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MR42 Installation Guide
The Cisco Meraki MR42 is a dual-band enterprise class 802.11ac cloud-managed access point. Designed for high
capacity and high density, the MR42 meets the needs of the most demanding environments, and also includes the first
ever cloud-managed third radio dedicated to optimizing the RF environment and securing the airwaves.
About this Guide
This guide provides instruction on how to install and configure your MR42 access points. This guide also provides
mounting instructions and limited troubleshooting procedures. For more wireless installation guides, refer to the
installation guides section
Product Overview
Physical Specifications
Interfaces
• 1x 10/100/1000 BASE-T Ethernet (RJ45)
• 1x DC power connector (5.5 mm x 2.5 mm, center positive)
Power
• Power over Ethernet: 37 - 57 V (802.3at required with
functionality-restricted 802.3af mode supported)
• Alternative: 12 V DC input
• Power consumption: 20W max (802.3at)
• Power over Ethernet injector and DC adapter sold separately
Environment
on our documentation website.
MR42
wireless
1
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Table of Contents
Related Manuals for Cisco MERAKI MR42
Summary of Contents for Cisco MERAKI MR42
- Page 1 The Cisco Meraki MR42 is a dual-band enterprise class 802.11ac cloud-managed access point. Designed for high capacity and high density, the MR42 meets the needs of the most demanding environments, and also includes the first ever cloud-managed third radio dedicated to optimizing the RF environment and securing the airwaves.
- Page 2 • Two security screw options (included) (10 mm long and 2.5 mm diameter and 4.7 mm head) • Kensington lock hard point • Concealed mount plate with anti-tamper cable bay Product View and Physical Features Your Meraki MR42 has the following features:...
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Page 3: Security Features
2. Kensington lock – The access point contains a hard point that allows it to be secured to any nearby permanent structure using a standard Kensington lock. Ethernet Ports The MR42 features a Gigabit Ethernet RJ45 port that accepts 802.3at and 802.3af power (labeled “Eth0, PoE”). This port should be used for uplink to your WAN connection. -
Page 4: Power Source Options
802.11ac capabilities. Factory Reset Button If the button is pressed and held for at least five seconds and then released, the MR42 will reboot and be restored to its original factory settings by deleting all configuration information stored on the unit. -
Page 5: Package Contents
Package Contents The MR42 package contains the following: • MR42 Cloud-Managed Access Point • Mount cradle including built-in level tool • Drop ceiling mount kit... -
Page 6: Safety And Warnings
• Wall screws, wall screw anchors, and security screws • Spare hardware Safety and Warnings These operations are to be taken with respect to all local laws. Please take the following into consideration for safe operation: • Power off the unit before you begin. Read the installation instructions before connecting the system to the power source. -
Page 7: Configure Your Network In Dashboard
1. Attach your MR42 to power and a wired Internet connection. See the "Power the MR42" section for details. 2. The MR42 will turn on and the LED will glow solid orange. If the unit does not require a firmware upgrade, the LED will turn either green (no clients associated) or blue (clients associated) within thirty seconds. -
Page 8: Collect Tools
Static Assignment Static IPs are assigned using the local web server on each AP. The following procedure describes how to set the static IP: 1. Using a client machine (e.g., a laptop), connect to the AP wirelessly (by associating to any SSID broadcast by the AP). -
Page 9: Installation Instructions
2. Power over Ethernet supports a maximum cable length of 300 ft (100 m). 3. If being used in a mesh deployment, the MR42 should have line of sight to at least two other Meraki devices. A Cisco Partner can help ensure that your AP placement is ideal. - Page 10 Wall or Solid Ceiling Mount Using mount cradle Using included wall anchors and screws, attach the mount cradle to your mounting wall or ceiling. It is recommended that the MR42 be mounted to a wall or solid ceiling using the mount cradle for physical security reasons.
- Page 11 1. Attach the T-rail clips to the T-rail by rotating them and snapping them into place as shown. The black foam pads should be compressed slightly after installation. 2. Using the dashed lines on the mount cradle template as a guide, set the proper spacing of the T-rail clips on the T-rail.
- Page 12 The MR42 attaches to the mount cradle with two tabs on the cradle that insert into the MR42, and is secured to the cradle using one screw. To attach the MR42 to the mount cradle properly, line up the top edge of the AP with the top tab of the mount cradle.
- Page 13 Since the cradle is already mounted to the wall, guide the MR42 towards the top tab and insert the top tab into the MR42’s slot. Then adjust the MR42 to guide the MR42’s bottom slot into the cradle’s bottom tab until it clicks into place. Once in place, the MR42 should be secured to the cradle by using one of the included screws in the cradle’s bottom tab.
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Page 14: Kensington Lock
Desk or Shelf Mount The MR42 can be placed on a desk or shelf resting on the non-scratch rubber feet. The mount cradle is not necessary for a desk or shelf installation. Secure the MR42 Depending on your mounting environment, you may want to secure the MR42 to its mount location. Your MR42 can be secured in several ways. - Page 15 • Try switching cables, or testing your cable on another device If your access point still does not connect, the following instructions may be useful, depending on your issue. Check Radio Functionality by Making the AP a Repeater 1. If your AP is acting as a gateway, disconnect the Ethernet cable from the LAN (while keeping the AP powered on).
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Page 16: Warranty
Meraki MR42 devices have been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. - Page 17 Support and Additional Information If issues are encountered with device installation or additional help is required, contact Meraki Support by logging in to dashboard.meraki.com and opening a case by visiting the Get Help section. • The equipment is intended for industrial or other commercial activities. •...
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