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You can’t buy safety, but you can buy MikroTik devices to keep your setup safe. Take a look at the GESP product line. It consists of a new revision of the classic MikroTik GESP surge protector and a brand new device – the GESP+POE-IN, a passive PoE injector with surge protection. Together these two devices offer maximum security and peace of mind. 

Here’s what a typical use-case would be like. You have a mast with some antennas. And some switches on the ground. Put the GESP surge protector up there. It comes sealed inside a new and improved  IP67  weatherproof  enclosure.  Your antennas  are  now  safe  during  a lightning  storm.  Now add the GESP+POE-IN injector below the mast  - to protect the switches and to power the antennas.

Don’t forget about the grounding wire! Secure it to the rackmount, mast, or any other structure that is connected to the ground. For maximum protection, you should use a surge protector on both ends of long cables.

The  GESP  units  can  usually  absorb  multiple  impacts,  but make  sure  to  check  their  condition  after each  surge.  For attachment  of GESP  units,  we recommend  using PVC  zip  ties. Just  don’t  make  it too tight.

You  know  what  they  say  –  hope  for  the  best,  prepare  for  the  worst.  This  small  investment  can  save lots of time and money, so why risk it? Grab a GESP & GESP+POE-IN and put your mind at ease!


Product code: GESP+POE-IN

Interface connections: RJ45 Male/Female Conector

ESD/EMP protection : Absorbing transient current with response to surge voltage of 100  V/s 1 kV/μs ESD, IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61643-21, ±8 kV contact, ±15 kV air

DC spark-over voltage: 75 V @ 100 V/s

Maximum impulse spark-over voltage: 700 V @ 1 kV/μs

Discgarge current: 3 kA (8/20μs)

Minimum insulation resistance: 1 G ohm @ 50V

Maximum capacitance: 4 pF @ 1 MHz

Data line protecion: RJ45 10/100/1000 Ethernet

PoE support: Passive PoE

IP rating: IP67

Operating temperature: -40 to 70°C