Radyne RCS20 User manual

RCS20
M:N Redundancy Switch
Installation and Operation Manual
TM056
Rev. 2.3
-NOTICE -
2003, Radyne ComStream, Inc. This manual
may not in whole or in part be copied,
reproduced, translated or reduced to any
electronic or magnetic storage medium without
the written consent of a duly authorized officer of
Radyne ComStream, Inc.
Radyne ComStream, Inc. •3138 E. Elwood St. •Phoenix, AZ 85034 •[phone] •Fax: [phone]

RCS20 M:N Redundancy Switch Warranty Policy
TM056 –Rev. 2.3 iii
Warranty Policy
Radyne ComStream, Inc. (Seller) warrants the items manufactured and sold by Radyne ComStream, Inc.
to be free of defects in material and workmanship for a period of two (2) years from date of shipment
Radyne ComStream, Inc.’s obligation under its warranty is limited in accordance with the periods of time
and all other conditions stated in all provisions of this warranty.
This warranty applies only to defects in material and workmanship in products manufactured byRadyne
ComStream, Inc. Radyne ComStream, Inc. makes no warranty whatsoever concerning products or
accessories not of its manufacture. Repair, or at the option of Radyne ComStream, Inc., replacement of
the Radyne ComStream, Inc. products or defective parts therein shall be the sole and exclusive remedy
for all valid warranty claims.
Warranty Period
The applicable warranty period shall commence on the date of shipment from Radyne ComStream, Inc.’s
facility to the original purchaser and extend for the stated period following the date of shipment. Upon
beginning of the applicable Radyne ComStream, Inc. warranty period, all customers’ remedies shall be
governed by the terms stated or referenced in this warranty. In-warranty repaired or replacement products
or parts are warranted only for the remaining portion of the original warranty period applicable to the
repaired or replaced products or parts. Repair or replacement of products or parts under warranty does
not extend theoriginal warranty period.
Warranty Coverage Limitations
The following are expressly not coveredunder warranty:
1. Any loss, damage and/or malfunction relating in any way to shipping, storage, accident, abuse,
alteration, misuse, neglect, failure to useproducts under normal operating conditions, failure to
use products according to any operating instructions provided by Radyne ComStream, Inc., lack
of routine care and maintenance as indicated in any operating maintenance instructions, or
failure to use or take any proper precautions under the circumstances.
2. Products, items, parts, accessories, subassemblies, or components which are expendable in
normal use or are of limited life, such as but not limited to, bulbs, fuses, lamps, glassware, etc.
Radyne ComStream, Inc. reserves the right to revise the foregoing list of what is covered under
this warranty.
Warranty Replacement and Adjustment
Radyne ComStream, Inc. will not make warranty adjustments for failures of products or parts, which occur
after the specified maximum adjustment period. Unless otherwise agreed, failure shall be deemed to
have occurred no more than seven (7) working days before the first date on which Radyne ComStream,
Inc. receives a notice of failure. Under no circumstances shall any warranty exceed the period stated
above unless expressly agreed to in writing by Radyne ComStream, Inc.
Liability Limitations
This warranty is expressly in lieu of and excludes all other express and implied warranties, Including
but not limited to warranties of merchantability and of fitness for particular purpose, use, or
applications, and all other obligations or liabilities on the part of Radyne ComStream, Inc., unless
such other warranties, obligations, or liabilities are expressly agreed to in writing by Radyne
ComStream, Inc.

Warranty Policy RCS20 M:N Redundancy Switch
iv TM056 –Rev. 2.3
All obligations of Radyne ComStream, Inc. under this warranty shall cease in the event its products
or parts thereof have been subjected to accident, abuse, alteration, misuse or neglect, or which
have not been operated and maintained in accordance with proper operating instructions.
In no event shall Radyne ComStream, Inc. be liable for Incidental, consequential, special or
resulting loss or damage of any kind howsoever caused. Radyne ComStream, Inc.’s liability for
damages shall not exceed the payment, if any, received by Radyne ComStream, Inc. for the unit or
product or service furnished or to be furnished, as the case may be, which is the subject of claim or
dispute.
Statements made by any person, including representatives of Radyne ComStream, Inc., which are
inconsistent or in conflict with the terms of this warranty, shall not be binding upon Radyne
ComStream, Inc. unless reduced to writing and approved by an officer of Radyne ComStream, Inc.
Warranty Repair Return Procedure
Before a warranty repair can be accomplished, a Repair Authorization must be received. It is at this time
that Radyne ComStream, Inc. will authorize the product or part to be returned to the Radyne ComStream,
Inc. facility or if field repair will be accomplished. The Repair Authorization may be requested in writing or
by calling:
Radyne ComStream, Inc.
3138 E. Elwood St.
Phoenix, Arizona 85034 (USA)
ATTN: Customer Support
Phone: [phone]
Fax: [phone]
Any product returned to Radyne ComStream, Inc. for examination must be sent prepaid via the means of
transportation indicated as acceptable to Radyne ComStream, Inc. Return Authorization Number must be
clearly marked on the shipping label. Returned products or parts should be carefully packaged in the
original container, if possible, and unless otherwise indicated, shipped to the above address.
Non-Warranty Repair
When a product is returned for any reason, Customer and its shipping agency shall be responsible for all
damage resulting from improper packing and handling, and for loss in transit, not withstanding any defect
or nonconformity in the product. By returninga product, the owner grants Radyne ComStream, Inc.
permission to open and disassemble the product as required for evaluation. In all cases, Radyne
ComStream, Inc. has sole responsibility for determining the cause and nature of failure, and Radyne
ComStream, Inc.’s determination with regard thereto shall be final.

RCS20 M:N Redundancy Switch Preface
TM056 –Rev. 2.3 v
Preface
This manual provides installation and operation information for the Radyne ComStream, Inc. RCS20
M:N Redundancy Switch. This is a technical document intended for use by engineers, technicians,
and operators responsible for the operation and maintenance of the RCS20.
Conventions
Whenever the information within this manual instructs the operator to press a pushbutton switch or
keypad key on the RCS20 Switch Front Panel, the pushbutton or key label will be shown enclosed
in "less than" (<) and "greater than" (>) brackets. For example, the Reset Alarms Pushbutton will
be shown as <RESET ALARMS>, while a command that calls for the entry of a ‘7’ followed by
‘ENTER’ Key will be represented as <7,ENTER>.
Cautions and Warnings
A caution icon indicates a hazardous situation that if not avoided, may result in minor or moderate
injury. Caution may also be used to indicate other unsafe practices or risks of property damage.
A warning icon indicates a potentially hazardous situation that if not avoided, could result in death
or serious injury.
Trademarks
Product names mentioned in this manual may be trademarks or registered trademarks of their
respective companies and are hereby acknowledged.
Copyright
2003, Radyne ComStream, Inc. This manual is proprietary to Radyne ComStream, Inc. and is
intended for the exclusive use of Radyne ComStream, Inc.’s customers. No part of this document
may in whole or in part, be copied, reproduced, distributed, translated or reduced to any electronic
or magnetic storage medium without the express written consent of a duly authorized officer of
Radyne ComStream, Inc.

Preface RCS20 M:N Redundancy Switch
vi TM056 -Rev. 2.3
Disclaimer
This manual has been thoroughly reviewed for accuracy. All statements, technical information, and
recommendations contained herein 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. Radyne ComStream, Inc. assumes no responsibility for use of any circuitry
other than the circuitry employed in Radyne ComStream, Inc. systems and equipment.
Furthermore, since Radyne ComStream, Inc. is constantly improving its products, reserves the right
to make changes in the specifications of products, or in this manual at any time without notice and
without obligation to notify any person of such changes.
Record of Revisions
Revision
Level Date Reason for Change
16-30-96 Initial Release
1.1 9-12-96 Added cabling and interconnection drawing, added breakout panels
drawing, Added menu trees and configurable parameters.
1.2 12-06-96 Added DIP switch settings, added new J no’s to Fig. 2-1, minor
clarifications
2.0 1-10-97 Added Remote Communications specification, operator front panel
screens, enhanced operations section, added illustrations.
2.1 4-26-97 Major Revisions throughout
2.2 8-8-02 Revised and reformatted Technical Manual.
2.3 8-25-03 Revised Remote RLLP (Appendix A) Opcode 2202h.
Comments or Suggestions Concerning this Manual
Comments or suggestions regarding the content and design of this manual are appreciated. To
submit comments, please contact the Radyne ComStream, Inc. Customer Service Department.

RCS20 M:N Redundancy Switch Table of Contents
TM056 –Rev. 2.3 vii
Table of Contents
Section 1 –Introduction
1.0 Description_______________________________________________________ 1-1
1.1 Digital Data Switch (DDS20)_________________________________________ 1-1
1.2 Intermediate Frequency Switch (IFS20) ________________________________ 1-1
1.3 General Information ________________________________________________ 1-1
1.4 Channel Definitions ________________________________________________ 1-2
Section 2 –Installation
2.0 Installation Requirements____________________________________________ 2-1
2.1 Unpacking the System______________________________________________ 2-1
2.1.1 List of Items_____________________________________________________ 2-1
2.1.2 In Case of Shipping Damage _______________________________________ 2-1
2.1.3 Test Data Sheet _________________________________________________ 2-1
2.2 Site Considerations ________________________________________________ 2-2
2.2.1 Power Sources __________________________________________________ 2-2
2.3 Rack Mounting ____________________________________________________ 2-2
2.4 System Cable Configuration _________________________________________ 2-3
2.5 System DIP Switch and Jumper Settings _______________________________ 2-5
2.5.1 Data Switch Module DIP Switch Configuration__________________________ 2-5
2.5.2 Reference Distribution Module ______________________________________ 2-9
2.6.1 J1 -SD -Send Data _____________________________________________ 2-11
2.6.2 J2 -DDO -Drop Data Out ________________________________________ 2-12
2.6.3 J3 -IDI -Insert Data In____________________________________________ 2-12
2.6.4 J4 -RD -Receive Data___________________________________________ 2-12
2.6.5 J5 -ESC Audio _________________________________________________ 2-12
2.6.6 J6 -ES/ES_____________________________________________________ 2-13
2.6.7 J7 –ESC Alarm Interface_________________________________________ 2-13
2.6.8 J8 -ESC 8K Data Interface________________________________________ 2-14
2.6.9 J9-G.703 (Balanced) ____________________________________________ 2-15
2.6.10 J10 -Sync Data________________________________________________ 2-15
2.6.11 Digital Data Switch (DDS20) J1 through J10 -Switch Connector_________ 2-16
2.6.12 RCU20 Connector Pinouts _______________________________________ 2-19

Table of Contents RCS20 M:N Redundancy Switch
viii TM056 -Rev. 2.3
Section 3 –Operation
3.0 Principles of Operation______________________________________________ 3-1
3.1 RCS20 Major Assemblies ___________________________________________ 3-1
3.1.1 Central Processing Unit (CPU) Board ________________________________ 3-1
3.2 Redundant Power Supplies __________________________________________ 3-1
3.3 RCU20 Rear Panel ________________________________________________ 3-1
3.4 IFS20 Major Assemblies ____________________________________________ 3-2
3.5 IF Switch Relays __________________________________________________ 3-2
3.6 DDS20 Major Assemblies ___________________________________________ 3-2
Section 4 –User Interfaces
4.0 Operating Procedures ______________________________________________ 4-1
4.1 Front Panel Control ________________________________________________ 4-1
4.1.1 Front Panel Layout and Features ____________________________________ 4-1
4.1.2 Front Panel LCD Display __________________________________________ 4-1
4.1.3 Front Panel Keypad_______________________________________________ 4-2
4.1.3.1 MODEM-MOD CONFIG__________________________________________ 4-3
4.1.3.2 MODEM-DEMOD CONFIG _______________________________________ 4-3
4.1.3.3 MODEM-INTFC CONFIG_________________________________________ 4-3
4.1.3.4 MODEM-MONITOR _____________________________________________ 4-3
4.1.3.5 MODEM-TEST_________________________________________________ 4-3
4.1.3.6 MODEM-ALARMS ______________________________________________ 4-3
4.1.3.7 SWITCH-CONFIG SWITCH ______________________________________ 4-3
4.1.3.8 SWITCH-CONFIG SYSTEM ______________________________________ 4-3
4.1.3.9 SWITCH-MONITOR/ALARMS _____________________________________ 4-4
4.1.3.10 SWITCH-TEST _______________________________________________ 4-4
4.1.4 Front Panel LCD Indicators_________________________________________ 4-4
4.1.5 Guide to Front Panel Monitor and Control______________________________ 4-4
4.2 Remote Port Control _______________________________________________ 4-5
4.3 Terminal Port Control_______________________________________________ 4-5
4.3.1 Terminal Interface________________________________________________ 4-5
4.4 Modem Checkout and Initial Power-up _________________________________ 4-5
4.5 RCS20 Front Panel Data Entry Screens________________________________ 4-6

RCS20 M:N Redundancy Switch Table of Contents
TM056 –Rev. 2.3 ix
4.5.1 Basic Front Panel Controls_________________________________________ 4-6
4.5.1.1 Changing parameters from the Front Panel __________________________ 4-7
4.5.1.2 Moving to the Next Screen in a Menu Tree ___________________________ 4-7
4.5.1.3 Moving to the Previous Screen in a Menu Tree________________________ 4-7
4.5.1.4 Summary of Basic Front Panel Controls_____________________________ 4-8
4.6 Front Panel Menu Trees and Screens__________________________________ 4-8
4.7 Host Computer Remote Communications _____________________________ 4-12
4.7.1 Protocol Structure_______________________________________________ 4-12
4.7.2 Protocol Wrapper _______________________________________________ 4-12
4.7.3 Frame Description and Bus Handshaking ____________________________ 4-14
4.7.4 Global Response Operational Codes________________________________ 4-14
4.7.5 Collision Avoidance______________________________________________ 4-15
4.7.6 Software Compatibility ___________________________________________ 4-16
4.7.7 RLLP Summary ________________________________________________ 4-17
4.7.8 RCS20 Opcode Command Set ____________________________________ 4-18
4.7.9 RCS20 Channel Definitions _______________________________________ 4-19
4.7.10 Detailed Command Descriptions __________________________________ 4-19
4.8 Ethernet Port User Interface ________________________________________ 4-19
4.9 RCS20 Management Information Base (MIB) ___________________________ 4-19
4.10 Terminal Port User Interface _______________________________________ 4-19
Section 5 –Electrical Interfaces
5.0 RCS20 Connections _______________________________________________ 5-1
5.1 DIP Switch Settings ________________________________________________ 5-7
5.2 DDS20 Connector Pinouts __________________________________________ 5-9
5.2.1 J1 -SD -Send Data ______________________________________________ 5-9
5.2.2 J2 -DDO -Drop Data Out _________________________________________ 5-9
5.2.3 J3 -IDI -Insert Data In_____________________________________________ 5-9
5.2.4 J4 -RD -Receive Data____________________________________________ 5-9
5.2.5 J5 -ESC Audio __________________________________________________ 5-9
5.2.6 J6 -ES/ES_____________________________________________________ 5-10

Table of Contents RCS20 M:N Redundancy Switch
xTM056 -Rev. 2.3
Section 6 –Maintenance
6.0 Periodic Maintenance and Troubleshooting______________________________ 6-1
6.1 Troubleshooting ___________________________________________________ 6-1
6.1.1 Checking the Cabling and Connectors________________________________ 6-1
6.1.2 Checking the Fuses ______________________________________________ 6-1
6.2 RCS20 Alarms____________________________________________________ 6-2
6.2.1 Major Alarms____________________________________________________ 6-2
6.2.2 Minor Alarms____________________________________________________ 6-3
6.2.3 Alarm Masks ____________________________________________________ 6-4
6.2.4 Latched Alarms__________________________________________________ 6-4
6.3 Equipment Return and Repair Procedure_______________________________ 6-4
Section 7 –Technical Specifications
7.0 Introduction_______________________________________________________ 7-1
7.1 General Specifications______________________________________________ 7-1
7.2 Monitor and Control ________________________________________________ 7-1
7.4 Power and Environmental ___________________________________________ 7-2
7.5 Physical _________________________________________________________ 7-2
Appendix A –Remote RLLP
A.1 Detailed Command Descriptions _____________________________________A-1
Appendix B –SNMP MIB
Glossary