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USER
MANUAL

MODEL 1012B

Asynchronous
Carrier Controlled Short
Range Modem

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

Part# 07M1012B 
Doc# 040061U,
Rev. B
Revised 1/22/08

An ISO-9001

Certified Company

Copyright © 2003

Patton Electronics Company

All rights reserved.

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:        

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.).

Please contact us and let us know how we may provide you with the

answers to your needs.

Thank you.

Burton A.Patton
Vice President

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

_________________________________________________________
_________________________________________________________

Summary of Contents for 1012B

Page 1: ...DEL 1012B Asynchronous Carrier Controlled Short Range Modem SALES OFFICE 301 975 1000 TECHNICAL SUPPORT 301 975 1007 http www patton com Part 07M1012B Doc 040061U Rev B Revised 1 22 08 An ISO 9001 Cer...

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Page 3: ...ve devices Typically the modem at the master site is set for constant carrier whereas the modems at the slave sites must be configured for controlled carrier Automatic equalization and gain control en...

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Page 5: ...set switch SW1 to DCE see Figure 3 This causes the Model 1012B to behave like data communications equipment 4 If the device connected to the Model 1012B is a modem or multiplexer or is wired like one...

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Page 7: ...must be unconditioned dry metallic wire unloaded between AWG 19 and 26 the higher number gauges may limit distance somewhat Standard dial up telephone circuits or leased circuits that run through sign...

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Page 9: ...T 5 RCV 5 XMT 6 GND 6 RCV 7 GND 8 N C Connection to ground is optional Crossover Cable Construction Connection of a 4 wire twisted pair circuit between two or more Model 1012Bs requires a crossover ca...

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Page 11: ...lave see Section 4 1 2 for crossover 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 1012B a...

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Page 13: ...odel 1012B 9 External Power To Model 1012B To Model 1012B Data Term Ready DTR 20 DIRECTION DCE STANDARD SETTING DIRECTION 1 FG Frame Ground 2 TD Transmit Data From Model 1012B 3 RD Receive Data To Mod...

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