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USER
MANUAL

MODEL 1090

High Speed Synchronous
Short Range Modem 

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

Part# 07M1090-B
Doc# 032011UB
Revised 5/26/98

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 BABT and 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.

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Summary of Contents for 1090

Page 1: ...like this product and how we can meet your product needs today and in the future Web http www patton com Sales E mail sales patton com Support E mail support patton com Phone Sales 301 975 1000 Phone...

Page 2: ...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 installation If the Model 1...

Page 3: ...ndicators Data integrity is enhanced by automatic equalization and gain control The Model 1090 also incorporates transformer isolation and surge protection to guard data and connected equipment agains...

Page 4: ...r Control The setting for switch S1 5 determines whether the carrier is constantly on or controlled by RTS This setting allows for operation in switched carrier or hardware handshaking applications S1...

Page 5: ...rface to the serial port and to the power source This section tells you how to make these connections 4 1 CONNECTION TO THE TWISTED PAIR INTERFACE The Model 1090 supports communication between two ter...

Page 6: ...the two thumbscrews and gently pull the module from the unit Apply equal force to the thumbscrews to keep the module straight during the removal process Installing the New QuickConnect Module 1 Make...

Page 7: ...d as a DCE Reverse the DCE DTE orientation by pulling the strap out of its socket rotating it 180 then plugging the strap back into the socket You will see that the DCE DTE arrows now point in the opp...

Page 8: ...odem Green indicates that the remote modem s carrier is being received 13 DTR Will glow green to indicate that the Data Terminal Ready signal from the terminal is active ER Will glow red to indicate t...

Page 9: ...ment indicates a fault and the Local Analog Loopback test was successful for both Model 1090s you may have a problem with the line between the Model 1090s You should inspect the line for proper connec...

Page 10: ...e link is in place and that the Model 1090 built in 511 generator and detector are working properly C This test can be done by one operator by first activating the local analog loop or remote digital...

Page 11: ...ions may cause a reduction in maximum distance obtainable Functionality should not be affected Many environmental factors can affect the maximum distances obtainable at a particular site Use the data...

Page 12: ...TC Test Control B 21 APPENDIX D 1092 INTERFACE PIN ASSIGNMENT DB 25F Connector DCE Pin Signal 1 FG Frame Ground 2 TD Transmit Data 3 RD Receive Data 4 RTS Request to Send 5 CTS Clear to Send 6 DSR Dat...

Page 13: ...ntrol A AA TC Test Control B APPENDIX D 1090 INTERFACE PIN ASSIGNMENT DB 25F Connector DCE X 21 Interface Pin Signal 1 FG Frame Ground 2 TD Transmit Data 3 RD Receive Data 4 RTS Request to Send 5 CTS...

Page 14: ...ta A 3 C Control A 4 R Receive Data A 5 I Indication A 6 S Signal Element Timing A 7 BT Byte Timing A 8 SGND Signal Ground 9 T Transmit Data B 10 C Control B 11 R Receive Data B 12 I Indication B 13 S...

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