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CUSTOMER

SUPPORT

INFORMATION

Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX
FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: [email protected]

FEBRUARY 2000

MDR100A-R4

MDR151-0050-R2

MDR100AE-R4

MDR151-0100-R2

MDR100AE-AUS

MDR152-0025-R3

MD3310-R2

MDR152-0050-R3

MD3311-R2

MDR152-0100-R3

MDR151-0010-R2

MDR153

MDR151-0025-R2

MDR154

Industrial Modem RF115

RS-485 RF Modem Modules

Optional RF Antennas

P C

I O

ANT

ENN

A

12V

DC

Industrial Modem RF 1

15

NC

RTS

CTS

NC

CO

DO

DI

NC

GD

RS-232

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Summary of Contents for MD3310-R2

Page 1: ...1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746 Copyright 2000 Black Box Corporation All rights reserved...

Page 2: ...n 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox com E mail info blackbox com FEBRUARY 2000 MDR100A R4 MDR151 0050 R2 MDR100AE R4 MDR151 0100 R2 MDR100AE AUS MDR152 0025 R3 MD3310 R2 MDR...

Page 3: ......

Page 4: ...ademarks of Microsoft Corporation pcANYWHERE is a registered trademark of Dynamic Microprocessor Associates Inc UL is a registered trademark of Underwriters Laboratories Incorporated Any other tradema...

Page 5: ...equipment is operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take...

Page 6: ...ato el ctrico debe ser montado a la pared o al techo s lo como sea recomendado por el fabricante 8 Servicio El usuario no debe intentar dar servicio al equipo el ctrico m s all a lo descrito en las in...

Page 7: ...istir una antena externa deber ser localizada lejos de las lineas de energia 16 El cable de corriente deber ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo 17 Cuidado...

Page 8: ...asterSync Mode 26 7 Baud Rate Selections 29 8 Call Book Selections 30 8 1 Entering or Modifying Numbers in the Call Book 31 8 2 Programming the Call Book in Multipoint Systems 32 9 Radio Transmission...

Page 9: ...n Type Spread Spectrum GFSK Spreading Code Frequency Hopping Hop Patterns 15 user selectable Output Power 0 1 to 1 watt selectable Error Detection 32 bit CRC with packet retransmit Antenna 3 inch whip...

Page 10: ...ter provided Power Consumption 180 mA Transmit 100 mA Receive 120 mA Average Input Power MDR100A R4 120 VAC 60 Hz 16W MDR100AE R4 MDR100AE AUS 230 VAC 50 Hz 110 mA Output Power MDR100A R4 12 VDC 800 m...

Page 11: ...ions requirements The modem can operate in virtually any environment where you would use normal RS 232 data communications A pair of these modems works as a 9 pin null modem cable If you use the modem...

Page 12: ...rectional with Bracket Mount with 10 ft cable MDR151 0010 R2 Omnidirectional with Bracket Mount with 25 ft cable MDR151 0025 R2 Omnidirectional with Bracket Mount with 50 ft cable MDR151 0050 R2 Omnid...

Page 13: ...y the data rate between the modem and the instrument to which it is attached The baud rate does not have to be the same for the two modems 3 Verify that the RS 232 connector on the cable supplied will...

Page 14: ...he modem While any terminal that can be set to 19 200 baud will work all examples for this manual were generated using the Terminal application from Microsoft Windows 3 1 Table 4 1 Setup Menu Terminal...

Page 15: ...ption is used to designate whether the modem will be a master or a slave You need one master and at least one slave in any setup In a point to point setup either the master or slave may be used on eit...

Page 16: ...all Book 3 Edit Radio Transmission Characteristics 4 Show Radio Statistics 5 Edit MultiPoint Parameters Esc Exit Setup Enter Choice 0 SET MODEM MODE Modem Mode is 2 0 Point to Point Master 1 Point to...

Page 17: ...slave the modem will communicate with any master in its Call Book either directly or through one or two repeaters When functioning as a slave the entry to call feature in the modem s Call Book is not...

Page 18: ...k significantly extending the operating range When designated as a repeater a modem behaves as a pass through link All settings for the call book baud rate and radio transmission characteristics are d...

Page 19: ...les may be used that allow any of the modem s settings to be changed upon execution of that file This in turn allows the user to establish pushbutton command sets that will instruct the modem to call...

Page 20: ...nnection under advanced host PC settings This script file will allow any of the parameters shown in Table 5 2 to be changed and will program the modem to call the appropriate entry in its Call Book Fi...

Page 21: ...the baud rate on the modem might be different from the data rate set on pcANYWHERE The word Connect will appear when the modem has established connection to the slave or the first repeater if appropr...

Page 22: ...n receipt of this command the modem will call that modem even though the number is not in the sending modem s Call Book The modem will use the repeater s specified in the Call Book This means it is no...

Page 23: ...sing the reset button To do this 1 Enter a new entry under Call Online Service such as RF115 Setup 2 Establish a hardware setup entry for the modem with the settings shown in Table 5 3 on the next pag...

Page 24: ...ntrol RTS CTS Parity None Advanced Settings Connection Started by Calling PC Always Connected Connection Ended by Calling PC Always Connected Connection Started by Host PC Carrier Detect Connection En...

Page 25: ...data at greater levels then fewer slaves may be connected to the master the overall system will be closer to capacity with fewer slaves The theoretical limit of a multipoint system is influenced by th...

Page 26: ...er between slaves This is addressed through parameters 2 Max Slave Retry and 3 Retry Odds The Max Slave Retry setting defines how many times 0 to 9 the slave will attempt to retransmit a packet to the...

Page 27: ...more information on parameter 8 MultiMasterSync Mode see Section 6 3 Parameter 9 1 PPS Enable Delay is an invalid parameter and should not be used Figure 6 1 Multipoint Parameters Terminal TERMINAL TR...

Page 28: ...out having to add the new repeaters addresses in the slave call books As soon as you set the new repeaters to the system s Network ID they would be ready to install When setting up the Network ID note...

Page 29: ...identically on all modems in the system These parameters are found in submenu 3 Radio Transmission Characteristics For example the min max factory default setting is 2 for the minimum and 9 for the m...

Page 30: ...ission Characteristics 4 Show Radio Statistics 5 Edit MultiPoint Parameters 6 TDMA Menu Esc Exit Setup Enter Choice 3 RADIO PARAMETERS WARNING Do not change parameters without reading manual 0 FreqKey...

Page 31: ...2 Edit Call Boook 3 Edit Radio Transmission Characteristics 4 Show Radio Statistics 5 Edit MultiPoint Parameters 6 TDMA Menu Esc Exit Setup Enter Choice 5 MULTIPOINT PARAMETERS WARNING Do not change...

Page 32: ...nd the modem on the computer might be set to 57 600 or 115 200 Set the baud rate to the highest level supported by the device to which it is connected However this may actually result in slower data c...

Page 33: ...1 the Call Book allows you to set up a list of up to 10 modems with which the modem can communicate designate up to 2 repeaters to be used in communicating with a given modem and tell the master whic...

Page 34: ...Fill the Call Book slots 0 9 sequentially beginning with 0 the first slot in the book Serial numbers do not need to be entered in numerical order however there must not be any 000 0000 numbers in the...

Page 35: ...ltipoint system made up of a master repeater and slave The slave can communicate either through the repeater or directly to the master Multipoint Master Call Book Unit Serial Number 5XX 0001 for examp...

Page 36: ...when in Multipoint mode see 4 RF Data Rate in this section While the settings may be modified for the slave s and or repeaters they will be overridden by the master s parameters Figure 9 1 The RF115...

Page 37: ...g pattern 1 Max Packet Size and 2 Min Packet Size Selections 1 and 2 allow the user to designate the size of the packets used by the modem in its communication link This may be of particular value whe...

Page 38: ...176 192 7 53 69 85 101 117 133 149 165 181 197 8 58 74 90 106 122 138 154 170 186 202 9 64 80 96 112 128 144 160 176 192 208 Table 9 3 Max Packet Size Settings RF Data Rate 3 Max Setting Min Setting...

Page 39: ...Data Rate The modem has two settings for the RF Data Rate not to be confused with the RS 232 Baud Rate Use Setting 2 when the modems are close together and you want to optimize data throughput Use Set...

Page 40: ...prevent unauthorized access 7 RTS to CTS Menu selection 7 in the Radio Parameters allows the RTS line pin 7 on the master modem to control the CTS line pin 8 of the Slave This pass through control can...

Page 41: ...o will look for its master without receiving a recognized packet after recognizing its master When a slave or repeater modem is powered up it will go into hunt mode When in hunt mode it will hunt for...

Page 42: ...eally noise levels should be below 30 and the difference between the average signal level and average noise level should be 15 or more High noise levels tend to indicate other sources of RF interferen...

Page 43: ...e lengths ranging from 10 to 100 feet When using an external antenna placement of that antenna is critical to a solid data link Other antennas in close proximity are a potential source of interference...

Page 44: ...oint mode all of the modems in the system will have their carriers on when a communications link is established In multipoint mode the master s carrier will only come on when a slave or repeater is br...

Page 45: ...onal and directional external antennas These antennas allow versatility in the modem s deployment extending its range and allowing it to get around obstructions Please contact Technical Support if you...

Page 46: ...Assignments 13 RS 232 Pin Assignments Table 13 1 RS 232 Pin Assignments Pin Assignment 1 Carrier Detect 2 Transmit Data 3 Receive Data 4 Data Terminal Ready 5 Ground 6 Data Set Ready 7 Ready To Send...

Page 47: ...shown in Table 14 1 Table 14 1 Data Communications Parameter Settings Parameter Setting Baud Rate Match to the RF115 Data Bits 8 Parity None Stop Bits 1 Parity Check None Off Carrier Detect None Off...

Page 48: ...Figure 15 1 Master Communicating to a Slave in a Dedicated Link Figure 15 2 depicts how a link might be set up using a repeater The repeater may be sitting on a hilltop or other elevated structure to...

Page 49: ...d of the link Figure 15 3 Link with Two Repeaters Between the Master and Slave Figure 15 4 shows a setup where a master routinely calls a number of slaves at different times The master is communicatin...

Page 50: ...int system In this example any data sent from the master is broadcast to all three slaves one of which receives it through a multipoint repeater The data is in turn sent out of the RS 232 port of each...

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