MIKROTIK

MikroTik CRS112-8P-4S-IN 8-port PoE network switch, 4 × SFP, PSU included

The MikroTik CRS112-8P-4S-IN is a 12-port network switch: eight Gigabit RJ-45 ports with PoE out and four SFP cages for fibre links of up to 1 Gbit/s. The PoE ports detect on their own whether a device needs standard 802.3af/at power or passive PoE.

  • Ports: 8 × 1 Gbit/s RJ-45 with PoE out + 4 × SFP (up to 1 Gbit/s)
  • PoE: auto-sensing 802.3af/at PoE/PoE+ and passive PoE, mode B (4,5 + and 7,8 −)
  • PoE current: up to 2.8 A total at 24 V or 1.4 A at 48–57 V
  • Power: 28 V 3.4 A power supply included, second DC jack for 48–57 V
  • Management: RouterOS L5, 400 MHz CPU, 128 MB RAM

Description

Two power jacks, two PoE options

The included 28 V power supply works out of the box. The switch powers standard 802.3af/at devices when a 48–57 V supply, sold separately, is connected to the second DC jack on the back. Current per port is up to 1 A with 18–28 V input and up to 450 mA with 48–57 V input. Operating temperature is −20 to 60 °C, and the housing is white.

Who this network switch is for

Small offices, retail branches and private homes that need to power up to eight IP cameras, access points or IP phones and link them to the rest of the network over fibre. RouterOS management suits IT technicians who want to configure ports and traffic themselves.

Specifications

General

BrandMIKROTIK
Product colourWhite
SFP module slots quantity4
EAN4752224002105

Processor

Processor frequency400 GHz
Built-in processorYes

Memory

Internal memory128 GB

Camera

Flash memory16 MB

Ports

Power over Ethernet (PoE)Yes
Power connectorDC-in jack
Basic switching RJ-45 Ethernet ports typeGigabit Ethernet (10/100/1000)
Basic switching RJ-45 Ethernet ports quantity8

Connectivity

Networking standardsIEEE 802.3af/IEEE 802.3at

Software & security

Compatible operating systemsRouterOS L5

Battery & power

AC adapter includedYes
Power consumption (max)10 W
DC input voltage18 - 57

Performance & capacities

Operating temperature (T-T)0 – 20 – 60 °C

Features

10G supportNo

Questions & answers

Is a power supply included?

Yes, the box contains a 28 V 3.4 A power supply. A 48–57 V supply for the second DC jack has to be bought separately.

How many cameras can it power over PoE?

Eight ports have PoE out. Current per port is up to 1 A (18–28 V) or 450 mA (48–57 V), with a total limit of 2.8 A at 24 V and 1.4 A at 48–57 V, so the number depends on what your devices draw.

How fast are the SFP ports?

The four SFP cages support fibre uplinks at up to 1 Gbit/s.

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