Black Box TS254A Manual de usuario

Test both ends of a low-use, full duplex copper link

via a single aggregated data stream.

Test both ends of a low-use, full duplex copper link

via a single aggregated data stream.

10/100/1000 Aggregator Taps

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FEATURES

• Send full duplex data into a single

stream to one or two data analyzer or

security devices.

• Keep track of alarms and problems on

your network with a monitoring device.

• The 256 MB or 512 MB buffer protects

against dropped packets.

• Work with network/protocol analyzers,

security monitoring devices, forensic

tools, application analyzers, remote

monitoring appliances, and RMON

probes.

• Support redundant failover links.

• Copy, integrate, and route data to a

monitoring device that has a single

network interface card (NIC).

Typical application

OVERVIEW

Network monitoring devices, such as network protocol

analyzers, security monitoring devices, forensic tools,

application analyzers, remote monitoring appliances, and

RMON probes generate alarms and help you troubleshoot

problems on your network. But without proper monitoring,

alarms may sound or light when there are no errors on the

network. This can cause you to falsely identify problems—or

even miss legitimate ones. Accurately monitoring network

activity ofen means using more than one analysis device as

well as ensuring data isn’t lost before analyis. This is where

the 10/100/1000 Aggregator Tap comes in.

The aggregator tap also works as an “aggregator.” So

when your full duplex copper links are used infrequently, and

it isn’t practical to connect a network monitoring device to

each side of the link, you can aggregate the data from both

sides of a full duplex copper link to a single data stream via a

network interface card in one or two network monitoring

devices. Simply connect one end of the link you want to

analyze to the A connector on the tap and the other end

of the link to the B connector on the tap.

The tap replicates the copper signal and sends one signal

back to the network. The other signal is sent to one or two

copper analysis or security devices. The tap then aggregates

the two data streams into one and sends the resulting data

stream out a simplex port to an analysis device with a single-

receive capture interface.

Two models are available: the TS254A has a 256 MB buffer

and the TS255A has a 512 MB buffer. The buffer size is

important because if the network traffic entering the

aggregator tap exceeds the capacity of the analyzer’s capture

cards, the buffer captures the excess traffic and holds it until

the attached monitoring device can accept the data.

10/100/1000 Aggregator Tap

(TS254A or TS255A)

10-/100-/1000-Mbps

copper interface

Link under test

Switch

Analysis devices

Server

TECH SPECS

Buffer — TS254A: 256 MB;

TS255A: 512 MB

Compliance — FCC Part 15 Class B, CE (EN61000-3-2, EN55024, EN55022A)

Current (Operating) — Typical: <= 1.8 amps;

Maximum: <= 2.8 amps

Power Dissipation — Typical: 8 W;

Maximum: 14 W

Voltage (Operating) — 5 V +10% to -5%

Interface — Link A/Link B (link under test): RJ-45 Ethernet;

Copper analyzer interface: RJ-45

Connectors — (4) RJ-45 female

Temperature Tolerance — Operating: 32 to 120°F (0 to 55°C);

Storage: 32 to 167°F (0 to 75°C)

Humidity Tolerance — 35 to 85%, noncondensing

Power — 90–264 VAC, 4–63 Hz

Size — 1.1"H x 5.9"W x 7.7"D (2.8 x 14.9 x 19.5 cm)

Item Code

10/100/1000 Aggregator Taps

256 MB Buffer TS254A

512 MB Buffer TS255A

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