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USER
MANUAL

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

Part# 07M1004A-C
Doc# 047031UC
Revised 4/15/97

MODEL 1004A

High Speed, Multipoint
Short Range Modem

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 BABT and 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.

C E R T I F I E D

An ISO-9001

Certified Company

Summary of Contents for 1004A

Page 1: ...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 to...

Page 2: ...rules which are designed to provide reasonable protection from such interference in a commercial installation However there is no guarantee that interference will not occur in a particular installatio...

Page 3: ...data rates 1 2 Kbps 19 AWG twisted pair The Model 1004A can handle up to 50 terminal drops in a multipoint polling environment For RS 485 and serial printer applications requiring hardware handshakin...

Page 4: ...ction If you have additional questions contact Technical Support at 301 975 1000 Note Switches S1 1 S1 2 should be switched simultaneously Switches S1 7 S1 8 should also be switched simultaneously S1...

Page 5: ...the impedance of the input receiver You may select either a low impedance of 120 Ohms or a high impedance of 16 kOhms By selecting the proper impedance for each drop there may be up to 50 receivers i...

Page 6: ...you to connect one or two pairs of bare wires to the Model 1004A you will need to open the case to access the terminal blocks The following instructions will tell you how to open the case connect the...

Page 7: ...ct our technical support We have strain relief assemblies to accommodate most cable diameters RCV G XMT RCV G XMT 10 Insert the strain relief assembly and wire into the slot in the bottom half of the...

Page 8: ...nnection to ground is optional RJ 45 Cable 4 Wire SIGNAL PIN PIN SIGNAL GND 2 7 GND RCV 3 5 XMT XMT 4 6 RCV XMT 5 3 RCV RCV 6 4 XMT GND 7 2 GND RJ 11 Cable 2 Wire SIGNAL PIN PIN SIGNAL XMT 3 3 XMT XMT...

Page 9: ...ver cable wiring instructions and straight through cables between the slaves 4 3 CONNECTION TO THE RS 232 INTERFACE Once you have properly configured the Model 1004A and connected the twisted pair wir...

Page 10: ...0W power dissipation at 1 mS Power Draws operating power from RS 232 data and control signals no AC power or batteries required Temperature 0 to 50 C Humidity 5 to 95 non condensing Size 2 66 x 2 10 x...

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