Black Box MDR24x Manual de usuario

MDR24x Wireless 2.4GHz Modem

User’s Manual

Version 1.1

1000 Park Drive – Lawrence, PA 15055-1018

Website: www.blackbox.com Email: [email protected]

Order Toll Free in the US: Call 877-877-BBOX (Outside the US call 724-746-5500)

Document Information

10/26/2006 2

Information

The information contained in this manual and the accompanying

software programs are copyrighted and all rights are reserved by

BLACK BOX, Inc. BLACK BOX, Inc. reserves the right to make

periodic modifications of this product without obligation to notify

any person or entity of such revision. Copying, duplicating, selling, or otherwise

distributing any part of this product without the prior consent of an authorized

representative of BLACK BOX, Inc. is prohibited.

All brands and product names in this publication are registered

trademarks or trademarks of their respective holders.

This material is preliminary

Information furnished by BLACK BOX in this specification is believed to be accurate. Devices sold

by BLACK BOX are covered by the warranty and patent indemnification provisions appearing in its

Terms of Sale only. BLACK BOX makes no warranty, express, statutory, and implied or by

description, regarding the information set forth herein. BLACK BOX reserves the right to change

specifications at any time and without notice.

BLACK BOX products are intended for use in normal commercial applications. Applications

requiring extended temperature range or unusual environmental requirements such as military,

medical life-support or life-sustaining equipment are specifically not recommended without

additional testing for such application.

Limited Warranty

For a period of one (1) year from the date of purchase, BLACK BOX warrants the transceiver

against defects in materials and workmanship. BLACK BOX will not honor this warranty (and this

warranty will be automatically void) if there has been any:

(1) Tampering, signs of tampering, or opening the transceiver’s case.

(2) Use of AC power adapters and cables other than those originally supplied with the

transceivers.

(3) Repair or attempt to repair by anyone other than an BLACK BOX authorized

technician.

This warranty does not cover and BLACK BOX will not be liable for, any damage or failure caused

by misuse, abuse, acts of God, accidents, electrical irregularity, or other causes beyond BLACK

BOX control, or claim by other than the original purchaser.

FCC Information

10/26/2006 3

FCC Notice

RF Exposure/Installation Instructions

WARNING: This device complies with Part 15 of the FCC Rules. Operation is subject to

the following two conditions: (1) This device may not cause harmful

interference and (2) This device must accept any interference received,

including interference that may cause undesired operation.

WARNING: To satisfy FCC RF exposure requirements for mobile transmitting devices,

this equipment must be professionally installed such that the end user is

prevented from replacing the antenna with a non-approved antenna. The

end user should also be prevented from being within 20cm of the antenna

during normal use with the exception of hands, feet, wrists and ankles.

The preceding statement must be included as a CAUTION statement in

manuals for OEM products to alert users on FCC RF Exposure compliance.

Caution: Any change or modification not expressly approved by Black Box

could void the user’s authority to operate the equipment.

Table of Contents

10/26/2006 4

USER’S MANUAL........................................................................................... 1

1. MDR24X RF TRANSCEIVER................................................................................ 5

1.1 OVERVIEW........................................................................................................... 5

1.2 MDR24X SPECIFICATION.................................................................................... 6

1.3 MDR24X INTERFACE.......................................................................................... 7

2. INTERFACING PROTOCOL.............................................................................. 10

2.1 RS-232 .............................................................................................................. 11

2.2 RS-485 (2-WIRE HALF DUPLEX)........................................................................ 12

2.3 HARDWARE FLOW CONTROL ............................................................................. 13

3. NETWORK TOPOLOGIES ................................................................................. 14

3.1 POINT-TO-POINT ................................................................................................ 14

3.2 POINT-TO-MULTIPOINT...................................................................................... 14

4. MDR24X CONFIGURATION UTILITY SOFTWARE ....................................15

4.1 INSTALLATION ................................................................................................... 15

4.2 MDR24X SETTINGS .................................... ERROR!BOOKMARK NOT DEFINED.

4.2.1 ConnexLink Settings.................................................................................. 15

4.2.2 Optional Settings....................................................................................... 16

4.2.3 PC Settings................................................................................................ 16

4.2.4 Additional Features .................................................................................. 16

4.3 PROGRAMMING THE MDR24X UNITS................................................................ 18

5. TROUBLESHOOTING......................................................................................... 19

Figures

Figure 1- RS-232/RS-485 MDR24X Front View............................................................ 7

Figure 2- RS-232 MDR24X Back View .......................................................................... 8

Figure 3- RS-485 MDR24X Back View .......................................................................... 8

Figure 4- MDR24X Mechanical Diagram ...................................................................... 9

Figure 5- RS-232 Male/Female Connector Pin out ................................................... 11

Figure 6- DCE to DTE Interface.................................................................................... 11

Figure 7- DCE to DCE Interface................................................................................... 12

Figure 8- Point-to-Point Network.................................................................................. 14

Figure 9- Multiple Networks of Point-to-Multipoint MDR24Xs ................................. 14

Tables

Table 1 – DTE, DCE and Null Modem Signal Definitions......................................... 10

MDR24X User’s Manual

10/26/2006 5

1. MDR24X RF Transceiver

The MDR24X transceiver is a Frequency-Hopping Spread Spectrum (FHSS) radio designed for

license-free operation in the 2.4GHz ISM band. Out-of-the box, the radio sustains a standard

asynchronous serial data stream between two or more radios. Housed in a compact and rugged

die-cast enclosure, the radio is equipped to replace thousands of meters of serial cable with its

wireless link. The radio features an RS-232 or RS-485 interface for integration into legacy data

systems.

Features

9Durable Industrial grade enclosure

9Transparent operation, supports any legacy system

9Transmits around corners, through walls

9Reliable communication up to 115.2Kbps

1.1

Overview

The MDR24X uses Frequency Hopping Spread Spectrum modulation, where the units “hop”

from frequency to frequency many times per second using a specific hop pattern applied to all

the transceivers in the same network. A distinct hopping pattern is provided for each Channel

Number, thereby allowing multiple networks to co-exist in the same area without interference.

MDR24X transceivers operate in a Point-to-Point or Point-to-Multipoint, Client-Server or Peer-to-

Peer architecture. One transceiver is configured as a Server and there can be one or many

Clients. To establish synchronization between transceivers, the Server emits a beacon. Upon

detecting a beacon, a Client transceiver informs its Host and a RF link is established.

MDR24Xs implement a proprietary communication protocol to provide secure data

transmissions. Using FHSS technology, the data remains reliable over long distances. The use

of license free frequency bands ensures that the units are ready to use with no further

certification requirements.

Each unit is small and easily portable for use in mobile and temporary settings as well as for fixed

installations. The MDR24X configuration software enables custom configurations based on

unique application requirements.

MDR24X User’s Manual

10/26/2006 6

1.2

MDR24X Specification

Specifications MDR24X

TRANSCEIVER PERFORMANCE

Output power (w/ 3dBi antenna) 100mW

Transmission range Up to 500 feet (450m) indoors; Up to 1 mile (1.6 km) line-of-sight

Data rate Up to 115.2 Kbps

RF Data Rate 576kbps fixed

Receiver Sensitivity -100dBm typical @ 576kbps RF Data Rate

Power Consumption (@ 12 Vdc) 102mA (50% Transmit/Receive duty cycle)

Configuration software Easy-to-use Windows based software

NETWORKING AND SECURITY

Frequency band, RF Technology 2402 – 2478MHz, FHSS

Supported Network Topologies Point-to-Point, Point-to-Multipoint

Channels 40 US/Canada/Europe, 20 France

Security One byte System ID

ANTENNA

RF Connector RPSMA Jack

e 1/2 Wave Di

ole

ELECTRICAL

Electrical requirements Line voltage 100 – 120V (240V outside US);

Power supply 6-foot cable, AC power connector

ENVIRONMENTAL

Environmental conditions Operating temperature -40° to +80°C; 10% to 90% humidity (non-condensing)

PHYSICAL

Dimensions 4.4 x 2.7 x 1.4 inches

Weight 6 oz (170 g)

Serial Connector DB-9 Male (RS-232), Terminal Block (RS-485)

Power Jack Dimensions 0.100” diameter pin with 0.250” diameter opening. Center positive.

Serial Cord length 6 feet (183 cm)

MDR24X User’s Manual

10/26/2006 7

1.3

MDR24X Interface

MDR24X transceivers support RS-232/ RS-485 (2-wire Half Duplex) protocols. In a cabled

environment, the RS-485 protocol can tolerate high noise and push signals over long cable

lengths. RS-485 cabling can also communicate as far as 4000 feet (1200m) and offer multi-drop

capability where up to 32 nodes can be connected. RS-232 cabling is suitable for distances less

than 100 feet (30.5m) and only supports point-to-point communications. MDR24X transceivers

offer performance improvements over a standard cabled link. Distance and multipoint

communications are greatly enhanced. A selection of RS-232/RS-485 can be made when

ordering the MDR24Xs.

Figure 1- MDR24X Front View

MDR24X Status LEDs

LED Color Description

Pwr Green On indicates that the unit is powered up.

Link Red

On indicates the Client unit(s) and Server unit are in range of one

another. Link LED remains activated on Server units. Client units

activate the Link LED when in range of the Server unit.

Rx Green When flashing, LED indicates MDR24X unit is receiving data.

Tx Red When and flashing, LED indicates MDR24X unit is sending data.

RPSMA Antenna Connector

Status LEDs

Pwr Link Rx Tx

MDR24X User’s Manual

10/26/2006 8

RS-232 Pin Assignments

Figure 2- MDR242A Back View

RS-485 (2-wire Half Duplex) Terminal Block Pin Assignments

Figure 3- MDR244A Back View

Note: Standard power is applied through the power connector. Alternative power is available via

the terminal block pins.

Pin Description

Input /

Output

1 DCD O

2TxD O

3RxD I

4DSR O

5GND

6DTR I

7CTS O

8RTS I

9 RI O

Pin Description

(

–

18V

)(

125 mA max

)

2 485-

(

485B

)

3 No Connect

4 No Connect

5 485+

(

485A

)

6GND

Power Connector

Terminal Block

Power ConnectorDB9 Male Connector

MDR24X User’s Manual

10/26/2006 9

MDR24X Mechanical Diagram

Figure 4- MDR24X Mechanical Diagram

0.000

0.250

Antenna Connector

SMA Jack, Reverse Polarity

0.000

0.375

0.000

0.536

0.060

9 Pin Male D-Connector

Power Jack w/ 0.100 dia. pin and

0.250 opening, pin is PWR.

0.538

2.375

2.750

4.500

4.750

2.000

0.150 dia. mounting holes

(4) places

1.170

0.565

4.185

Status LEDs

Label Recess, 3.5w x 2.0h

Side View

Top View

Note: All dimension in inches unless noted

Pwr Link Rx Tx

MDR24X User’s Manual

10/26/2006 10

2. Interfacing Protocol

The MDR24X is a DCE (Data Communications Equipment). A DCE can be interfaced to a DTE

using a straight through serial cable (the serial cable provided with the MDR24X is a straight

through cable). Typically, PC’s are defined as a DTE and peripherals are defined as DCE. To

interface a DCE with another DCE, or a DTE with another DTE, a null modem (or a Crossover)

cable is required. The null modem simply swaps pins to convert a DCE to a DTE and vice-versa.

A null modem cable can be provided with the MDR24X on request.

The MDR24X transceivers support the following interface protocols

•RS-232

•RS-485 (2-wire) Half Duplex

Table 1 – DTE, DCE and Null Modem Signal Definitions

DCE Pin

Number

DCE Signal

Name

DCE

Direction

DTE Pin

Number

DTE Signal

Name

DTE

Direction

Null Modem

Female DB9

Null Modem

Male DB9

1 DCD O 1 DCD I 1 NC

2 TXD O 2 RXD I 2 3

3 RXD I 3 TXD O 3 2

4 DTR I 4 DTR O 4 6

5 GND 5 GND 5 5

6 DSR O 6 DSR I 6 4

7 RTS I 7 RTS O 7 8

8 CTS O 8 CTS I 8 7

9 RI O 9 RI I 9 NC

Tabla de contenidos

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