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Datacom 100G-LR4 Fiber Network Tap
Datacom 100 Gigabit Network Fiber Tap for 40G / 100GBase LR4 Links. Taps from Datacom Systems provide your network monitoring and security tools with passive permanent access into your for 40G / 100GBase fiber network. They provide permanent in-line access to network links - eliminating the need to disconnect and reconnect network plugs every time a segment needs to be analyzed. Our Taps allow you to view Layer 1 and 2 faults that are not visible when monitoring the network with SPAN ports. Translated with www.DeepL.com/Translator (free version)

Price on request

There are variations of this item. Please select the variation you wish.

Datacom 100 Gigabit network fiber TAP for 40G / 100GBase-LR4 links, passive TAP with LC connectors


Easily used in combination with many tools from WireShark, Tamosoft etc.

Datacom 40 / 100GBASE passive fiber network tap

The FTP-1546 will tap a 40GBase-LR4 or 100GBase-LR4 network link, sending a copy of traffic from each device out 2 LC ports in LR format. Uses 9 micron fiber. It provides your network monitoring and security tools with passive permanent access into your fiber network.


Dual speed capable fiber tap can be installed on either a 40GBase-LR4 or a 100GBase-LR4 network link.

  • 40G: Tapped and monitor wavelengths are at 1271, 1291, 1311, and 1331nm in complaince with the 40GBASE-LR4 standard.
  • 100G: Tapped and monitor wavelengths are at 1295.56, 1300.05, 1304.59 and 1309.14nm in complaince with the 100GBASE-LR4 standard.

The FTP-1546 is completely passive and uses no electrical power. These network taps are ideal for security applications, network monitoring and anywhere you need to see all the data that only an In-Line solution can provide. Invisible to the network, completely passive and fault-tolerant, fiber taps will not affect network performance or integrity.They provide permanent In-Line access to network links - eliminating the need for network connectors to be disconnected and connected each time a segment needs to be analyzed. Our taps allow you to view layer 1 and 2 errors not seen when performing network monitoring using SPAN ports.

  • Non-powered, passive tap
  • Optional 1U rack mount holds 3 taps
  • 4U 12 bay rack available



  • Two (2) 100Gb LR4 LC Network Connections


  • Two (2) 100Gb LR4 LC Monitor Connections


  • 50/50


  • Network Ports: 4.0 dB insertion loss
  • Monitor Ports: 3.5 dB insertion loss
  • **typical


    In order to perform a successful network analysis, we recommend either the free software from wireshark or the relate software from Tamosoft.

    You can find Wireshark's software here.

    You can find the Tamosoft software here.


  • 1.07 x 5 x 5 in.
  • (2.7 x 12.7 x 12.7 cm)


  • 12 oz (0.34 kgs)


  • Operating Temperature: 32º to 104ºF (0° to 40°C)
  • Storage Temperature: -22º to 149ºF (-30° to 65°C )
  • Humidity: 5 to 90% non-condensing

Optional Equipment

  • RMC-3 3-Unit Rack Mount
  • RMC-12-3 12-Unit Rack Mount

FTP-1546 100G-LR4 Fiber Tap_EN

FTP-1546 Guide_EN

Overview Datacom Products_EN