Black Box TL482A-R3 Manuale utente

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.

09/09/1994 #12283

Cascade units, and the

TEP grows along with

your business.

Memory can double to

64 KB with optional

Memory Expansion.

Five operation modes

handle all types of

situations.

Can be customized to

fit your application.

Optional rackmount kit

keeps the Terminal

Eliminator Plus out of

your way.

Ten LEDs give you

power and port

activity—at a glance.

Supports speeds up to

19.2 kbps.

ay good-bye to separate

consoles for intelligent async

devices, including mainframes,

data PBXs, network management

systems, data loggers, data

concentrators, and intelligent

test-data sets/analyzers. Thanks

to the Terminal Eliminator Plus

(TEP), one terminal can perform

the work of many.

The standard TEP supports

four input devices and one output

device. It also features 32K of

RAM (approximately 31K is

devoted to buffering). You can

expand the TEP with a 4-Port

Expansion Board that boosts the

number of slave devices to eight.

In addition, an optional 32K-

Memory Expansion can double

the device’s memory to 64 KB.

If your application calls for

more than eight slave ports, you

can cascade multiple devices

simply by running the slave port of

one unit to the master port of

another. This cascading method

gives you three layers of TEPs

from a main TEP—for a maximum

of 4096 slave ports.

The TEP lets you clearly

identify lines of data with user-

programmable labels, too. A

012345678PWR

STATUS

TERMINAL ELIMINATOR

PLUS

Now you can monitor an entire

system from one location.

KeyFeatures

TERMINALELIMINATORPLUS(TEP)

variety of format options makes it

easy to distinguish data from

different devices on the screen.

The device includes five

operation modes:

Concentrate

The TEP stores slave data in the

buffer until it matches a user-

programmable record description.

Then it’s transmitted out of the

master port on a round-robin

basis.

Broadcast Only

Lets you broadcast messages

from the master port to all

connected slaves.

Concentrate & Broadcast

Sends data in the Concentrate

mode from the slaves to the

master port. Also broadcasts data

from the master port to all

connected slaves.

Conversation

Lets you communicate inter-

actively with an individual slave.

Transparent Conversation

Lets you communicate

interactively with an individual

slave—without stripping or

inserting data into the data

stream.

The TEP works best in

applications where most of the

operator’s console is devoted to

output-log-message and status

reporting—with an occasional

need for interactive responses

from the keyboard.

Our expert Technical Support

staff can custom program your

TEP. They’ll be happy to tailor the

device to fit your particular

multiport async application.

An optional rackmount kit

keeps the TEP out of sight. Other

features include 10 LEDs for easy

monitoring and speeds that range

from 110 to 19,200 bps.

• Concentrate console output from multiple mainframes in a large

computer center to one operator’s console.

• Poll or concentrate output from other devices—bar-code readers,

scales, or security systems—to a master PC.

TypicalApplications

Speed: 110-19,200 bps

Flow Control: Software or hardware

Data Format: 7 or 8 data bits; odd,

even, or no parity

Pins Supported: 2, 3, 5, 7, and 20

Interface: RS-232/V.24 async,

DTE/DCE selectable

Indicators: (10) LEDs: (1) Power,

(9) Port Activity

Connectors: (1) DB25S female

Operating Mode: Full duplex

Protocol: Asynchronous

Internal Memory: 31-KB buffer,

expandable to 59 KB

Power:

For 115-VAC, 60-Hz operation:

From wallmount power supply:

Optimal Input: 115 VAC,

60 Hz @175 mA;

Output: 18 VAC CT @2.2A;

For 230-VAC, 50-Hz operation:

From wallmount power supply:

Optimal Input: 230 VAC,

50 Hz @90 mA;

Output: 18 VAC CT @ 22A

Size: 2.5"H x 12.1"W x 11.1"D

(6.4 x 30.7 x 28.2 cm)

Weight:

4-Port Unit: 8.7 lb. (3.9 kg);

With Expansion Board: 9.3 lb.

(4.2 kg) including transformer

Installing your Terminal Eliminator

Plus involves four easy steps:

1.Setting the internal DIP

switches.

2.Configuring the DTE/DCE

shunt jumpers.

3.Connecting your devices to

the slave ports and master

port.

4.Connecting the TEP to

electric power.

The TEP uses a dynamic

buffer. Each input device is given

a minimum of 1K of RAM reserved

exclusively for that port, so a

single port cannot monopolize all

of the TEP’s space. The remaining

memory is distributed among all

active ports according to the

current demand.

There are a total of 10 LEDs on

your TEP’s front panel—nine

Port-Status LEDs (numbered 0-8)

and one Power LED. The Power

LED lights up when the TEP is on.

Each Port-Status LED will flash or

blink if the corresponding port is

transmitting or receiving data. The

LED will be steadily lit if there’s a

buffer overflow on the

corresponding port. It will remain

dark if there’s no data activity on

the corresponding port. On

standard units without a 4-Port

Expansion Board, LEDs 5-9 will

remain dark.

TechnicallySpeaking

Specifications

Ordering Information

ITEM CODE

Terminal Eliminator Plus.......................................TL482A-R3

4-Port Expansion Board ............................................TL483-C

32K Memory Expansion.................................................TL484

Rackmount Kit..................................................................TL486

One terminal gives you

access to all the mainframes

in your computer center.

Console

(Terminal)

Terminal

Eliminator Plus

Mainframes

Indice

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