2.3 External Connections and Circuit Assignments............................................................................................ 2–4
2.3.1 Front Panel Connectors...............................................................................................................................2–4
2.3.2 Circuit Assignments for Front Panel Connectors ....................................................................................... 2–5
2.3.4 Circuit Assignments for Rear Panel Connectors......................................................................................... 2–9
Overview of Changes to Previous Edition................................................................................................................iv
About this Manual .....................................................................................................................................................iv
Conventions and References....................................................................................................................................iv
Reporting Comments or Suggestions Concerning this Manual................................................................................ v
Low Voltage Directive (LVD).................................................................................................................................. v
Limitations of Warranty ..........................................................................................................................................vi
Exclusive Remedies................................................................................................................................................. vi
This manual provides installation and operation information for the EFData UB-54
breakout panel. This is a technical document int ended for ear th station engineers,
technicians, and operators responsible for the operation and maintenance of the UB-54.
Conventions and References
Cautions and Warnings
CAUTION indicates a hazardous situation that, if not avoided, may result in
minor or moderate injury. CAUTION may also be used to indicate other
CAUTION
unsafe practices or risks of property damage.
WARNING indicates a potentially hazardous situation that, if not avoided,
could result in death or serious injury.
WARNING
Metric Conversion
Metric conversion information is located on the inside back cover of this manual. This
information is provided to assi st the oper ato r in cross-referencing English to Met ric
conversions.
iv Rev. Field
Product Name Field Preface
Recommended Standard Designations
Recommended Standard (RS) Designations have been superseded by the new designation
of the Electronic Industries Association (EIA). References to the old designations are
shown only when depicting actual text displayed on the screen of the unit (RS-232, RS485, etc.). All other references in the manual will be shown with the EIA designations
(EIA-232, EIA-485, etc.) only.
Trademarks
Other product names mentioned in this manual may be trademarks or registered
trademarks of their respective companies and are hereby acknowledged.
Reporting Comments or Suggestions Concerning this Manual
Comments and suggestions regarding the content and design of this manual will be
appreciated. To submit comments, please contact the Comtech EFData Customer Support
Department.
Low Voltage Directive (LVD)
The following information is applicable for the European Low Voltage Directive
(EN60950):
<HAR>
!
International Symbols:
Symbol Definition Symbol Definition
Note:
For additional symbols, refer to “Cautions” listed earlier in this preface.
Applicable testing is routinely performed as a condition of manufacturing on all units to
ensure compliance with safety requirements of EN60950.
Type of power cord required for use in the European Community .
CAUTION: Double-pole/Neutral Fusing.
ACHTUNG: Zweipolige bzw. Neutralleiter-Sicherung.
Alternating Current.
Fuse.
Protective Earth.
Chassis Ground.
Rev. Field v
Preface Product Name Field
Warranty Policy
This Comtech EFData product is warranted against defects in material and workmanship
for a period of one year from the date of shipment. During the warranty period, Comtech
EFData will, at its option, repair or replace products that prove to be defective.
For equipment under warranty, the customer is responsible for freight to Comtech
EFData and all related custom, taxes, tariffs, insurance, etc. Comtech EFData is
responsible for the freight charges
the customer. Comtech EFData will return the equipment by the same method (i.e., Air,
Express, Surface) as the equipment was sent to Comtech EFData.
only
for return of the equipment from the factory to
Limitations of Warranty
The foregoing warranty shall not apply to defects resulting from improper installation or
maintenance, abuse, unauthorized modification, or operation outside of environmental
specifications for the product, or, for damages that occur due to improper repackaging of
equipment for return to Comtech EFData.
No other warranty is expressed or implied. Comtech EFData specifically disclaims the
implied warranties of merchantability and fitness for particular purpose.
Exclusive Remedies
The remedies provided herein are the buyer's sole and exclusive remedies. Comtech
EFData shall not be liable for any direct, indirect, special, incidental, or consequential
damages, whether based on contract, tort, or any other legal theory.
Disclaimer
Comtech EFData has reviewed this manual thoroughly in order that it will be an easy-touse guide to your equipment. All statements, technical information, and
recommendations in this manual and in any guides or related documents are believed
reliable, but the accuracy and completeness thereof are not guaranteed or warranted, and
they are not intended to be, nor should they be understood to be, representations or
warranties concerning the products described. Further, Comtech EFData reserves the
right to make changes in the specifications of the products described in this manual at any
time without notice and without obligation to notify any person of such changes.
If you have any questions regarding your equipment or the information in this manual,
please contact the Comtech EFData Customer Support Department.
vi Rev. Field
Chapter 1.
INTRODUCTION
1
The UB-54 (Figure 1- 1) functions as an 8-channel multiplexer (MUX) or 8-channel
demultiplexer (DEMUX) data breakout panel in one sm all, rack -mountable unit.
TRIB 1 DATA
1.1 Overview
The breakout panel is used to provide a convenient access to tributary data when an
8-channel MUX or 8-channel DEMUX is used.
Major UB-54 features include:
TRIB 2 DAT ATRIB 3 DAT ATRIB 4 DA T ATRIB 5 DA TATRIB 6 DAT A
J3
Figure 1-1. UB-54 Breakout Panel
Breakout of the 100-pin, 8-channel MUX interface connector through nine
•
standard 15-pin D connectors (8 tributary connectors plus 1 auxiliary circuit
connector). Refer to the SDM-300 Satellite Modem Installation and
Operation manual for more information.
Breakout of the three rear panel 25-pin D 8 channel DEMUX interface
•
connectors through nine standard 15-pin D connectors (8 tributary
connectors plus 1 auxiliary circuit connector). Refer to the SDR-54 Satellite
Demodulator Installation and Operation manual for more information.
J5J6
TRIB 7 DATA
TRIB 8 DATAAUX
UB-54
BREAKOUT
MUX / DEMUX
J9J8J7J4J1J2
Rev. 1 1–1
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