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USER

MANUAL

MODEL 2703RC

MegaLink-1™ 

G.703/E1

Digital Modem:
Rack Mount Card

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

Part# 07M2703RC-C
Doc# 031121UC
Revised 10/12/98

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 communica-

tions 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, multi-
plexers, 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 fol-

lowing 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.

_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________

An ISO-9001

Certified Company

Summary of Contents for 2703RC

Page 1: ...l 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 sales patton com Support E mail support patton com Phone Sales 301 97...

Page 2: ...installation If the Model 2703RC does cause interference to radio or television reception which can be determined by turning the power off or removing the card the user is encouraged to try to correc...

Page 3: ...nal interface to be adapted to X 21 using a special DTE cable available from Patton The Model 2703RC is designed to mount in Patton s 2U high 16 slot rack chassis or 2 4 8 slot Cluster Boxes These hav...

Page 4: ...Switches S1 S8 The configuration switches on S1 S8 may be used to set data inversion the DTE bit rate and clocking modes Default settings of S1 through S8 are shown in the table below Descriptions of...

Page 5: ...d is marked THIS SIDE UP FOR V 35 on one side of the board other side 4 Plug the interface board into the 20 pin header socket with the appropriate interface pointed UP and with the arrow pointing tow...

Page 6: ...ermines whether clocks are common or separate Separate non synchronized clocks are used for the EIA 530 V 35 ter minal interface Common synchronized clocks are used for the X 21 terminal interface If...

Page 7: ...assis and provides diagrams for wiring the interface connections correctly 4 1 THE MODEL 1000R16 RACK CHASSIS The Model 1000R16 Rack Chassis Figure 6 below has sixteen device card slots plus its own p...

Page 8: ...and power card replacement information 4 2 INSTALLING THE MODEL 2703RC INTO THE CHASSIS The Model 2703RC is comprised of a front card and a rear card The two cards meet inside the rack chassis and plu...

Page 9: ...coax cables is isolated from system earth ground 4 4 CONNECTION TO THE TERMINAL DEVICE The Model 2703RC rear cards are wired as Data Circuit Terminating Equipment DCE and are designed to connect dire...

Page 10: ...in evaluating the operation of the local Model 2703RC Any data sent to the local Model 2703RC in this test mode will be echoed returned back to the user device For example char acters typed on the key...

Page 11: ...e 1000RPEM DC DC Rear Power Entry Module 1000RPSM 48A 48V Front Power Supply Module 1000RPEM V 120 240V CE Compliant Rear Power Entry Module 1000RPSM V 120 240V CE Compliant Front Power Supply Module...

Page 12: ...baluns electronic data switches data line surge protectors multiplex ers transceivers hubs print servers and much more We produce these prod ucts at our Gaithersburg MD USA facility and can custom ma...

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