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Installing the Copper TAP

Chapter 2 Copper TAPs

rev. 1

NOTE: INSIDE THE TAP

When traffic comes in to Link A, two copies are made in the

TAP. One copy is sent out Link B to the switch and the other

copy is sent out Analyzer A to the analysis device. A similar

thing happens with traffic that comes in Link B. Two copies

are made. One copy is sent out Link A and the other copy is

sent out Analyzer B.

Figure 4 Connecting the TAP to the network device, switch, and analyzer

AUTION

Before you temporarily break the link between the device of

interest and the network, you may want to shut down access

to that device and notify users of the down time.

1 Ensure that power is connected to the TAP. You can supply power

to one or both power supply sockets on the back panel of each

TAP. Connecting both sockets to different external power sources

provides fail-safe power redundancy for the Analyzer side. The

network pass-through (Link side) remains unaffected even if

power to the TAP is interrupted. If you do lose power, you will

temporarily lose connectivity while the devices renegotiate their

connection. The analyzer side will be down until power is

reestablished.

2 Connect your device (typically a switch) to Link B. You want to

connect Link B first because it negotiates its network speed first

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Black Box TS255A Specifiche Pagina 21