Black Box ME500A Manuel utilisateur

Operates in a variety

of environments: sync

or async, 2- or 4-wire,

half- or full duplex,

point-to-point or

multipoint.

13 selectable data

rates to choose from

Extremely tolerant to

heat and humidity.

Transmits data up to

12 miles.

Built-in 2000-VAC

transformer isolation

and high-speed surge

protection.

V.52 and V.54 test

modes.

hink of your operating

environment as an obstacle

course. There are all sorts of

hurdles to overcome. If you’re not

worrying about spikes, then

there’s always excessive heat.

Or maybe you’re set up for 2 wire

operation and now you need to go

to 4 wire. Or your application calls

for multipoint configuration when

you really need point to point.

This is no time for a wimpy line

driver. You need versatility. You

need equipment that can handle

extreme conditions. You need the

Async/Sync Industrial Line Driver.

PRW TX RX RTS CD

Async

↔

Sync

Industrial Line Driver

ErrorTest

Remote

Normal

Local

511E

511

Versatility is what makes

this line driver indispensable!

KeyFeatures

ASYNC/SYNCINDUSTRIALLINEDRIVER

The Async/Sync Industrial

Line Driver is loaded with features

that not only drive your data, but

also keep it safe from harmful

conditions:

• Built in surge protection

keeps your equipment safe

from spikes.

• Transformer isolation guards

against ground loops.

• Extreme temperatures

ranging from 14 to 158°F

( 10 to +70°C) won’t affect

performance.

And when it comes to being

prepared for all situations, you

can’t beat this kind of flexibility:

• 2 wire (half duplex) or

4 wire (full or half duplex)

operation.

• Point to point or multipoint

configuration in both 2 and

4 wire applications.

• Data is transmitted in async

or sync mode.

• 13 selectable data rates.

• Transmit data up to 12 miles

(19.3 km).

Other features include three

clocking selections (internal,

external, or receive recover),

equalization, and an anti

streaming timer. You also get

comprehensive diagnostics

including a V.52 compliant BERT

pattern generator/detector and

V.54 LAL and RDL tests. Both RDL

and LAL modes can be controlled

by a manual switch or via the

V.24/RS 232 interface.

Black Box Corporation • 1000 Park Drive • Lawrence, PA 15055 1018 • Tech Support: 724 746 5500 • www.blackbox.com • e-mail: [email protected]

Black Box Corporation.

7/11/2005 #23630

Ordering Information

ITEM CODE

Async/Sync Industrial Line Driver .........................ME500A

Maximum Distance: 12 miles

(19.3 km)

Operation: 2 wire half duplex or

4 wire half or full duplex, point

to point or multipoint

Protocol: Sync or async

Speed: 1.2, 1.8, 2.4, 3.6, 4.8, 7.2, 9.6,

14.4, 19.2, 28.8, 38.4, 57.6, or

64 kbps (all rates switch

selectable)

Applications: Point to point or

multipoint

Transmission Line: 2 or 4 wire

UTP, 19 to 24 AWG

Clocking: Internal, external, receive

Carrier: Carrier Constantly ON or

Controlled by RTS

RTS/CTS Delay: Set to No Delay,

7 or 53 ms

RTS Anti Stream Timer:

12.5 seconds, 50 seconds, or

disabled (switch selectable);

Tolerance: +50%, 0%

Transformer Isolation: 2000 V RMS

Diagnostics: V.52 compliant bit

error rate pattern (511/511E

pattern) generator and detector

with error injection mode;

V.54 compliant: Local Analog

Loopback and Remote Digital

Loopback, activated by front

panel switch or via RS 232

interface

Surge Protection: Immune to

IEC 801 5 Level 2, 1 kV

Interface: RS 232

Connectors: (1) DB25 F, (1) RJ 45

Indicators: (7) LEDs: TX, RX, RTS,

CD, Power, Test, Error

Operating Temperature: 14 to 158°F

( 10 to +70°C)

Humidity Tolerance:

100% condensing from 14 to 86°F

( 10 to +30°C);

Absolute humidity: 86 to 158°F

(30 to 70°C)

Power: 120/230 VAC, 50/60 Hz,

switch selectable internal power

supply

Size: 1.6"H x 5.5"W x 7.5"D

(4.1 x 14 x 19.1 cm)

Specifications

Recogni e 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.

WhyBuyFromBlackBox?Exceptional

Value.ExceptionalTechSupport.Period.

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