Black Box TS250A Bedienungsanleitung

Monitor high-speed, full duplex links

without network disruption.

Monitor high-speed, full duplex links

without network disruption.

10/100/1000 Copper Tap

FREE 24-hour Tech Support: 724-746-5500

blackbox.com

724-746-5500 blackbox.com

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FEATURES

• Offers complete network visibility

regardless of traffic levels.

• Provides passthrough signals and

separate copies of the TX and RX

signals.

• Autonegotiates speed to transfer data

at rates of 10, 100, and 1000 Mbps.

• Operates transparently.

• Doesn’t block error packets.

• Can be left in place permanently.

• Connect and disconnect monitoring

devices without network disruption.

• Provides continuous network data

flow if the power fails.

• Mount three taps in one rackmount

bracket.

10/100/1000 Copper Tap with Gigabit switch/server link under test.

OVERVIEW

Get a complete and accurate view into the traffic on your

10-/100-/1000-Mbps Ethernet network without any network

disruption or downtime.

The Copper Tap provides a complete copy of data from

a full-duplex copper link to your network analyzer. First, the

Tap replicates the full-duplex signal from the network. Then

it sends one signal back to the network and the other signal

to a monitoring device equipped with a dual-receive capture

card.

Use the Tap with all types of equipment: network and

protocol analyzers, security monitoring devices, remote

monitoring applications, RMON probes, and more.

The Tap operates passively and works regardless of

traffic levels. Once you install the Tap, you can leave it in

permanently without interfering with network operation

or introducing a point of failure. You can even connect and

disconnect different monitoring devices without interrupting

the network.

The Rackmount Bracket holds three Copper Taps.

10/100/1000 Copper Tap

(TS250A)

10-/100-/1000-Mbps

copper interface

Server (DTE) Gigabit switch (DCE)

Link under test

2/13/2007

#26541

SPAN Port

The Switched Port Analyzer (SPAN) port is a port on a

network switch used to send a copy of network data to a

monitoring device. SPAN ports are commonly configured to

be connected to devices that require monitoring of network

traffic, such as a protocol analyzer.

In a SPAN session, or port mirroring, the switch copies

the send and receive data and constructs an integrated data

stream. It routes this stream through the send channels of

the SPAN port to a monitoring device. Because both channels

are integrated into one, the SPAN port can only support a

maximum of 50 percent link utilization. This is because a full

duplex data stream can reach 2000 Mbps (1000 Mbps in each

direction). A SPAN port can only transfer a total of 1000 Mbps

at a time to the monitoring device. Once utilization passes

1000 Mbps, packets are dropped. A SPAN session also filters

out Layer 1 and Layer 2 and hides jitter, which is needed

for VoIP analysis.

Network TAPs

A network Test Access Port (TAP) is a passive device that

is set up, usually permanently, between any two network

devices, such as a firewall and a switch. Network TAPs enable

a copy of the data from the network to pass through to the

connected devices. TAPs transmit both the send and receive

data streams simultaneously on separate dedicated channels.

TAPs pass an exact duplicate of the data by splitting or

regenerating a full duplex signal. This occurs without delay,

and the data is passed through at a full line rate of up to

2000 Mbps and arrives at the monitoring device in real time.

The monitoring device must be capable of receiving and

aggregating the two data streams.

TAPs are ideal for accessing full duplex connections

because they don’t drop packets or filter out Layer 1 errors.

Technically Speaking

724-746-5500 blackbox.com

3 of 3

2/13/2007

#26541

Recognize any of these situations?

• You wait more than 30 minutes to get through

to a vendor’s tech support.

• The so-called “tech” can’t help you or gives you

the wrong answer.

• You don’t have a purchase order number and the

tech refuses to help you.

• It’s 9 p. m. and you need help, but your vendor’s

tech support line is closed.

According to a survey by Data Communications

magazine, 90% of network managers surveyed say

that getting the technical support they need is extremely

important when choosing a vendor. But even though

network managers pay anywhere from 10 to 20% of their

overall purchase price for a basic service and support

contract, the technical support and service they receive falls

far short of their expectations—and certainly isn’t worth

what they paid.

At Black Box, we guarantee the best value and the

best support. You can even consult our Technical Support

Experts before you buy if you need help selecting just

the right component for your application.

Don’t waste time and money—call Black Box today.

Why Buy From Black Box? Exceptional Value.

Exceptional Tech Support. Period.

TECH SPECS

CE Approval — Yes

Interface — 10/100/1000BASE-T Ethernet

Connectors — (2) RJ-45 analyzer ports, (2) RJ-45 link ports

Indicators — (7) LEDs: (3) speed, (2) Link, (2) Analyzer

Power — 90–264 VAC, 4–63 Hz

Power Dissipation — Typical: 8 W; Maximum: 14 W

Size — 1.1"H x 5.6"W x 7.6"D (2.8 x 14.2 x 19.3 cm)

Item Code

10/100/1000 Copper Tap TS250A

You may also need…

Rackmount Bracket, 19", 1U TS253

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