Motorola Solutions
EX-3524/EX-3548
Layer 2 Gigabit Ethernet PoE/PoE+ Switch
Installation Guide
2 EX-3524/EX-3548 Layer 2 Gigabit Ethernet PoE/PoE+ Switch
MOTOROLA SOLUTIONS and the Stylized M Logo are registered in the US Patent & Trademark Office. © Motorola Solutions,
Inc. 2014. All rights reserved.
Installation Guide 3
1.0 Introduction ......................................................5
1.1 Unpacking ......................................................5
1.2 Document Conventions ............................................5
1.3 Warnings .......................................................6
1.4 Site Preparation ..................................................7
1.5 Selecting a Site ..................................................7
2.0 Specifications ....................................................8
2.1 Physical Specifications ............................................ 8
2.2 Environmental Specifications ....................................... 8
2.3 Electrical Specifications ........................................... 8
2.4 Power Cord Specifications .......................................... 9
2.4.1 Power Protection ............................................. 9
2.5 Switch Description ................................................ 9
2.5.1 Port LEDs .................................................. 10
2.5.2 10/100/1000BASE-T RJ-45 Ports................................ 10
2.5.3 Gigabit SFP Slots ............................................ 10
2.5.4 Mode Button ............................................... 10
2.5.5 Console Port ............................................... 10
2.5.6 System LEDs ............................................... 10
2.5.7 Reset Button ............................................... 10
2.5.8 Ground Point ............................................... 10
2.5.6 AC Power Socket ............................................ 11
2.6 LED Codes ..................................................... 12
2.6.1 System Status LEDs ......................................... 12
2.6.2 Port Status LED ............................................. 13
3.0 Hardware Setup .................................................. 14
3.1 Rack Mount Installation ........................................... 14
3.2 Shelf or Desktop Installation ....................................... 17
3.3 Power and Grounding ............................................ 18
4 EX-3524/EX-3548 Layer 2 Gigabit Ethernet PoE/PoE+ Switch
3.4 Port Connections ................................................ 19
3.4.1 Installing SFP Transceivers .................................... 19
3.4.2 Connecting Twisted-Pair Cables ................................ 20
3.4.3 Cable Requirements .......................................... 21
3.4.4 Power-over-Ethernet ......................................... 21
3.4.5 Connecting to SFP Ports ...................................... 22
4.0 Switch Management .............................................. 24
4.1 Connecting to the Console Port ..................................... 24
4.2 Resetting the Switch ............................................. 25
5.0 Regulatory Information ............................................ 26
5.1 Radio Frequency Interference Requirements - FCC ...................... 26
5.2 Radio Frequency Interference Requirements - Canada ................... 26
5.3 CE Marking and European Economic Area (EEA) ........................ 27
5.4 Statement of Compliance ......................................... 27
5.5 PSE Alarm ..................................................... 27
5.6 Power Cord Safety ............................................... 28
5.7 Waste Electrical and Electronic Equipment (WEEE) ..................... 31
5.7.1 Turkish WEEE Statement of Compliance .......................... 32
6.0 Motorola Solutions Support Center ................................. 33
Installation Guide 5
1 Introduction
The Motorola Solutions EX-3524 and EX-3548 are Gigabit Ethernet Layer 2 switches with either 24 or 48
10/100/1000-BASE-T ports, and four Small Form Factor Pluggable (SFP) transceiver slots for fiber connectivity. The
switches are built with leading-edge technology to deliver reliable high-performance connectivity for your data
network.
All of the 10/100/1000 Mbps ports on the switches support both the IEEE 802.3af and IEEE 802.3at-2009 PoE
standards.
Each switch also includes an SNMP-based management agent, which provides both in-band and out-of-band
access for managing the switch.
This document is written for the professional installer deploying EX-3524 and EX-3548 switches.
1.1 Unpacking
Verify that you have the equipment listed below:
• EX-3524 or EX-3548 switch
• Rack Mounting Kit containing two brackets and eight screws for attaching the brackets to the switch
• Console cable— RJ-45 to DB-9
• Four adhesive foot pads
• EX-3524/EX-3548 Layer 2 Gigabit Ethernet Switches Installation Guide (this document)
Inspect the equipment for damage. If you are missing any equipment or if you find any damaged equipment,
contact Motorola Solutions Support immediately. Contact information is available at
https://portal.motorolasolutions.com/Support/US-EN.
1.2 Document Conventions
The following graphical alerts are used in this document to indicate notable situations:
NOTE Tips, hints, or special requirements that you should take note of.
CAUTION Care is required. Disregarding a caution can result in data loss or equipment
malfunction.
6 EX-3524/EX-3548 Layer 2 Gigabit Ethernet PoE/PoE+ Switch
Translations of this manual, including all appropriate warnings and cautions, can be found at
https://portal.motorolasolutions.com/Support/US-EN/Wireless+Networks.
1.3 Warnings
• Read all installation instructions and site survey reports, and verify correct equipment installation before
connecting the system to its power source.
• Remove jewelry and watches before installing this equipment.
• Install the equipment in a rack with adequate dimensions and weight allowances.
• Verify any device connected to this unit is properly wired and grounded.
• Connect all power cords to a properly wired and grounded electrical circuit.
• Verify the electrical circuits have appropriate overload protection.
• There is a risk of explosion if the battery supplied with this product is replaced with an incorrect type of
battery. Dispose of used batteries according to the instructions.
• Motorola strongly recommends the use of an Uninterruptible Power Supply (UPS) that supports the
EX-3524/EX-3548 switch power rating. Not using a UPS can result in data loss or equipment damage due
to a power surge or power failure.
• Verify that the power connector and socket are accessible at all times during the operation of the
equipment.
• Do not work with power circuits in dimly lit spaces.
• Do not install this equipment or work with its power circuits during thunderstorms or other weather
conditions that could cause a power surge.
• Verify there is adequate ventilation around the device, and ambient temperatures meet equipment
operation specifications.
• This product is designed for in building installation only and is not intended to be connected to exposed
(outside plant) networks.
• This product uses lasers to transmit signals over fiber optic cable. The lasers are compliant with the
requirements of a Class 1 Laser Product and are inherently eye safe in normal operation. However, you
should never look directly at a transmit port when it is powered on.
• When selecting a fiber SFP device, considering safety, please make sure that it can function at a
temperature that is not less than the recommended maximum operational temperature of the product. You
must also use an approved Laser Class 1 SFP transceiver.
• Use only twisted-pair cables that conform to FCC standards with RJ-45 connectors.
WARNING! Indicates a condition or procedure that could result in personal injury or equipment
damage.
Installation Guide 7
1.4 Site Preparation
• Consult your site survey and network analysis reports to determine specific equipment placement, port
capacity, power drops, and so on.
• Assign installation responsibility to the appropriate personnel.
• Identify where all installed components are located.
• Verify appropriate rack mounting requirements, as required.
• Provide a sufficient number of power drops for your equipment.
• Ensure adequate, dust-free ventilation to all installed equipment.
• Identify and prepare Ethernet and console port connections.
• Verify that cable lengths are within the maximum allowable distances for optimal signal transmission.
• Verify that the device is powered through an Uninterruptible Power Supply (UPS).
1.5 Selecting a Site
Switch units can be mounted in a standard 19 inch equipment rack or on a flat surface. Be sure to follow the
guidelines listed below when choosing a site:
• Locate the switch unit at the center of all devices you want to link and near a power outlet.
• Maintain a temperature range within 0
° to 50° C/32° to 122° F and humidity range within 10% to 90%
non-condensing.
• Provide adequate space (approximately 2 inches) on all sides for proper air flow.
• Confirm access for installing, cabling, and maintaining all devices.
• Install the switch unit so that status LEDs are clearly visible.
• Use only twisted-pair cables with RJ-45 connectors that conform to FCC standards.
• Ensure that twisted-pair cables are always routed away from power lines, fluorescent lighting fixtures,
and other sources of electrical interference, such as radios and transmitters.
• Ensure that the unit is connected to a separate grounded power outlet that provides 100 to 240VAC and
50 to 60Hz power levels.
• Ensure that the unit is within 6.6 ft / 2m of each device that is powered from an independent circuit
breaker.
• Use of a filter or circuit breaker is recommended.
8 EX-3524/EX-3548 Layer 2 Gigabit Ethernet PoE/PoE+ Switch
2 Specifications
2.1 Physical Specifications
2.2 Environmental Specifications
2.3 Electrical Specifications
Form factor 1U rack mount
Dimensions
(WxDxH)
EX-3524: 44.0 x 28.0 x 4.4 cm (17.32 x 11.00 x 1.73 in)
EX-3548: 44.0 x 40.9 x 4.4 cm (17.32 x 16.10 x 1.73 in)
Weight
EX-3524: 3.6 kg (7.83 lb)
EX-3548: 6.6 Kg (14.55 lb)
Operating temperature 0° C to 50° C (32° F to 122° F)
Operating humidity 10% to 90% (non-condensing)
Operating altitude
EX-3524: 4004 m (13,136 ft)
EX-3548:2000 m (6, 561 ft)
Storage temperature -40° C to 70° C (-40° F to 158° F)
Storage humidity 10% to 90% (non-condensing)
Storage altitude 4572 m (15,000 ft)
AC input voltage
EX-3524: AC 100-240 V, 50-60 Hz, 6 A
EX-3548: AC 100-240 V, 50-60 Hz, 12 A
PoE power output
EX-3524: Up to 370 W
EX-3548: Up to 740 W
Installation Guide 9
2.4 Power Cord Specifications
A power cord is not supplied with the EX-3524/EX3548 switch. Use only a correctly rated power cord certified (as
appropriate) for the country of operation.
2.4.1 Power Protection
• If possible, use a circuit dedicated to data processing equipment. Commercial electrical
contractors are familiar with wiring for data processing equipment and can help with the load balancing
of these circuits.
• Install surge protection. Be sure to use a surge protection device between the electricity source and
the EX-3524/EX-3548 switch.
• Install an Uninterruptible Power Supply (UPS). A UPS provides continuous power during a power
outage. Some UPS devices have integral surge protection. UPS equipment requires periodic maintenance
to ensure reliability. A UPS of the proper capacity for the data processing equipment must be purchased.
2.5 Switch Description
The EX-3524 (top) and EX-3548 (bottom) are shown in the drawings below. The switches consist of several key
hardware components. This manual describes each specific component, or related components, together with
their installation requirements and procedures.
10 EX-3524/EX-3548 Layer 2 Gigabit Ethernet PoE/PoE+ Switch
2.5.1 Port LEDs
For information on port status LED indicators, see Port Status LEDs on page 13.
2.5.2 10/100/1000BASE-T RJ-45 Ports
The switch contains 24 10/100/1000BASE-T RJ-45 ports that support 10/100/1000BASE-T copper links to other
devices. For more information, see Connecting Twisted-Pair Cables on page 20.
2.5.3 Gigabit SFP Slots
The switch contains four Small Form Factor Pluggable (SFP) transceiver slots that operate up to Gigabit full duplex.
For more information, see Connecting to SFP Ports on page 22.
2.5.4 Mode Button
Pressing the Mode button on the front panel will change the Diag LED to display PoE status. For more information,
see LED Codes on page 12.
2.5.5 Console Port
The RJ-45 connector on the front panel far right side that is labeled “Console” provides an out-of-band serial
connection to a terminal or a PC running terminal emulation software. The port can be used for performing switch
monitoring and configuration. For more information, see Connecting to the Console Port on page 24.
2.5.6 System LEDs
For information on system status LED indicators, see LED Codes on page 12.
2.5.7 Reset Button
Pressing the reset button on the rear panel causes the switch to execute a hard reset. For more information, see
Resetting the Switch on page 26.
2.5.8 Ground Point
The switch should be connected to ground using this screw connection. For more information on how to connect
ground to the switch, see Power and Grounding on page 18.
Installation Guide 11
2.5.9 AC Power Socket
The switch requires a 100-240 VAC, 50-60 Hz AC power source. For more information on the switch power input,
how to connect it, and how to power-on the switch, see Power and Grounding on page 18.
12 EX-3524/EX-3548 Layer 2 Gigabit Ethernet PoE/PoE+ Switch
2.6 LED Codes
2.6.1 System Status LEDs
The diagnostic and power LEDs located on the front panel are shown below and described in the following table:
LED Condition Status
DIAG
Green Solid
Amber Solid
Blinking Amber
Blinking Amber and Green
System diagnostic test completed successfully
System diagnostic test in progress or PoE button pressed
System fault detected
System booting up
PWR
Green Solid
Off
Internal power operating normally.
No AC power is connected or the internal power supply
has failed.
Installation Guide 13
2.6.2 Port Status LEDs
The switch includes LEDs for each port to indicate link status and network activity. The port LEDs are shown below
and described in the following table:
LED Condition Status
1000BASET RJ-45 Ports (1 - 24 or1-48)
Link/Activity On/Blinking Amber
On/Blinking Green
Off
Port has a valid 10/100 Mbps link. Blinking indicates
traffic on the port.
Port has a valid 1000 Mbps link. Blinking indicates traffic
on the port.
The link is down.
PoE Status
a
a. Mode button is pressed
On Amber
Off
A PoE device is connected.
No PoE device is connected.
Gigabit SFP Ports (25-28 or 49-52)
Link/Activity On/Blinking Green
Off
Port has a valid 1000 Mbps link (high speed). Blinking
indicates traffic on the port.
The link is down.
14 EX-3524/EX-3548 Layer 2 Gigabit Ethernet PoE/PoE+ Switch
3 Hardware Installation
The switch is designed to be installed in either a standard 19-inch equipment rack or simply placed on a suitable
desktop or shelf surface. If you will mount your switch in a rack then plan your rack installation and install the
switch chassis in the rack. Be sure to take into account switch cooling requirements.
Observe the following guidelines when selecting a location for switch installation:
• Maintain a temperature of 0
° to 50° C (32° to 122° F) and non-condensing humidity within 10% to 95%.
• Provide space for adequate airflow.
• Status LEDs should be clearly visible.
• Ensure that twisted-pair cables are always routed away from the power lines, fluorescent lighting fixtures
and other sources of electrical interference.
3.1 Rack Mount Installation
To install the switch in a rack:
1. Attach the brackets to the switch using the screws provided in the Bracket Mounting Kit.
Installation Guide 15
2. Use the supplied rack mounting screws to secure the switch in the rack.
3. Connect an external AC power source to the AC power socket.
16 EX-3524/EX-3548 Layer 2 Gigabit Ethernet PoE/PoE+ Switch
4. Verify basic switch operation by observing the system LEDs. For normal operation, both the DIAG and PWR
LEDs should be solid green.
5. Install the SFP transceivers and connect the cables to the port interfaces.
• For RJ-45 ports, use 100-ohm category 3 or better Ethernet cable for 10BASE-T connections, use 100-ohm
category 5 or better Ethernet cable for 100BASE-TX and 1000BASE-T connections.
• Install SFP transceivers and then connect fiber optic cabling to the transceiver ports.
• Status LEDs should be clearly visible.
• Ensure that twisted-pair cables are always routed away from the power lines, fluorescent lighting fixtures
and other sources of electrical interference.
To make basic configuration changes before connecting the switch to the network, see Switch Management on
page 24.
Installation Guide 17
3.2 Shelf or Desktop Installation
The switch can be installed on any flat surface such as a desktop or shelf. To mount the switch on a flat surface:
1. Attach the four adhesive feet to the bottom of the switch.
2. Set the device on a flat surface near an AC power source, making sure there are at least two inches of
space on all sides for proper airflow.
3. If installing multiple switches, attach four adhesive feet to each switch. Place each device squarely on top
of the one below, in any order.
18 EX-3524/EX-3548 Layer 2 Gigabit Ethernet PoE/PoE+ Switch
3.3 Power and Grounding
The switches require power from an external AC power supply that can provide 100 to 240 VAC, 50-60 Hz. A
standard AC power socket is located on the rear panel EX-3524 (left) and EX-3548 (right) of the each switch.
The rear panel of the switch chassis includes a single hole grounding terminal. It must be connected to ground to
ensure proper operation and to meet electromagnetic interference (EMI) and safety requirements.
To ground the switch chassis:
1. Ensure that the rack on which the switch is to be mounted is properly grounded and in compliance with
ETSI ETS 300 253.
2. Ensure that there is a good electrical connection to the grounding point on the rack (no paint or isolating
surface treatment).
3. Disconnect all power cables to the switch.
4. The switch chassis is connected internally to 0 V. This circuit is connected to the single-hole grounding
terminal on the rear panel of the switch. The surface area around this terminal is not painted in order to
provide for a good connection.
5. Attacha6AWGstranded copper wire to the grounding terminal on the switch.
6. Attach the grounding wire to the ground point on the rack
.
CAUTION The earth connection should not be removed unless all power supply connections
have been disconnected.
Installation Guide 19
3.4 Port Connections
3.4.1 Installing SFP Transceivers
The switch provides slots for optional (not provided) SFP transceivers. The supported transceiver types are listed
below:
• 1000BASE-SX
• 1000BASE-LX
• 1000BASE-LH
• 1000BASE-FX
• 1000BASE-T
To install a SFP transceiver:
1. Consider network and cabling requirements to select an appropriate transceiver type that is also
compatible with the switch transceiver support.
2. If the SFP slot is covered with a rubber protective cap, remove the cap and keep it for later replacement.
3. Insert the transceiver with the optical connector facing outward and the slot connector facing down. Note
that SFP transceivers are keyed so they can only be installed in the correct orientation.
NOTE SPF transceivers are hot-swappable. The switch does not need to be powered off
before installing or removing the transceiver.
20 EX-3524/EX-3548 Layer 2 Gigabit Ethernet PoE/PoE+ Switch
4. Slide the transceiver into the slot until it clicks into place. If you do not immediately connect a cable to the
port, use a rubber protective cap to keep the transceiver optics clean.
3.4.2 Connecting Twisted-Pair Cables
The RJ-45 ports on the switch support automatic MDI/MDI-X pinout configuration, which enables you to use
standard straight-through twisted-pair cables to connect to any other network device (PCs, servers, switches,
routers, or hubs).
The connection requires an unshielded twisted-pair (UTP) or shielded twisted-pair (STP) cable with RJ-45
connectors at both ends.
To ensure proper operation when installing the switch into a network, make sure that the current cables are
suitable for 10BASE-T, 100BASE-TX, or 1000BASE-T operation. Check the following criteria against the current
installation of your network:
• Cable type: Unshielded twisted pair (UTP) or shielded twisted pair (STP) cables with RJ-45 connectors;
Category 5, 5e or better cable for 1000BASE-T connections, Category 5 or better for 100BASE-TX
connections, and Category 3 or better for 10BASE-T connections.
• Protection from radio frequency interference emissions
• Electrical surge suppression
• Separation of electrical wires (switch related or other) and electromagnetic fields from data based
network wiring
• Safe connections with no damaged cables, connectors or shields
NOTE To remove a transceiver, disconnect the network cable then pull the tab to remove the
transceiver from the slot.
Cable Type Maximum Cable Length Connector Type
100BASE-T
Category 5, 5e or 100-ohm UTP or STP
100 m (328 ft)
RJ-45
100BASE-TX
Category 5 or better 100-ohm UTP or STP
100 m (328 ft)
RJ-45
10BASE-T
Category 3 or better 100-ohm UTP
100 m (328 ft)
RJ-45
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