Cisco MERAKI MR57 Manual de usuario
MR57 Installation Guide
The Cisco Meraki MR57 is a tri-band enterprise-class Wi-Fi 6E cloud-managed access point supporting 2.4 Hz, 5 Hz, and the newly opened unlicensed 6
Hz frequency bands. Designed for the ultra high capacity and highest density, MR57 meets the needs of the most demanding and mission-
critical environments. The access point also includes a fourth radio dedicated to optimizing the RF environment and securing the airwaves. The MR57 also has
an additional Bluetooth Low Energy (BLE) capable radio used for location and other IoT applications. In addition to this MR57 has a USB port to support external
devices for IoT applications
About this Guide
This guide provides instructions on how to install and configure your MR57 access points. This guide also provides mounting instructions and limited
troubleshooting procedures. For more wireless installation guides, refer to the wireless installation guides section on our documentation website.
Product Overview
Physical Specifications
MR57
Interfaces
• 2x 100/1000/2.5 /5 BASE-T Ethernet (RJ45)
• 1x DC power connector (5.5 mm x 2.5 mm, center positive)
Power
• Power over Ethernet: 42.5 - 57 V (802.3 at/PoE+ and 802.3 bt/UPoE compliant)
• Alternative 12 V DC input via DC adapter
• Power consumption: 30W to 40W (802.3at required)
• Power over Ethernet injector (MA-INJ-6) and DC adapter (MA-PWR-50WAC)
Note: PoE Injector and DC adapter sold separately
Note: Actual power consumption may vary depending on the AP usage.
USB will be disabled when powered by 802/3 at/PoE+
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Environment
• Operating temperature: 32 °F to 104 °F (0 °C to 40 °C)
• Storage and Transportation Temperature: -4 °F to 158 °F (-20 °C to 70 °C)
• Humidity: 5 to 95% non-condensing
Physical Security
• Screws that can be attached to the security hasp of the universal mounting bracket
• Kensington lock hard point
• Concealed mount plate with anti-tamper cable bay
Product View and Physical Features
Your MR57 has the following features:
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A - LED indicator
B - USB Slot
C - Kensington lock hard point
D - Rubber Feet/universal mounting bracket slide in points
E - Cable access bay
The Meraki MR57 comes with the default Cisco universal mounting bracket (AIR-AP-BRACKET-2) that has the following features:
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A - Security Hasp
B - Access Point Mounting Keyholes
C- T-rail attachment points
D - Cable access slot
Security Features
The MR57 features multiple options for physically securing the access point after installation:
1. Security hasp – The universal mounting bracket has a security hasp and can be used to secure the access point to the universal mounting bracket. Engaging
the security screw prevents accidental dislodging and theft.
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 MR57 features two RJ45 Ethernet ports capable of operating at 100/1000/2.5 /5 BASE-T Ethernet (RJ45). The Ethernet ports can also be combined for
link aggregation for an effective data rate of up to 10 bps
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The labeled “ETH0, PoE” accepts 802.3 af (in power sharing mode), 802.3at and 802.3bt power. This port is typically used as the primary uplink to your LAN/
WAN.
The labeled “ETH1, PoE” can also accept 802.3 af (in power sharing mode), 802.3at and 802.3bt power. This port is typically used when the AP needs to
support High Availability* in case of primary port failure or Power Sharing* (when two 802.3af power sources are combined to provide 802.3at power or two
802.3at power sources are combined to provide 802.3bt power).
Link Aggregation
The two Ethernet ports can be used in a bonded configuration. Ensure that the AP is plugged into 2 switch ports on the same Ethernet switch that has been
configured for LACP bonding. Keep in mind that the maximum bonded aggregate 10 ig wired connection to the switch. See the MR Link Aggregation
Configuration uide for more details.
Extending the LAN
Edit
section
If only 1 Ethernet port is used to link the AP to the LAN/WAN, the second Ethernet port may be used to connect devices that do not have wireless capability. In
order to utilize the additional LAN port to extend connectivity, a Port Profile needs to be applied to AP.
Note: High Availability and Power Sharing will be available in future firmware versions
Warning: The AP will not power up with a single 802.3af power source
Warning: Some of the pre-standard 802.3at/PoE+ switches do not negotiate full 802.3at power output with the MR57 by default. For these switches
(Cisco Catalyst 2960,3560, etc) the switch port that is connected to and powering up the MR57 should be manually configured to provide 30 watts of
power. This can be done by going into the interface of the switch and setting the inline power to 30 watts using the following command
power inline consumption 30000
before actually powering up the AP. Failure to do so may result in the MR57 not receiving enough power to operate and can remain in low power
which can cause the APs to continuously reboot
Note: When link aggregation is disabled, Eth0 should be used as the primary uplink and POE port.
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Power Source Options
MR57 can be powered by dual M- ig 802.3 bt capable PoE ports. The two Ethernet ports are capable of combining the power of two 802.3 af/at power to
provide 802.3 at/bt. The AP is capable of operating at its full capacity when powered by a single 802.3bt power at full capacity. All the AP radios will run at full
capacity, however, the USB port will be disabled when powered by a single 802.3 at power. The AP will not power up when powered by a single 802.3af power
source.
The table below indicates the different modes of PoE power input and the expected operation of the AP
PoE0 PoE1 2.4GHz 5GHz 6GHz Scan IoT USB
AF None Not Supported and AP does not power up
AF AF 4x4 4x4 4x4 ON ON OFF
AT None 4x4 4x4 4x4 ON ON OFF
AT AT 4x4 4x4 4x4 ON ON ON
BT None 4x4 4x4 4x4 ON ON ON
BT BT 4x4 4x4 4x4 ON ON
ON
MR57 APs can be powered by the PoE power in different modes as mentioned above when using a PoE-capable switch. MR57 can also be powered by a single
802.3bt capable PoE injector MA-INJ-6 - Meraki multi igabit 802.3bt Power over Ethernet Injector. It can also be powered by an AC power adaptor MA-
PWR-50WAC Meraki AC Adapter for MR Series
Factory Reset Button
If the button is pressed and held for at least five seconds and then released, the AP will reboot and be restored to its original factory settings by deleting all
configuration information stored on the unit.
LED Indicators and Run Dark Mode
Your access point is equipped with a multi-color LED light on the front of the unit to convey information about system functionality and performance:
• Orange - AP is booting (permanent Orange suggests hardware issue)
• Rainbow - AP is initializing/scanning
• Blinking Blue - AP is upgrading
• reen - AP in ateway mode with no clients
• Blue - AP in ateway mode with clients
• Blinking Orange - AP can't find uplink
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The MR57 access point may be operated in the “Run Dark” mode for additional security and to reduce the visibility of the access point. In this mode, the LED will
not be illuminated. This mode may be enabled through the Meraki Dashboard.
Package Contents
The access point packages contain the following:
MR57 Cloud-Managed Access Point
NOTE: Blinking reen LED indicates that the device is in site survey mode. Please see the Conducting Site Surveys with MR Access Points for more
details.
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Cisco Universal Mount Bracket - AIR-AP-BRACKET-2
T-Rail mount attachment (AIR-AP-T-RAIL-R) - and screws (5 Nos - 6-32 x 1/4 included)
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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.
• Before you work on any equipment, be aware of the hazards involved with electrical circuitry, and be familiar with
standard practices for preventing accidents.
• Read the wall-mounting instructions carefully before beginning installation. Failure to use the correct hardware or to
follow the correct procedures could result in a hazardous situation to people and damage to the system.
• This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that the protective
Note: AIR-AP-BRACKET-1 (ordered separately) and AIR-AP-T-RAIL-F (ordered separately) is one other universal mounting option for MR57 when
AP needs to be mounted flush to the wall or ceiling
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