MikroTik RouterBOARD CRS125-24G-1S-2HnD-IN 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 support@mikrotik.com 18/10/13

MikroTik RouterBOARD CRS125-24G-1S-2HnD-IN Specifications

General

Product Code	CRS125-24G-1S-2HnD-IN
Category	Switch
CPU nominal frequency	600 MHz
CPU core count	1
CPU	Atheros AR9344
RAM	128 MB
Storage	128 MB NAND
Ethernet Ports	24
SFP Ports	1
USB Ports	1
Wireless	Yes
Wireless chip model	Atheros AR9344
Wireless standards	802.11b/g/n
Antenna gain DBI	2.5
PoE in	Yes
PoE Out	No
Operating System	RouterOS
License level	5
Dimensions	44 mm

Summary

Setup Guide and Warranty Information

First Use and Initial Setup

Guide to connecting and configuring the device for the first time, including default IP and credentials.

Powering Options

Details the accepted methods for powering the device, including voltage and current specifications.

Hardware Ports and Wireless

Lists available Gigabit Ethernet ports, SFP cage, and the integrated wireless access point.

Device Reset Procedure

Explains how to return the device to its original configuration using the reset button.

Device Operation and Safety

Buttons and Jumpers

Details the functions of the RouterBOOT reset button and the RouterOS reset jumper hole.

Operating System Support

States the currently tested operating system for the device, which is MikroTik RouterOS.

Safety Notice

Warns about electric shock hazard and specifies that servicing should be done by trained personnel.

Warranty and Support

Copyright and Trademarks

Information regarding copyright, trademarks, and intellectual property of MikroTik products.

Hardware Warranty Terms

Details the warranty period and conditions for RouterBOARD series equipment.

RMA Procedure

Outlines the process for returning failed units to MikroTik for repair or warranty claims.

Regulatory Compliance

FCC Interference Statement

Details compliance with FCC rules for Class B digital devices and potential interference issues.

FCC Caution and RF Exposure

Warns about modifications and specifies minimum distance for FCC RF exposure compliance.

CE Declaration of Conformity