Mikrotik FiberBox CRS105-5S-FB

Your Price: $73.00
Retail Price:$79.00
You Save:$6.00(8%)
Part Number: CRS105-5S-FB
Availability: Out Of Stock.


The Fiberbox is an outdoor router with five SFP ports, ideal for locations where distance is restricting the use of regular ethernet cables. The device is weatherproof and comes with a hose clamp and zip ties, ready to be installed on high masts and towers.

The package also includes the RJ45 SFP (S-RJ01) copper module already preinstalled in the first port, so you can use ethernet in one of the ports already out of the box. If not needed, remove it to have access to all five SFP ports for using with 1.25 Gbit fiber modules.


Product codeCRS105-5S-FB
CPU core count1
CPU nominal frequency400 MHz
Dimensions125 x 178 x 48 mm
License level5
Operating SystemRouterOS
Size of RAM128 MB
Storage size16 MB
Storage typeFLASH
Tested ambient temperature-20 to 70° C
Suggested price$79.00


Max Power consumption11W
Number of DC inputs1 (DC jack)
DC jack input Voltage9-30 V


SFP ports5

Switching results

ModeConfiguration64 byte512 byte1518 byte
SwitchingNon blocking Layer 2 throughput7,440.53,809.51,174.84,812.0406.44,935.0
SwitchingNon blocking Layer 2 capacity7,440.57,619.01,174.89,624.1406.49,870.0
SwitchingNon blocking Layer 1 throughput7,440.55,000.01,174.85,000.0406.45,000.0
SwitchingNon blocking Layer 1 capacity7,440.510,000.01,174.810,000.0406.410,000.0

Ethernet test results

CRS105-5S-FBQCA8511 1G all port test
ModeConfiguration1518 byte512 byte64 byte
Bridging25 bridge filter rules26.1317.028.6117.129.615.2
Routing25 simple queues14.5176.116.165.916.88.6
Routing25 ip filter rules7.894.
  1. All tests are done with Xena Networks specialized test equipment (XenaBay),and done according to RFC2544 (Xena2544)
  2. Max throughput is determined with 30+ second attempts with 0,1% packet loss tolerance in 64, 512, 1518 byte packet sizes
  3. Values in Italic indicate that max throughput was reached without maxing out CPU, but because board interface configuration was maxed out
  4. Test results show device maximum performance, and are reached using mentioned hardware and software configuration, different configurations most likely will result in lower results

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