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Installation and Operation Manual
Eight Channel Audio Switcher/Router with Mechanical Latching Relays
If you need a firmware upgrade, contact Broadcast Tools®
No part of this document may be reproduced or distributed without permission.
ALL SPECIFICATIONS AND FEATURES FOR THIS PRODUCT ARE SUBJECT TO
NOTE: We recommend the use of Chrome, Firefox or Safari as your browser.
Due to the dynamic nature of product design, the information contained in this
document is subject to change without notice. Broadcast Tools, Inc., assumes no
responsibility for errors and/or omissions contained in this document. Revisions
of this information or new editions may be issued to incorporate such changes.
Broadcast Tools® is a registered trademark of Broadcast Tools, Inc.
All Sentinel® labeled products are registered trademarks of Broadcast Tools, Inc.
Copyright® 1989 - 2021 by Broadcast Tools, Inc. All rights reserved.
No part of this document may be reproduced or distributed without permission.
Visit www.broadcasttools.com for important product update information.
P R O B L E M S O LV E D
SS 8.1 MLR/RJ
Firmware Version 1.2 and above
Manual update: 5/10/2021
CHANGE WITHOUT NOTICE
®
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Summary of Contents for Broadcast Tools SS 8.1 MLR
- Page 1 NOTE: We recommend the use of Chrome, Firefox or Safari as your browser. Due to the dynamic nature of product design, the information contained in this document is subject to change without notice. Broadcast Tools, Inc., assumes no responsibility for errors and/or omissions contained in this document. Revisions of this information or new editions may be issued to incorporate such changes.
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Page 2: Table Of Contents
SS 8.1 MLR/RJ Installation and Operation Manual Table of Contents Section Title ........Page # Introduction. -
Page 3: Introduction
SS 8.1 MLR/RJ Installation and Operation Manual INTRODUCTION CAUTION! Thank you for your purchase of a Broadcast Tools® SS 8.1 MLR/RJ transparent eight input, one output switcher/router (referred to as the SS 8.1 MLR/RJ through- Broadcast Tools® out this manual). We are confident that this product will give you many years of Products, as with any dependable service. -
Page 4: Product Overview
The SS 8.1 MLR/RJ is a transparent eight channel audio switcher/router with mechanical latching relays. The SS 8.1 MLR/RJ is perfect for all types of passive signal switching con- trolled via front panel switches, contact closures and/or multi-drop RS-232 serial. Switching is accomplished with mechanical latching gold contact relays, which means that the unit can route a signal in either direction and keep routing signals even after losing power. -
Page 5: Installation
UPS Standby Power System We recommend that you connect your SS 8.1 MLR/RJ to a UPS system. A UPS helps minimize the risk to the SS 8.1 MLR/RJ and provides power during a power outage. -
Page 6: I/O Connections
R17. Channel 5 = R10 & R18. Channel 6 = R11 & RR19. Channel 7 = R12 & R20. Channel 8 = R13 & R21. If the SS 8.1 MLR/RJ is to be used for applications other than switching analog audio, the Silence Sensor and audio activity (ACT) detection circuit should be dis- abled. -
Page 7: Gpi Pip/Remote Control Inputs
(5-volts) through a 22K resistor. For example, pulsing the “MUTE” input to ground would turn off the output of the SS 8.1 MLR/RJ until a front panel source switch is pressed, a different remote-control input is activated, the... -
Page 8: Open Collector Outputs
RS-232 Serial Port (RJ-11 Jack): product or the fraction- This RJ-11 jack is used to connect the SS 8.1 MLR/RJ to a computer’s COM port al schematic in the for RS-232 serial operation using the included reverse modular cable with 9-pin appendix. -
Page 9: Configuration Jumper Setup
SS 8.1 MLR/RJ Installation and Operation Manual Configuration Jumper Setup JP1: To enable the front panel “ENABLE” switch remove and stow the jumper installed on the JP1 PCB header. Factory configuration: disabled. NOTE: The enable push button must be held closed to operate any of the other front panel push buttons and is not associated with any of the remote-control functions. -
Page 10: Serial Operation
Pin Numbers Menu Operation To connect to the SS 8.1 MLR/RJ over its serial interface: start a serial terminal application like Tera Term, PuTTY or HyperTerminal configured the COM port the SS 8.1 MLR/RJ is assigned/connected to for 9600 baud ,8, N, 1, flow control to NONE, Emulation set to ANSI, and local character echo enabled. -
Page 11: Serial Commands
EAS encoder for EAS audio insertion with the SS 8.1 MLR/RJ. *uDxx Delay xx seconds before processing next command. -
Page 12: Specifications
3.0 lb. Shipping Weight: 4.0 lb. Options: RA-1 rack shelf, holds two units (1-RU) / Filler panels supplied. The SS 8.1 MLR/RJ conforms to the same CE certification as the SS 8.1 II it replaces. SPECIFICATIONS e-mail: voice: fax: support@broadcasttools.com 360.854.9559... -
Page 13: Warranty
If Broadcast Tools is notified, in writing, of a failure of any item manufactured by Broadcast Tools to conform to the foregoing Limited Warranty within one (1) year following the date of the Buyer’s acquisition of the item, and if the item is returned to Broadcast Tools in accordance with Broadcast Tools’... - Page 14 Product_Name Installation and Operation Manual APPENDIX e-mail: voice: fax: support@broadcasttools.com 360.854.9559 866.783.1742...
- Page 15 Product_Name Installation and Operation Manual APPENDIX e-mail: voice: fax: support@broadcasttools.com 360.854.9559 866.783.1742...
- Page 16 Product_Name Installation and Operation Manual APPENDIX e-mail: voice: fax: support@broadcasttools.com 360.854.9559 866.783.1742...
- Page 17 Product_Name Installation and Operation Manual APPENDIX e-mail: voice: fax: support@broadcasttools.com 360.854.9559 866.783.1742...
- Page 18 Product_Name Installation and Operation Manual APPENDIX e-mail: voice: fax: support@broadcasttools.com 360.854.9559 866.783.1742...
- Page 19 Product_Name Installation and Operation Manual APPENDIX e-mail: voice: fax: support@broadcasttools.com 360.854.9559 866.783.1742...
- Page 20 Product_Name Installation and Operation Manual APPENDIX e-mail: voice: fax: support@broadcasttools.com 360.854.9559 866.783.1742...
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