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Installing the Optical TAP

Chapter 3 Optical TAPs

rev. 1

Installing the Optical TAP

After reviewing the information in “Deciding whether to use a TAP or

a SPAN/mirror port” on page 8 and “Choosing between a SPAN,

Aggregator, or full-duplex TAP” on page 10, you decided an Optical

TAP was the right one for you. Use the information in this section to

install your TAP.

To install the TAP, you must:

 Decide where to place the TAP and physically mount it, if

desired. Depending on the form factor purchased, this will be

in a PC drive bay, rack mount bracket, or wherever it is most

convenient.

 Use the TAP cables you purchased (or your own optical patch

cables) to complete the pass-through connection between the

device of interest and the network.

 Connect the TAP to your analyzer or other monitoring device.

Be certain to connect to the receive ports on the two NICs in

your analyzer.

These steps are described in more detail in the sections that follow.

An Optical TAP splits the full-duplex signals, allowing the monitoring

device access to a copy of the data stream while maintaining

uninterruptable data flow through the monitored link. Optical TAPs

require no external power, and are available in various split ratios to

match the optical signal strength requirements of the network

connections and of the monitoring equipment.

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Black Box TS255A Spezifikationen Seite 29