Black Box MX511A Manual de usuario

Connects up to eight

asynchronous devices.

Uses existing RJ-11

wiring.

Installs easily with

RJ-11 adapters.

Transformer isolation

protects your data.

Sends data up to 6000

feet using 24 AWG

wire.

Internal line-

equalization jumpers

can be set to get the

best performance out

of the communication

line.

he Local TDM-8 multiplexes

data up to 6000 feet to or from

eight local async devices.

This mux features built-in

surge protection, Alternate Mark

Inversion (AMI) encoding to flag

potential line problems, and line-

equalization jumpers to make sure

that your multiplexors are

synchronized.

Establish eight independent links.

Each link can run at speeds up

to 9600 bps. The composite

channel sends data at 671 kbps.

Why pay for expensive cabling?

Low-cost 4-wire, 2-twisted-

pair cabling is all you need to

provide the link between two

Local TDM-8s.

No more equipment to buy.

The Local TDM-8 has built-in

high-performance line-driver

circuitry. There’s no need for you

to spend money on additional line

LOCAL TDM-8

PWR SYNC

LOSS

A multiplexor and line driver

in one low-cost unit.

KeyFeatures

LOCALTDM-8

drivers or modems, or to access

your local telephone company, to

complete your system.

Installation is quick and easy.

The Local TDM-8 is small

enough to put almost anywhere.

The RJ-11 connectors make

installation convenient and

uncomplicated.

Fine-tune the Local TDM-8 for

optimum transmission-line

performance.

Line-equalization jumpers can

be set for different composite line

lengths to compensate for various

impedances.

Isolation transformers provide

built-in surge protection.

Any differences in ground

potential from building to building

are eliminated. Common-mode

noise differences are also

rejected.

Minimizes EMI/RFI.

The metal enclosure prevents

electromagnetic interference and

radio-frequency interference

(EMI/RFI) emissions from

interfering with other devices

located nearby.

RJ-11 adapters simplify

connections.

The adapters will take a DTE

or DCE device having a male or

female DB25 connector and

convert the connection to an RJ-

11 connector. Now all you need is

four-wire cable with RJ-11

connectors can now be easily

installed between your devices

and the Local TDM-8.

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.

11/2/2005 #10896

• (1) Local TDM-8

• (1) User’s manual

• (1) Power supply

Multiplexor Type — Time-division

Composite Interface — Alternate

Mark Inversion (AMI),

transformer coupled

Speed —

Composite: 671 kbps;

Channel: 0 to 9600 bps, each port

transparent to data

Channel Capacity — 8

Data Format — Asynchronous

Maximum Transmission Distance

—6000 feet (1.83 km) over

24 AWG cable

Diagnostics — Bidirectional

Loopback

Enclosure — Metal

Connectors — Sub-channels:

(8) RJ-11 female;

Composite: (1) RJ-11 female

Indicators — (2) LEDs: SYNC LOSS

(data synchronization lost) and

PWR (power)

Power Supply — 115 VAC, 60 Hz,

wallmount

Power Consumption — 3.3 watts

Size — 1.5"H x 6.5"W x 8.5"D

(3.8 x 16.5 x 21.6 cm)

Weight — Unit only: 2.46 lb.

(1.12 kg);

Unit with power supply: 3.26 lb.

(1.48 kg)

What’sIncluded

Specifications

Ordering Information

ITEM CODE

Local TDM-8................................................................MX511A

RJ-11 Adapter Kit (male) ...............................................FA252

RJ-11 Adapter Kit (female) ...........................................FA253

NOTE: The Local TDM-8 must be used in pairs.

Printer

Async Computer

Minicomputer

Plotter

(Up to 8 Async

Devices)

Modular RJ-11

Cable

4-Wire Twisted-Pair

Cable

IBM PC

(Up to 8 async

devices)

Bar Code Reader

Async Terminal

IBM®PC

Adapters

Wallplates

2 Twisted Pairs (Up

to 6000 feet)

Async Terminals

Serial Printers

RJ-11 Cables

Local TDM-8

Local TDM-8 Local TDM-8

Async Host

Install an RJ-11 adapter on each async channel device and use modular RJ-11 cables to connect the devices to

the local TDM-8. Equipment can easily be removed or added.

Uptoeightdevicescanaccessahostcomputer.

MultiplexuptoeightdevicesoneachLocalTDM-8.

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