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USER
MANUAL

MODEL 2089

Ultra-miniature,  DB-9
EIA/TIA-574 to RS-485
Interface Converter

SALES OFFICE
(301) 975-1000
TECHNICAL SUPPORT
(301) 975-1007
http://www.patton.com

Part# 07M2089-E
Doc# 047043U,
Rev. F
Revised 1/22/08

C E R T I F I E D

An ISO-9001

Certified Company

Dear Valued Customer,

Thank you for purchasing Patton Electronics products!   We do appreciate

your business.  I trust that you find this user manual helpful.  

We manufacture one of the widest selections of data communications

products in the world including CSU/DSU's, network termination units,
powered and self-powered short range modems, fiber optic modems, interface
converters, baluns, electronic data switches, data-line surge protectors,
multiplexers, transceivers, hubs, print servers and much more.  We produce
these products at our Gaithersburg, MD, USA, facility, and can custom
manufacture products for your unique needs.

We would like to hear from you.  Please contact us in any of the following

ways to tell us how you like this product and how we can meet your product
needs today and in the future.  

Web:               

http://www.patton.com

Sales E-mail:      

[email protected]

Support E-mail:    [email protected]
Phone - Sales      

(301) 975-1000

Phone - Support  

(301) 975-1007

Fax:                   

(301) 869-9293

Mail:               

Patton Electronics Company
7622 Rickenbacker Drive
Gaithersburg, MD  20879   USA

We are committed to a quality product at a quality price.  Patton

Electronics is ISO 9001 certified.  We meet and exceed the highest standards
in the industry (CE, UL, etc.).

It is our business to serve you.  If you are not  satisfied with any aspect of

this product or the service provided from Patton Electronics or its distributors,
please let us know.  

Thank you.

Burton A.Patton
Vice President

P.S.  Please tell us where you purchased this product.

Summary of Contents for 2089

Page 1: ...iniature DB 9 EIA TIA 574 to RS 485 Interface Converter SALES OFFICE 301 975 1000 TECHNICAL SUPPORT 301 975 1007 http www patton com Part 07M2089 E Doc 047043U Rev F Revised 1 22 08 C E R T I F I E D...

Page 2: ...used properly that is in strict accordance with the manufacturer s instructions may cause interference to radio and television reception The Model 2089 has been tested and found to comply with the lim...

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Page 4: ...45 Silicon Avalanche Diode surge protection 2 2 DESCRIPTION The Model 2089 EIA TIA 574 to RS 485 interface converter provides exceptional versatility in an ultra miniature package Requiring no AC pow...

Page 5: ......

Page 6: ...nd S2 are marked with individual switch numbers 1 thru 4 Use these numbers as well as the ON designation to orient the switch properly see Figure 4 below Use a small screw driver or similar instrument...

Page 7: ......

Page 8: ...s the amount of delay between the time the Model 2089 sees RTS and when it sends CTS Note RTS CTS Delay setting should be based upon transmission timing S2 2 Setting On 8 mSec Off no delay S2 3 and S2...

Page 9: ......

Page 10: ...onditioned dry metallic wire between 19 and 26 AWG the higher number gauges may limit distance Standard dial up telephone circuits or leased circuits that run through signal equalization equipment are...

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Page 12: ...irmly If your cable diameter is too small or too large for our strain relief please contact our technical support We have strain relief assemblies to accommodate most cable diameters 9 Insert the stra...

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Page 14: ...RJ 11 Cable 4 Wire SIGNAL PIN PIN SIGNAL GND 1 6 GND RCV 2 4 XMT XMT 3 5 RCV XMT 4 2 RCV RCV 5 3 XMT GND 6 1 GND Connection to ground is optional RJ 45 Cable 4 Wire SIGNAL PIN PIN SIGNAL GND 2 7 GND...

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Page 16: ...the ground connection is not needed 4 2 2 DAISY CHAIN TOPOLOGY Using a daisy chain topology you may connect several Model 2089s together in a master slave arrangement Maximum distance between the uni...

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Page 18: ...S Surge Protection 600W power dissipation at 1 mS Power Draws operating power from EIA TIA 574 data and control signals no AC power or batteries required If necessary 6 12 VDC can be applied to pin 9...

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