON = Alarm state - Relay alarm action on switch contact
OFF = Non-alarm state
PoE
Amber
ON = Powered device connected
OFF = No powered device connected
10/100/1000TX Ports
Link/Activity
Green
ON = valid network connection at 10/100Mbps
Amber
ON = valid network connection at 1000Mbps
OFF = no data transmission on port.
Flashing = port is sending or receiving data.
100/1000SPF Ports
Link/Activity
Green
ON = valid network connection at 10/100Mbps
Amber
ON = valid network connection at 1000Mbps
OFF = no data transmission on port.
Flashing = port is sending or receiving data.
Preparing the Installation Site
Before you install your Hardened Unmanaged Switch, be sure your operating
environment meets the operating environment requirements in the table below.
Site Requirements
Characteristic
Requirements
DIN Rail Mounting
Insert the top of the rail clip onto the DIN rail track, and then push the
bottom of the switch until it snaps into place.
Power source
Provide a power source within 6 feet (1.8 meters) of the installation
location. Power specifications for the Hardened Unmanaged Switch
are shown in Appendix A.
Environment
Temperature
Install the Hardened Unmanaged Switch in a dry area, with ambient
temperature between -40 and 75ºC (-40 and 167ºF).
Operating humidity
The installation location should have a maximum relative humidity of
95%, non-condensing.
Ventilation
Do not restrict airflow by covering or obstructing the top and side
panels of the Hardened Unmanaged Switch. Keep at least 2 inches
(5.08 centimeters) free on all sides for cooling.

8
EX41922-T Hardened Unmanaged Switch
Checking the Installation
Before you apply power:
Inspect the equipment thoroughly.
Verify that all cables are installed correctly.
Check cable routing to make sure cables are not damaged or create a safety hazard.
Be sure all equipment is mounted properly and securely.
Applying DC Power
The switch is equipped with an 8-pin terminal block, with two power inputs having
operating voltage of 52~57VDC, and a relay output with current 0.5A @ 48VDC.
Only one power input is required to operate the switch. However, redundant power supply
functionality is supported.
When you apply power:
All green Link/Activity LEDs blink momentarily.
The green Power LED goes ON.
The Link/Activity LEDs for every port connected to a device flash, as the Hardened
Unmanaged Switch conducts a brief Power On Self-Test (POST).

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EX41922-T Hardened Unmanaged Switch
10/100/1000BASE Ports
The switch is equipped with two 10/100/1000BASE-T PoE IEEE802.3at 30 Watts each, with a
total PoE power budget of 60 Watts. These ports can be connected to routers, other
switches, or powered devices. Use category 5e or higher UTP/STP cable.
Two 100/1000 SFP Slots
Your switch model has two SFP slots. SFP transceivers can be installed directly into these
ports. Ensure that the same type of transceiver is used at both ends of the link and that the
correct type of fiber cable is used.
Set DIP Switches
The switch has a 6-position DIP switch that controls the alarm status on each port. Alarms
are sent through the relay output.
DIP Switch
Setting and Description
1
ON = Port 1 Alarm is enabled.
OFF = Port 1 Alarm disabled.
2
ON = Port 2 Alarm is enabled.
OFF = Port 2 Alarm disabled.
3
ON = Port 3 Alarm is enabled.
OFF = Port 3 Alarm disabled.
4
ON = Port 4 Alarm is enabled.
OFF = Port 4 Alarm disabled.
5
ON = Port 3 100SFP is enabled.
OFF = Port 3 100SFP disabled.
6
ON = Port 4 100SFP is enabled.
OFF = Port 4 100SFP disabled.

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EX41922-T Hardened Unmanaged Switch
Relay Output Alarm
Alarm Contact (for two power inputs: PW1, PW2). Default state is PW1 and PW2 both off,
Points 1 & 2 closed and Points 2 & 3 open.
Relay contact
PW1
PW2
Points 1 & 2
Points 2 & 3
Alarm state
Off
Off
Closed
Open
Alarm state
Off
On
Closed
Open
Alarm state
On
Off
Closed
Open
Non-Alarm
On
On
Open
Closed

11
EX41922-T Hardened Unmanaged Switch
Specifications
Technology
Specification
Description
Standards
IEEE802.3 10BASE-T
IEEE802.3u 100BASE-TX/100BASE-FX
IEEE802.3ab 1000BASE-T
IEEE802.3z 1000BASE-SX/1000BASE-LX
IEEE802.1x, Full duplex flow control
IEEE802.1az Energy Efficient Ethernet
IEEE802.3af/at Power Over Ethernet
Forward and
Filtering Rate
10 Mbps: 14,880 pps
100 Mbps: 148,810 pps
1000 Mbps: 1,488,100 pps
Packet Buffer
memory
1MB
Processing Type
Store-and-Forward
Half-duplex back-pressure and IEEE802.3x full-duplex flow control
Auto Negotiation
Auto MDI/MDIX
Jumbo Frame
10 kB
Address Table
Size
8K MAC addresses
Power
Specification
Description
Power Input:
52 ~ 57 VDC
Power
Consumption:
63.6W@52VDC, 63.8W@57VDC

12
EX41922-T Hardened Unmanaged Switch
Mechanical
Specification
Description
Casing
Aluminum
IP30
Dimensions
42 x 90 x 100mm (W x D x H)
(1.65” x 3.54” x 3.94”)
Weight
0.37Kg (0.82lbs.)
Installation
DIN-Rail
Interface
Specification
Description
Ethernet Ports
10/100/1000BASE-T: 2 ports
1000BASE SFP: 2 ports
LED Indicators
Per Unit: Power1 (Green), Power2 (Green), Fault (Red)
Per Port: Link & Activity (Green, Amber), PoE (Amber)
Environment
Specification
Description
Operating
Temperature
-40°C to 75°C (-40°F to 167°F)
Storage
Temperature
-40°C to 85°C (-40°F to 185°F)
Ambient Relative
Humidity
5% to 95% (non-condensing)

13
EX41922-T Hardened Unmanaged Switch
Regulatory Approvals
Specification
Description
ISO
Manufactured in an ISO 9001 facility
Safety
UL 61010
EMI
FCC Part 15B Class A
VCCI Class A
EN 61000-6-4
EMS
EN 61000-6-2
EN 61000-4-2 (ESD Standards)
EN 61000-4-3 (Radiated FRI Standards)
EN 61000-4-4 (Burst Standards)
EN 61000-4-5 (Surge Standards)
EN 61000-4-6 (Induced RFI Standards)
EN 61000-4-8 (Magnetic Field Standards)
Environmental
Test Compliance
IEC 60068-2-6 Fc (Vibration)
IEC 60068-2-27 Ea (Shock)
FED STD 101C Method 5007.1 (Free fall w/ package)

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EX41922-T Hardened Unmanaged Switch
Application Example

EtherWAN System, Inc.
www.etherwan.com
EtherWAN has made a good faith effort to ensure the accuracy of the information in this document and
disclaims the implied warranties of merchantability and fitness for a particular purpose, and makes no
express warranties, except as may be stated in its written agreement with and for its customers.
EtherWAN shall not be held liable to anyone for any indirect, special or consequential damages due to
omissions or errors. The information and specifications in this document are subject to change without
notice.
Copyright 2018. All Rights Reserved.
All trademarks and registered trademarks are the property of their respective owners.
EX41922-T Hardened Unmanaged Switch User Guide
January 2, 2018
Document version: Version 1
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