MIKROTIK MTK RB4011IGS+RM Instructions

RB4011iGS+RM

The device is already configured with basic settings, you can simply plug in your ISP cable and start using the
Internet. We recommend you to set up a password to secure your device.

Setup

• Connect your Internet cable to the first port, and local network PCs to the other ports.

• Choose your powering solution, please see Powering section for possibilities.

• Set your computer IP configuration to automatic (DHCP).

• Default IP address from the local network is 192.168.88.1, open this address in your web browser to start

the configuration. The username is admin and there is no password.

• We recommend clicking the “Check for updates” button and updating your RouterOS software to the latest

version to ensure the best performance and stability.

• Set up your password in the screen that loads.

Powering

The power consumption under maximum load can reach 33 W. The device accepts powering from the power jack
or from the first Ethernet port:

• Direct-input power jack (5.5 mm outside and 2 mm inside, female, pin positive plug) accepts 12-57 V DC.

• First Ethernet port accepts Power over Ethernet 18-57 V DC.

Connecting to a POE Adapter:

1. Connect the Ethernet cable from the device to the POE port of the POE adapter.

2. Connect an Ethernet cable from your LAN to the LAN port of the POE adapter, please mind arrows for data
and power flow.

3. Connect the power cord to the adapter, and then plug the power cord into a power outlet.

Configuration

Once logged in, we recommend clicking the “Check for updates” button in the QuickSet menu, as updating your
RouterOS software to the latest version ensures the best performance and stability. For wireless models, please
make sure you have selected the country where the device will be used, to conform with local regulations.

RouterOS includes many configuration options in addition to what is described in this document. We suggest to
start here to get yourself accustomed to the possibilities: http://mt.lv/help. In case IP connection is not available, the
Winbox tool (http://mt.lv/winbox) can be used to connect to the MAC address of the device from the LAN side (all
access is blocked from the Internet port by default).

For recovery purposes, it is possible to boot the device for reinstallation, see section Buttons and jumpers.

See mikrotik.com/products for the latest version of this document. Document #50321 Modified on: 28.JUN.2019

Mounting

The device is designed to use indoors and it can be mounted in a rackmount enclosure using provided rack
mounts, or it can be placed on the desktop. Please attach rubber pegs on the bottom of the router if the desired
placement is on the flat surface or use a Phillips screwdriver to attach rackmount ears on both sides of the device if
designated use is for rackmount enclosure:

1. attach rack ears to both sides of the device and
tighten four screws to secure them in place,

2. place the device in rackmount enclosure and
align with the holes so that device fits conveniently,

3. tighten screws to secure it in place.

The IP rating scale for this device is IPX0. The device
has no protection from water contamination, please
ensure the placement of the device in a dry and
ventilated environment.

We recommend Cat5/6 cables for our devices.

Mounting and configuration of this device should be
done by a qualified person.

The enclosure includes a grounding screw hole with an
M4 thread (screw not included). In locations with the risk
of ESD discharge, you are encouraged to connect the
grounding screw to verified grounding infrastructure.

This equipment should be installed and operated with a minimum distance of 20 cm between the device and your
body. Operation of this equipment in the residential environment could cause radio interference.

Extension slots and ports

• The Ethernet ports are connected in two groups of five, each group is connected through a switch chip.

The ports can be configured individually and support automatic cross/straight cable correction (Auto
MDI/X), so you can use either straight or cross-over cables for connecting to other network devices.

• SFP+ port accepts SFP and SFP+ modules. Note: The RB4011 does not support passive DAC modules,

1GB copper SFP modules and SFP GPON modules.

• RJ45 console port for serial console access, set by default to 115200 bit/s, 8 data bits, 1 stop bit, no parity.

Buttons and jumpers

The reset button has the following functions:

• Hold this button during boot time until LED light starts flashing, release the button to reset RouterOS

configuration (total 5 seconds).

• Keep holding for 5 more seconds, LED turns solid, release now to turn on CAP mode. The device will now

look for a CAPsMAN server (total 10 seconds).

• Or Keep holding the button for 5 more seconds until LED turns off, then release it to make the

RouterBOARD look for Netinstall servers connected to its first Ethernet port (total 15 seconds).

Regardless of the above option used, the system will load the backup RouterBOOT loader if the button is pressed
before power is applied to the device. Useful for RouterBOOT debugging and recovery.

Operating system support

The device supports RouterOS software version 6. The specific factory installed version number is indicated in the
RouterOS menu /system resource. Other operating systems have not been tested.

See mikrotik.com/products for the latest version of this document. Document #50321 Modified on: 28.JUN.2019