User's Manual

Cloud Router Switch series
Setup Guide and Warranty Information
The CRS is a highly configurable switch, powered by RouterOS. It has 24 Gigabit ports. Three
models currently available:
CRS125-24G-1S-2HnD-IN (integrated wireless, indoor case)
CRS125-24G-1S-IN (indoor case)
CRS125-24G-1S-RM (rackmount case)
First use
The device comes preinstalled with RouterOS and is ready to use. Device is compatible with
RouterOS v6 and newer, if your device comes preinstalled with an earlier version, please upgrade
before using it.
The Ethernet ports 2-24 are switched, and the device can be accessed via these ports though the IP
192.168.88.1 username is admin and there is no password. Please connect with your web
browser to this IP address to configure it. Ethernet port 1 is configured as a DHCP client and has
firewall on it. The SFP port is configured the same way as Ether 1, with a firewall and DHCP client on
it.
Please note that for the wireless model, default wireless password is the same as unit serial number.
You can check this on the sticker, serial number is 12 symbols long.
See this page for connection and configuration guides:
http://wiki.mikrotik.com/wiki/Category:Manual
Powering
The device accepts powering in the following ways:
Direct-input power jack: 10-28V (24V 0.8A PSU included)
Extension Slots and Ports
Twenty four (24) 10/100/1000 (Gigabit) Ethernet ports (Auto MDI/X)
One SFP cage, compatible with 1.25G SFP modules
Only CRS125-24G-1S-2HnD-IN: Built in 802.11b/g/n 2GHz wireless access point
Resetting the device
In case you wish to return the device to its original configuration, you can use the RESET button.
Hold this button during boot time until LED lights start flashing, then release the button to reset
RouterOS configuration. You can use this procedure if you have forgotten the password to access
the device, or simply wish to return the unit to its default configuration state.
See www.routerboard.com for more information. Contact support@mikrotik.com 18/10/13

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