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This guide provides instruction on how to install and configure your MS120 series switch. This guide also provides mounting instructions and limited troubleshooting procedures. For more switch installation guides, refer to the switch installation guides section on our documentation website.
Physical Specifications
MS120-24 | MS120-24P | MS120-48 | MS120-48LP | MS120-48F | |
1Gbe RJ45 | 24 | 24 | 48 | 48 | 48 |
1Gbe SFP | 4 | 4 | 4 | 4 | 4 |
Dedicated Mgmt Interface | 1 | 1 | 1 | 1 | |
PoE/ PoE+ Capable | - | Yes, 370W | - | Yes, 370W | Yes, 740W |
Power Consumption | 8 - 908W | 8 - 908W | 8 - 908W | 8 - 908W | 8 - 908W |
Power Load (idle/ max) | 8 / 18 W | 28 / 425 W | 16 / 36 W | 37 / 477 W | 37 / 908 W |
Operating Temperature | 32°F - 113°F 0°C - 45°C | 32°F - 113°F 0°C - 45°C | 32°F - 113°F 0°C - 45°C | 32°F - 113°F 0°C - 45°C | 32°F - 113 0°C - 45°C |
Storage and Transportation Temperature | -4°F - 158°F -20°C - 70°C | -4°F - 158°F -20°C - 70°C | -4°F - 158°F -20°C - 70°C | -4°F - 158°F -20°C - 70°C | -4°F - 158°F -20°C - 70° |
Humidity | 5% to 95% | 5% to 95% | 5% to 95% | 5% to 95% | 5% to 95% |
Mounting | 1U Rack Mount | 1U Rack Mount | 1U Rack Mount | 1U Rack Mount | 1U Rack M |
Front Panel
MS120-24 Series front panel
MS120-48 Series front panel
Back Panel
MS120 Series back panel
Factory Reset Button
If the button is pressed and held for at least five seconds and then released, the switch will reboot and be restored to its original factory settings by deleting all configuration information stored on the unit.
Ports and Status Indicators
The MS uses LEDs to inform the user of the device's status. Functions are described below, from left to right.
Function | LED Status | Meaning |
Power | Solid orange | Switch is unable to connect to the Meraki cloud |
Flashing white | Firmware upgrade in process | |
Solid white | Switch is fully operational and connected to the Meraki cloud | |
Off | Switch does not have power | |
Restore | N/A | Reset button to clear switch IP and local configuration settings |
Switch Ports | Off | No link is detected on this port |
Flashing orange (RJ45 ports only) | Activity indicator | |
Solid green | 1 Gbps link detected | |
Management Interface | Green | Connected, used for easy access to the local status page |
In addition, there is a reset button available on the front panel.
Insert a paperclip if a reset is required.
Equipment is to be used only in a restricted access location and installed/operated only by trained service personnel.
In addition to the MS switch, the following are provided:
Rack Mount Kit includes:
These operations are to be taken with respect to all local laws. Please take the following into consideration for safe operation:
You should complete the following steps before going on-site to perform an installation.
Configure your Dashboard Network
The following is a brief overview only of the steps required to add a switch to your network. For detailed instructions about creating, configuring and managing Meraki networks, refer to the online documentation (documentation.meraki.com).
To ensure your switch performs optimally immediately following installation, it is recommended that you facilitate a firmware upgrade prior to mounting your switch.
If a firewall is in place, it must allow outgoing connections on particular ports to particular IP addresses. The most current list of outbound ports and IP addresses for your particular organization can be found on the firewall configuration page in your dashboard.
All switches must be assigned routable IP addresses. These IP addresses can be dynamically assigned via DHCP or statically assigned.
Dynamic Assignment
When using DHCP, the DHCP server should be configured to assign a static IP address for each MAC address belonging to a Meraki switch. Other features of the network, such as 802.1X authentication, may rely on the property that the switches have static IP addresses.
Static Assignment
Static IPs are assigned using the local web server on each switch. The following procedure describes how to set the static IP:
Static IP via DHCP Reservations
Instead of associating to each Meraki switch individually to configure static IP addresses, an administrator can assign static IP addresses on the upstream DHCP server. Through "DHCP reservations," IP addresses are "reserved" for the MAC addresses of the Meraki switches. Please consult the documentation for the DHCP server to configure DHCP reservations.
Mounting hardware
The mounting hardware includes a rack mount kit for standard 1U racks. When installing the device, make sure that there is sufficient space between the rear of the rack and other obstacles to ensure adequate airflow.
Optional Mid-Mount bracket
MS120 48 port models are designed for an optional MA-MNT-MID-1 mid-mount bracket when using 2-post racks.
The following steps can be used for troubleshooting basic connectivity issues with your switch.
If your switch still does not connect, the following link may be useful, depending on your issue: Troubleshooting an MS Switch
Reference https://documentation.meraki.com/MS for additional information and troubleshooting tips.
If you are still experiencing hardware issues, please contact Cisco Meraki support by logging in to dashboard and using the Help option near the top of the page, then opening and email case or calling using the contact information on that page.
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.
For additional information on Meraki hardware and for other installation guides, please refer to documentation.meraki.com.
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
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