Broadcast Tools SS 16.4 User manual
INSTALLATION AND OPERATION
MANUAL
for the
Broadcast Tools® SS 16.4
Sixteen Input, Quad Output Stereo Audio Matrix Switcher
Broadcast Tools®is a registered trademark of Broadcast Tools, Inc.
Copyright1989 - 2004 by Broadcast Tools, Inc. All rights reserved.
No part of this document may be reproduced or distributed without permission.
ALL SPECIFICATIONS AND FEATURES FOR THIS PRODUCT ARE SUBJECT TO CHANGE
WITHOUT NOTICE
Firmware Version 1.23 or above Manual update 01-12-2004
Manufactured with pride in the USA
BROADCAST TOOLS® SS 16.4
SIXTEEN INPUT, QUAD OUTPUT STEREO AUDIO MATRIX SWITCHER
Installation and Operation Manual
SS16.4
Page 2
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TABLE OF CONTENTS
Introduction 3
Safety Information 3
Who to Contact for Help 3
Product Description 4
Installation Guidelines 7
Inspection 5
Setting Operation “Dip” Switches: 6
Power-Up Feature 7
Macro Feature 7
Mounting 7
Power Supply Connection 7
Connecting Inputs/Outputs/Relays 8
Adjusting Input and Output Levels 8
Input Channel Expansion 9
Remote Control 9
Serial Interface 9
Connecting the RS-232 Serial Port 11
Serial Control 14
Set-up Commands 16
Output Port Control 18
Pulse Stretcher 19
“PIP” Connector Digital Inputs 19
Specifications 22
Warranty 23
Schematic and Component Layout Appendix
BROADCAST TOOLS® SS 16.4
SIXTEEN INPUT, QUAD OUTPUT STEREO AUDIO MATRIX SWITCHER
Installation and Operation Manual
SS16.4
Page 3
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INTRODUCTION
Thank you for your purchase of a Broadcast Tools®SS 16.4 Sixteen Input, Quad Output Stereo Audio
Matrix Switcher (referred to as the SS 16.4 throughout this manual).We’re confident that this product
will give you many years of dependable service. This manual is intended to give you all the information
needed to install and operate the Broadcast Tools®SS 16.4.
NOTE:This manual should be read thoroughly before installation and
operation.
SAFETY INFORMATION
Only qualified personnel should install Broadcast Tools® products. Incorrect or inappropriate use and/or
installation could result in a hazardous condition.
CAUTION! Broadcast Tools® Products, as with any electronic device,
can fail without warning. Do not use this product in applications
where a life threatening condition could result due to failure.
WHO TO CONTACT FOR HELP
If you have any questions regarding your product or you need assistance, please contact your distributor
from whom you purchased this equipment.
If you would like more information about Broadcast Tools®products, you may reach us at:
Broadcast Tools, Inc.
131 State Street
Sedro-Woolley, WA 98284-1540 USA
Voice: 360 . 854 . 9559
Fax: 360 . 854 . 9479
Internet Home Page: www.broadcasttools.com
E-mail: [email protected]
THANK YOU FOR CHOOSING BROADCAST TOOLS®BRAND PRODUCTS!
BROADCAST TOOLS® SS 16.4
SIXTEEN INPUT, QUAD OUTPUT STEREO AUDIO MATRIX SWITCHER
Installation and Operation Manual
SS16.4
Page 4
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PRODUCT DESCRIPTION
The Broadcast Tools® SS 16.4 provides matrix audio switching of 16 stereo inputs to 4 stereo
plus 4 monaural outputs. Matrix switching allows any/or all inputs to be assigned to any/or all outputs.
The SS 16.4 may be controlled via front panel switches, contact closures, 5-volt TTL/CMOS logic and/or
the multi-drop RS-232 or RS-485 serial port. Installation is simplified with removable screw terminals
(Euro).
PRODUCT FEATURES
•True matrix switching, any or all inputs may be assigned to any or all outputs.
•Three switching modes. Interlock, overlap and mix.
•Logic functions via microprocessor and non-volatile memory
•Internal audio activity/silence sensors monitor all four-output channels. Each is equipped with
front panel “ACT” LED indicators; adjustable alarm delay and restore duration. Sensitivity is
factory set at -34db.
•Front panel input selection switches are provided for each input channel with separate output
indicator LED’s
•Power-up selection of inputs to outputs, mute or last source selected.
•Sixteen user configured macros
•Most configuration options via rear panel dipswitches.
•24 input GPI port (Remote Control or PIP) with LED indicator.
•16 open collector channel status outputs or programmable via burst commands.
•8 spst relay outputs. Programmable via burst commands.
•Multi-turn input level controls.
•Single turn output level controls
•Electronically balanced stereo inputs.
•Electronically balanced stereo and monaural outputs.
•Remote control of front panel functions and status.
•Multidrop RS-232 or RS-485 serial port with data activity LED.
•Multiple units may be cascaded to expand inputs.
•Depluggable screw (EURO) terminals for ALL connections.
•2-RU chassis
BROADCAST TOOLS® SS 16.4
SIXTEEN INPUT, QUAD OUTPUT STEREO AUDIO MATRIX SWITCHER
Installation and Operation Manual
SS16.4
Page 5
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PRODUCT DESCRIPTION
Front Panel:
The SS 16.4 is a 2 - RU device (19”w x 3.50”h x 10”d). The front panel supports 23 selection switches
and 72 LED indicators.
Rear Panel:
Installation is simplified with pluggable screw terminal connectors. The SS 16.4 may be pre-wired and
installed in minutes. The multi-drop RS-485 and RS-232 modular connection and a 7 pin “DIN” power
connector is provided for the supplied “Lump in the Line” power supply.
Switches:
Twenty-three pushbutton switches (The “PGM” switch is hidden) that may be used to mute or select
audio inputs and output channels. Sixteen macros may also be programmed and selected. The input
channels may be programmed for the following operations:
•Overlap - Overlap one audio source with another while the button for the second source is held down.
Both channels will be fed to the output until the second button is released, at which time the first
audio source will be switched off.
•Mix - May connect more than one input at a time to any given output - Push once to connect input,
again to disconnect.
•Interlock - Connecting one input to any output disconnects all other inputs from that output
LED Indicators:
The SS 16.4’s 72 front panel LED indicators provide operational display of the following information:
•Four indicators per input channel display which output channel the input is connected.
•Unit power and serial data activity.
•“PIP” Parallel Input Port active, indicating any change with the 24 input “Pulse Stretcher” ports.
•Four audio activity LED’s and detectors.
•SS 16.4 selected or active indicates that the multi-drop RS-232 or RS-485 serial port has been
addressed.
BROADCAST TOOLS® SS 16.4
SIXTEEN INPUT, QUAD OUTPUT STEREO AUDIO MATRIX SWITCHER
Installation and Operation Manual
SS16.4
Page 6
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PRODUCT DESCRIPTION
Controls:
Audio Inputs:
Each of the 16 stereo inputs are balanced bridging (20KΩ) at a nominal line level of +4dBu. Sufficient
gain is provided for unbalanced consumer level products. Multi-turn level controls are provided for each
channel. Terminating resistors may be added to the connector, if needed.
Audio Outputs:
The SS 16.4 provides four selectable balanced stereo outputs. Four balanced monaural outputs are also
provided which follow their respective stereo outputs.
“ACT” Audio Activity Sensor:
The SS 16.4 contains individual audio activity sensors, which may be used as silence sensors for each of
the four stereo output channels. For each channel, a detector monitors the sum of each stereo channel.
The factory default time delay and restore delay is set at 10 seconds, with a fixed signal threshold of -
32dB. Upon silence detection for the user-selected time, the “ACT” indicator is extinguished for the
duration of silence and serial “ACT” status is sent. When audio returns and the restore time delay has
expired, the front panel “ACT” led will illuminate and serial “ACT” status is sent. The “ACT” may be
programmed for:
•Number of seconds of silence that must be present before an alarm state is reached.
•Number of seconds of audio presence after an alarm state before the “ACT” led illuminates.
PIP Input:
The Parallel Input Port (GPI) with the Programmable Pulse Stretcher provides 24 pulse-stretched parallel
5-volt TTL/CMOS compatible inputs. The inputs are pulled high to 5 volts through a 20KΩresistor and
are activated by pulling the input to ground. These inputs supply status to any serial polling device (when
the unit ID is set to 0, no polling of inputs is required). For all PIP inputs a pulse of specified minimum
input duration (000 to 2.55 Seconds) causes the status to go true until the end of the input pulse. The pulse
width may vary between the specified value and 10 ms less than that value. This allows the polling
computer more time to detect an input change.
BROADCAST TOOLS® SS 16.4
SIXTEEN INPUT, QUAD OUTPUT STEREO AUDIO MATRIX SWITCHER
Installation and Operation Manual
SS16.4
Page 7
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PRODUCT DESCRIPTION
“Open Collector” Status Outputs, 16 Port Output Control
The SS 16.4 provides sixteen open collector status outputs. The status outputs may be configured to
operate in one of three modes:
•The status outputs follow the associated channel.
•The status outputs a one-second pulse when the associated channel is selected.
•Burst mode control
Relay Outputs, 8 Port Output Control:
The SS 16.4 contains 8 spst (normally open) relays. Each relay may be latched on, latched off or pulsed
on by serial burst commands. The relay “pulse” time may be set from zero to 9.9 seconds. The default
pulse length is one second.
Serial Communication:
The SS 16.4’s serial communication may be configured for either multi-drop RS-232 or RS485, allowing
up to 8 - SS 16.4’s on the same computers serial port. Burst mode allows a computer or ASCII terminal
to control and interrogate the unit. This section defines all burst mode commands. Each burst mode
commands starts with an asterisk (“*”). Next is a single decimal digit that corresponds to the unit (ID)
address 0-3. Following that are one or more ASCII characters specifying the command. No carriage-
return or line-feed is required to terminate the command except for those few commands of variable
length, if the maximum length is not sent. If acknowledgements are enabled, successful commands are
responded to with “RRR” while errors get an “EEE” response. The syntax of each command is given
below. The syntax shows the command exactly as it should be sent, except that lower case characters
represent values that should be substituted:
User Programming:
The SS 16.4 programming is stored in non-volatile memory. Configurations are set with selection
dipswitches and computer commands.
BROADCAST TOOLS® SS 16.4
SIXTEEN INPUT, QUAD OUTPUT STEREO AUDIO MATRIX SWITCHER
Installation and Operation Manual
SS16.4
Page 8
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INSTALLATION GUIDELINES
Inspection:
Please examine your SS 16.4 carefully for any damage that may have been sustained during shipping. If
any is noted, please notify the shipper immediately and retain the packaging for inspection by the shipper.
The package contains the SS 16.4, “Lump in the line” power transformer, Installation manual, reversed
modular serial cable and the 9-pin D-Sub (S 9) adapter.
Setting Operation “DIP” Switches:
The SS 16.4 is equipped with an 8-position “PGM” DIP Switch. The DIP Switch specifies 2 bit unit ID,
baud rate, audio modes (mix, interlock, overlap), power up modes, remote control and other features listed
below. The dipswitch (SW 24) is located on the rear pane..
DIP (SW-24) Switch Functions
Switch Number Default Setting Function
1 OFF Add 1 to Address (base address is 0)
2 OFF Add 2 to Address (base address is 0)
3OFF Baud Rate: 00 - 9600, 01 - 2400, 10 - 19200, 11 -
38400
4OFF Baud Rate: 00 - 9600, 01 - 2400, 10 - 19200, 11 –
38400
5 OFF Switching Mode
6 OFF Switching Mode
7 OFF Power up mode (Off = User programmable)
8 OFF Remote ControlMode (ON = Enables PIP)
Address (ID) DIP Switches
SW24 – 1 SW24 – 2 ID
OFF OFF ID = 0
ON OFF ID = 1
OFF ON ID = 2
ON ON ID = 3
BROADCAST TOOLS® SS 16.4
SIXTEEN INPUT, QUAD OUTPUT STEREO AUDIO MATRIX SWITCHER
Installation and Operation Manual
SS16.4
Page 9
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INSTALLATION GUIDELINES
Baud Rate DIP Switches
SW24 - 3 SW24 – 4 Baud Rate
OFF OFF 9600
ON OFF 2400
OFF ON 19200
ON ON 38400
Audio Switching Mode DIP Switches
SW24 - 5 SW24 – 6 Mode
OFF OFF Overlap
ON OFF Interlock
OFF ON Interlock
ON ON Mix
Power up/Last source DIP Switch
SW24 – 7 Function
OFF User
Programmable
ON Last Source(s)
selected
PIP/Remote Mode DIP Switch
SW24 - 8 Function
OFF Remote Control
ON PIP enabled
Front Panel Switches
Switch(es) Function
1-16 Channel Inputs
Output 1,2,3,4 Output selector
MUTE Mutes selected channel
MACRO Selects up to 16 Macro’s
Hidden “PGM” Special programming functions
BROADCAST TOOLS® SS 16.4
SIXTEEN INPUT, QUAD OUTPUT STEREO AUDIO MATRIX SWITCHER
Installation and Operation Manual
SS16.4
Page 10
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INSTALLATION GUIDELINES
Operation
Action Result
•Hold down the Output 1
button
•Push the Channel Button
Channel is connected to output 1. To mute the
active channel, simultaneously hold down the mute
switch and press the desired input channel button.
•Hold down the Output 2
button
•Push the Channel Button
Channel is connected to output 2. To mute the
active channel, simultaneously hold down the mute
switch and press the desired input channel button.
•Hold down the Output 3
button
•Push the Channel Button
Channel is connected to output 3. To mute the
active channel, simultaneously hold down the mute
switch and press the desired input channel button.
•Hold down the Output 4
button
•Push the Channel Button
Channel is connected to output 4. To mute the
active channel, simultaneously hold down the mute
switch and press the desired input channel button.
Power-Up Feature, user programmable: To select a channel configuration at power-up:
1 - Verify that dipswitch 24-7 is OFF.
2 - Select the desired input and output channel configuration.
3 - Press and hold the hidden “PGM” button with a non-metallic object.
4 - Press the output 1 button.
5 - The macro led will flash for 2 seconds.
6 - Release both switches.
7 - Your power up configuration is saved.
Power-Up Feature, last source selected:
1 - Verify that dipswitch 24-7 is ON.
2 – The SS 16.4 will power up with whatever channel configuration was present at power off.
Macro Feature:
Set the input/output configuration desired, press the hidden “PGM” button with a non-metallic object and
then press the macro button along with the desired input channel button.
To recall the macro, press the macro button and any one of the desired stored macro’s using the input
channel buttons.
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