MikroTik RouterBOARD CRS125-24G-1S-2HnD-IN, RouterBOARD CRS125-24G-1S-IN, RouterBOARD CRS125-24G-1S-RM User 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 [e-mail] 18/10/13

Buttons and Jumpers

• RouterBOOT reset button (image Reset1) has several functions:

 Hold the button before powering on the device, and at power up, the button will force

load the backup boot loader. Continue holding the button for the other two functions of
this button:

 Release the button when green LED starts flashing, to reset RouterOS configuration. To

not load backup boot loader, you can start holding the button after power is already
applied

 Release the button after LED is no longer flashing (~20 seconds) to cause device to look

for Netinstall servers (required for reinstalling RouterOS over network)

• RouterOS reset jumper hole (image Reset2): resets RouterOS software to defaults. Hold

screwdriver pressed to this reset hole, and boot the device. Hold screwdriver in place until
RouterOS configuration is cleared (10 seconds).

Operating System Support

Currently tested operating system is MikroTik RouterOS (starting from version 6).

Safety Notice

Electric shock hazard. This equipment is to be serviced by trained personnel only.

Warranty

Copyright and Trademarks. Copyright MikroTikls SIA. This manual contains information protected
by copyright law. No part of it may be reproduced or transmitted in any form without prior written
permission from the copyright holder. RouterBOARD, RouterOS, RouterBOOT and MikroTik are
trademarks of MikroTikls SIA. All trademarks and registered trademarks appearing in this manual
are the property of their respective holders.

Hardware. MikroTik warrants all RouterBOARD series equipment for the term of twelve (12) months
from the shipping date to be free of defects in materials and workmanship under normal use and
service, except in case of damage caused by mechanical, electrical or other accidental or intended
damages caused by improper use or due to wind, rain, fire or other acts of nature.

To return failed units to MikroTik, you must perform the following RMA (Return Merchandise
Authorization) procedure. Follow the instructions below to save time, efforts, avoid costs, and
improve the speed of the RMA process.

1. If you have purchased your product from a MikroTik Reseller, please contact the Reseller
company regarding all warranty and repair issues, the following instructions apply ONLY if
you purchased your equipment directly from MikroTik in Latvia.

2. We do not offer repairs for products that are not covered by warranty. Exceptions can be
made for RB1000, RB1100 and RB1200, CCR, CRS.

3. Out-of-warranty devices and devices not covered by warranty sent to MikroTik will be
returned to the sender at sender's cost.