MikroTik CRS112-8P-4S-IN User Manual
CRS112-8P-4S-IN
CRS112-8P-4S-IN
CRS112-8P-4S-IN is eight Gigabit RJ45 ports PoE switch, that oers dierent power output options: autosensing 802.3af/at PoE/PoE+ and Passive PoE, and four SFP ports provide optical fiber connectivity options to
support uplinks of up to 1 Gbps.
CRS112-8P-4S-IN is equipped with 12 independent switching ports. 28 V 3.4 A power supply is already included
in the box. There is secondary DC jack on the back of the enclosure that supports 48-57 V power supply (not
included, can be purchased separately). CRS112-8P-4S-IN can power 802.3af/at devices if 48-57 V DC input is
used (unit will automatically detect and provide correct power to devices). Max current is 1 A per port if input
voltage is 18-28 V, 450 mA if 48-57 V. Total limit is 2.8A@24V and 1.4A@48-57V.
Our CRS series combines a fully functional router and a managable switch with L3 features, it’s powered by
the familiar RouterOS. All the specific Switch configuration options are available in a special Switch menu, but
if you want, ports can be removed from the switch configuration, and used for routing purposes. It gives you all
the basic functionality for a managed switch, plus more: allows to manage port-to-port forwarding, apply MAC
filter, configure VLANs, mirror trac, apply bandwidth limitation and even adjust some MAC and IP header
fields. IGMP snooping is also supported.
Switching features Quick specifications
• Non-blocking Layer 2 switching capacity
• 16K host table
• IEEE 802.1Q VLAN
• Supports up to 4K simultaneous VLANs
• Port isolation
• Port security
• Broadcast storm control
• Port mirroring of ingress/egress trac
• Rapid Spanning Tree Protocol
• Access Control List
• MikroTik neighbor discovery
• SNMP
• 9204-byte jumbo frames support
• IGMP snooping
• static link aggregation
• 8 Gigabit RJ45 Ports
• 4 SFP Ports
• Non-Blocking Throughput: 12 Gbps
• Switching Capacity: 24 Gbps
• Forwarding Rate: 17.8 Mpps
• Maximum Power Consumption: 10 W (without
PoE devices connected)
• Supports PoE+ IEEE 802.3at/af and 24 V
Passive PoE
• Quiet, Fanless Operation
• Desktop-Rackmount
CRS112-8P-4S-IN
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Specifications
Product code CRS112-8P-4S-IN
CPU nominal frequency QCA8511
Size of RAM 128 MB
Storage type Flash
Storage size 16 MB
10/100/1000 Ethernet ports 8
SFP ports 4
Serial port RJ45
PoE out Yes, 802.3af/at
CRS112-8P-4S-IN
Supported input voltage 18 V - 57 V
Dimensions 200 x 143 x 40 mm
Operating system RouterOS, level 5 license
Max Power consumption 10 W
Power adapter
28 V 3.4 A
CRS112-8P-4S-IN
Rackmount ears
Power cord Screws
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