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MikroTik CRS305-1G-4S+OUT 10G Outdoor Switch – 4x SFP+ Ports, 1x GbE, IP66 Weatherproof, Fanless, 3x Power Options (PoE-in/DC/2-Pin)

The MikroTik CRS305-1G-4S+OUT is a compact and powerful outdoor-managed Ethernet switch designed to provide reliable 10 Gigabit connectivity for high-performance network deployments. Equipped with four SFP+ ports supporting 10G fiber or direct-attach connections and one Gigabit Ethernet port for management or additional network connectivity, this switch is an excellent choice for connecting high-bandwidth devices, network aggregation points, wireless infrastructure, surveillance systems, and outdoor communication networks. Its rugged outdoor-oriented design makes the CRS305-1G-4S+OUT suitable for environments where conventional indoor switches may not be appropriate, while its compact form factor allows flexible installation in space-constrained locations. The switch runs on MikroTik RouterOS, providing advanced Layer 2 management capabilities, VLAN configuration, traffic monitoring, link aggregation, port isolation, and other professional networking functions. With four 10G SFP+ interfaces, the CRS305-1G-4S+OUT can efficiently handle high-speed backbone and uplink connections while helping reduce network bottlenecks and improve overall data transfer performance. It is particularly suitable for ISPs, enterprises, system integrators, campus networks, security projects, wireless backhaul applications, and other professional network environments requiring dependable 10G connectivity. For distributors, resellers, and network solution providers, the MikroTik CRS305-1G-4S+OUT offers an attractive combination of high-speed interfaces, flexible fiber connectivity, compact design, and powerful network management features, making it a practical solution for upgrading existing infrastructure or building modern high-performance Ethernet networks.
  • CRS305-1G-4S+OUT

  • Mikrotik

  • Original New

  • 1 year

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Category

Parameter

Specification

Basic Information

Model Name

CRS305-1G-4S+OUT (FiberBox Plus)

Product Series

MikroTik CRS300 Series Managed Switch/Router

Device Type

Outdoor 10G SFP+ Managed Switch with PoE Input

Enclosure Rating

IP66-Rated Weatherproof Outdoor Enclosure

Target Application

Outdoor fiber network deployment, FTTH, campus networking, IP camera systems, wireless backhaul

Hardware Specifications

CPU

800 MHz Dual-Core ARM CPU (Marvell 98DX226S)

RAM

256 MB

Flash Storage

16 MB

Switch Chip

Marvell 98DX226S

Operating System

Pre-installed RouterOS v7 / SwOS (dual-bootable)

RouterOS License

Level 5

Architecture

32-bit ARM

Port Configuration

10/100/1000BASE-T Ethernet Port

1 x RJ45 port (supports PoE-IN, auto MDI/X)

SFP+ Ports

4 x SFP+ cages (compatible with 10G SFP+ / 1.25G SFP modules)

Serial Console Port

1 x RJ45 serial console port

Power Input Interfaces

1 x PoE-IN port, 1 x DC power jack, 1 x 2-pin terminal block

Performance Parameters

Switching Capacity

20 Gbps

Forwarding Rate (64-byte packets)

14.88 Mpps

MAC Address Table Size

16,000 entries

Jumbo Frame Support

Up to 10,218 bytes

VLAN Support

Up to 4,094 802.1Q tagged VLANs

Power Specifications

PoE Input Standard

IEEE 802.3af / 802.3at

PoE Input Voltage

42-57 V DC

DC Jack Input Voltage

12-57 V DC

2-Pin Terminal Input Voltage

24-57 V DC

Max Power Consumption

17 W (with SFP modules) / 7 W (no attachments)

Cooling Type

Passive fanless cooling

Core Network Features

Layer 2 Functions

802.1Q VLAN, Voice VLAN, STP/RSTP/MSTP, Link Aggregation (LACP 802.3ad), IGMP Snooping v1/v2/v3, Port Security, 802.1X Authentication, Storm Control, Port Mirroring

Layer 3 Functions

Static IPv4/IPv6 Routing, Inter-VLAN Routing, DHCP Server/Snooping, IPv4/IPv6 ACLs, Static default route

QoS

8 hardware priority queues per port, 802.1p CoS/DSCP mapping, traffic shaping & policing

Management

Winbox, Web UI, CLI (SSH/Telnet), SNMP v1/v2c/v3, Netinstall, RouterBOOT recovery

Security

SSH, HTTPS, RADIUS/TACACS+ authentication, DoS attack protection, port isolation, configuration encryption

Physical & Environmental Specs

Dimension (W × D × H)

141 mm × 115 mm × 28 mm

Weight

0.45 kg

Mounting

Wall-mountable, pole-mountable (clamps included)

Operating Temperature

-20°C to +60°C (-4°F to 140°F)

Storage Temperature

-40°C to +70°C (-40°F to 158°F)

Operating Humidity

10%–90% non-condensing

MTBF

Approximately 200,000 hours at 25°C

Compliance & Certifications

Industry Standards

IEEE 802.3, 802.3u, 802.3ab, 802.3af/at, 802.1Q, 802.1p, 802.1X, 802.3ad

Certifications

CE, FCC Class A, RoHS, UL, EAC

Package Contents

Included Accessories

MikroTik CRS305-1G-4S+OUT switch, Gigabit PoE injector, power adapter, 2 x pole mount clamps, K-41 fastening kit, K-72 fastening set

Warranty

1-year manufacturer limited warranty

Shenzhen Importgm Technology Co., Ltd.

Shenzhen Importgm Technology Co., Ltd. has been operating in the I T services market since 2010, focusing on the R&D, design and sales of core equipment and general accessories in the field of network communications, we are distributors and resellers of worldwide brands of communication equipment, general accessories and system solutions for global customers.We offer a wide range of products, including networking routers, switches, firewalls, servers, I P phones, video conferencing equipment, wireless A P, P D U and modules. We are located in Shenzhen with convenient transportation access. Over the years we have developed a team of highly skilled staff that delivers quality and effective solutions and services. Based on our rich experience, we can supply products with stable packages, reliable delivery, competitive prices and on-time support. Our products are exported to customers in such regions as the Middle East, Africa, America,Europe and Asia. We also welcome O E M and O D M orders.Whether selecting current products from our inventory or seeking engineering assistance for your project bid, you can consult our business staff at any time. Our service does not end when the invoice is printed but begins as soon as you have received your order. Any customers' business visit and negotiation is warmly welcomed. Let's work together and win-win.

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Q: What are the application scenarios for the CRS305-1G-4S+OUT?

A: The CRS305-1G-4S+OUT is ideal for small business networks, outdoor deployments, and high-speed fiber connectivity applications.

Q: How to install the CRS305-1G-4S+OUT switch?

A: The CRS305-1G-4S+OUT can be installed in suitable outdoor or network environments. Follow the included installation instructions for proper mounting and connection.

Q: Does the CRS305-1G-4S+OUT need upgrades?

A: Regular RouterOS updates are recommended for the CRS305-1G-4S+OUT to maintain performance, security, and compatibility with new features.

Q: Are there alternative products to the CRS305-1G-4S+OUT?

A: Alternatives include other MikroTik CRS models, offering different port configurations, management features, and connectivity options.

Q: What are common troubleshooting tips for the CRS305-1G-4S+OUT?

A: Check the power connection, verify SFP+ module and cable compatibility, and confirm port settings. Updating RouterOS can also help resolve common issues.


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