MikroTik CRS305-1G-4S+IN Quick Start Manual

CRS305-1G-4S+IN
This device is a 10 Gigabit SFP+ switch, powered by RouterOS. It features two redundant DC inputs. The device
has four SFP+ cages (modules are not included) for high-performance 10GbE connectivity (1.25 Gbit modules are
also supported) and a 1GbE copper port for management. The device is ready to use as a switch.
Quickstart
Mount unit or place on the flat surface, please see
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Choose your powering solution, please see
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The Initial connection has to be done via the Ethernet cable, using the MikroTik Winbox utility.
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Use Winbox to connect to the default IP address of 192.168.88.1 from any port, with the username admin
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and no password, the device is set up as a switch.
We recommend clicking the "Check for updates" button and updating your system software to the latest
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version to ensure the best performance and stability.
Set up your password to secure the device.
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Mounting

This device is designed for use indoors by placing it on the flat surface or mounting on the wall, when mounting on
the wall, please ensure that cable feed is pointing downwards. We recommend using Cat5/6 shielded cable for our
devices. The IP rating scale for this device is IPX0.

Powering

The device accepts powering from the two DC power jacks (redundancy fail-over) or from the first Ethernet port:
Direct input power jacks DC1, DC2 (5.5 mm outside and 2 mm inside, female, pin positive) accept DC ⎓
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12-57 V DC.
The first Ethernet port accepts passive or 802.3af/at Power over Ethernet in the range of DC ⎓ 12-57 V.
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The power consumption of this device under maximum load with fiber SFP modules is 10 W when using all RJ10
copper modules, up to 18 W.
When using 802.3af/at to power this device, we recommend not using grounding for best compatibility.
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.
See mikrotik.com/products for the latest version of this document.
Mounting paragraph for instructions.
Powering section for possibilities.
Document #50608 Modified on: 09.JUL.2019