Broadcast Tools SS 16.2 Manuale utente

Installation and Operation Manual

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.

No part of this document may be reproduced or distributed without permission.

Visit www.broadcasttools.com for important product update information.

Firmware Version v 1.08

Manual Update: 7/1/2004

16 x 2 (SS 16.2)

Sixteen Input, Dual Output Stereo Switcher/Router

INC

e-mail: [email protected] voice: 360.854.9559 fax: 866.783.1742

SS 16.2 Installation and Operation Manual

INTRODUCTION

Thank you for your purchase of a Broadcast Tools, Inc., 16 x 2, Sixteen Input, Dual

Output Stereo Switcher/Router that we will refer to throughout the manual as the 16 x 2.

We’re confident 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

unit.

SAFETY INFORMATION

Only qualified personnel should install Broadcast Tools®products. Incorrect or

inappropriate use and/or installation could result in a hazardous condition.

WHO TO CONTACT FOR HELP

If you have any questions regarding your product or you need assistance, please con-

tact 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: 866 . 783 . 1742

Internet Home Page: www.broadcasttools.com

E-mail: [email protected]

THANK YOU FOR CHOOSING

BROADCAST TOOLS® BRAND PRODUCTS!

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.

NOTE:

This manual should be

read thoroughly before

installation and operation.

WEBSITE:

Visit our web site for

product updates and

additional information

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SS 16.2 Installation and Operation Manual

DESCRIPTION

PRODUCT DESCRIPTION

The 16x2, sixteen input, dual output stereo switcher/router passively switches or

routes any one of 16 stereo inputs to either or both stereo outputs or vise-versa

through gold contact relays. The passive nature of the switching allows for any

input level and impedance to be used. Inputs may be balanced or unbalanced, while

output levels, impedance, distortion, noise and balancing will match that of the

selected input. In addition to their normal use with audio signals, the 16x2 can also

be used to switch digital signals and telephone lines. Control is via front panel

switches, contact closures, open collector status and/or multi-drop RS-232 port.

Removable screw terminals are provided for all audio connections.

The 16 x 2 has several unique features. The Power-Up feature allows the user to

select which of any source is active at power up, including the last source selected.

Audio mute allows the user to turn off either or both audio outputs when activated.

The Enable switch provides a safety lock to the front panel source selection switch-

es. Dual Audio Activity Monitor LED’s with remote status monitor the output audio

from either or both outputs. A Serial Port allows communication and operation from

a host computer’s serial port. 16 “PIP” TTL/CMOS compatible inputs and open col-

lector GPI ports allows the serial port monitoring of contact closures from satellite

receivers; tone decoders; etc; while the open collectors provide a means of control-

ling devices with commands from a host computer’s serial port. Source number one

is configured by default to route audio to both outputs in the case of loss of power

to the unit. Non-selected sources are terminated with 100K Ω, load resistors.

APPLICATIONS

Some of the applications of the 16 x 2 include: Studio selection and routing; Audio

processing selection; Exciter input selection; Remote broadcast input selection; STL

source selection; Automation source selection; EAS audio switching; ISDN or

Phone hybrid feed selection; IFB selection; Satellite audio channel switching and

console monitor inputs and outputs selection.

WEBSITE:

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SS 16.2 Installation and Operation Manual

DESCRIPTION

FRONT PANEL DESCRIPTION

SOURCE SWITCHES

Each switch represents an input to be routed to either or both of the outputs. High

quality tactile switches will give the user years of dependable service. Each switch

has an associated LED indicator, which will illuminate when that particular source

is routed to either or both of the outputs. When a source is selected, the previous

source will be deselected, (interlocked). The ENABLE switch, when enabled, must

be pressed and held in order for any of the source switches to function. This func-

tion may be bypassed. The front panel is also equipped with a MUTE switch. This

switch, when pressed in combination with the OP 2 and/or ENABLE switch, turns

off the output.

LEDS

LED indicators, which will illuminate when the desired channel is selected to out-

put one, slowly flash when to only output two and rapidly flash when to assigned to

both outputs. The Pwr/Ser LED displays valid power and serial data activity. The

mute LED denotes when audio is off. The respective activity LED’s light when

audio is present at the appropriate output.

REAR PANEL DESCRIPTION

The rear panel contains all input, output and remote control interfacing connectors.

Audio inputs and outputs are routed through pluggable screw terminals. Remote

control is accomplished via a 37 pin “D” connector. A modular jack is provided for

the multi-drop serial port.

POWER

Connect the 2.1mm coaxial type power connector into the unit and the 9 VAC

@ 500 ma wall transformer into a 120 Vac 50-60 Hz power source. The front panel

power LED indicates when power is applied to the unit. (220 Vac 50-60 Hz wall

transformer OPTIONAL)

AUDIO SIGNAL CONNECTOR

The 16 x 2 is supplied with Pluggable Screw terminals (Euro) and Mating connec-

tors. Channel and polarity designators can be found on the left side of the printed cir-

cuit board, as viewed from the rear.

“REMOTE” J3, CONNECTOR

The male 37 pin “D” connector is provided for connection to equipment, which will

remotely control the 16 x 2. Momentary contact closure to ground or active low

logic will satisfy all input functions.

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SS 16.2 Installation and Operation Manual

DESCRIPTION

INSTALLATION

Installation of the 16 x 2 in high RF environments should be performed with care.

Shielded cable is suggested for all control, audio inputs and outputs. All shields

should be tied to the EGND terminals. The station ground should be connected to

the chassis ground screw located on the far right side of the 16 x 2 as viewed from

the rear. It is recommended that all cables connected to the 16 x 2 be looped through

ferrite cores to suppress RF. Surge protection with RF filtering such as the Tripp

Lite “ISOBAR 4 or 6” is also suggested for the wall transformer. The purchase of

an inexpensive UPS will provide back up in case of power outages.

The 16 x 2 is simple to install. The signal inputs, outputs are connected via plug-

gable screw terminals. Installation of the 16 x 2 consists of six steps:

1. Inspection

2. Removal of the source termination resistors, if applicable

3. Bench test and option set-up

4. Mount the unit in a rack or desktop

5. Connect your equipment to the unit

6. Label the front panel switches

7. Serial operation, if applicable

STEP 1: INSPECTION

Please examine your 16 x 2 carefully for any damage that may have been sustained

during shipping. If any is noted, please notify the shipper immediately. Retain the

packaging for inspection by the shipper. The package should contain the 16 x 2, this

manual, 37 pin female D-connector/shell, 7 foot modular cable, 9 VAC @ 500 ma

transformer, modular cable, 9-pin D-Sub adapter and audio mating connectors.

STEP 2: SOURCE TERMINATION RESISTOR REMOVAL

Input sources that are not selected are terminated with a 100K Ω. If you do not want

this load applied across the deselected sources, it may be removed from each chan-

nel. Each channel has a pair of resistors.

• EXAMPLE: Channel 1, relays K1 A&B switches the signal; R15 & R21 are the

load resistors. As delivered, all channels are configured with these resistors

installed. To remove the load resistors from a channel, locate via the schematic the

proper resistors for that channel, cut its leads and discard the resistors.

WEBSITE:

Visit our web site for

product updates and

additional information

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SS 16.2 Installation and Operation Manual

INSTALLATION

INSTALLATION Continued

STEP 3: BENCH TEST and OPTIONS

Place each unit on a workspace and connect power to the unit. Check to see if LED

#1 (Switch 1) and the Pwr/Ser LED are lit (Source one is the power-up factory

default). Connect an audio source to stereo input one and a monitoring device to the

output(s). Verify that audio is present at both outputs. Repeat the process until each

channel’s operation has been verified.

OPTIONS

JP2 To enable the front panel “ENABLE” switch, place a jumper over JP2. The

Enable switch is disabled at the factory.

DIP Switches

3 OFF = Normal operations (Default)

3 ON = Front Panel programming. Use the front panel switches and LED’s.

4 = Not used

Pressing a button selects the option and stores it. The LED shows the state of the

option. When finished, initial channel settings can be selected by pressing button 16,

at which point the channel 16 LED stops flashing. Then using the front panel like

normal will have the same effects as normal, but will record those settings as the

startup settings. To exit this mode, turn off the unit, turn off Switch 3, then turn the

unit back on.

!TIP

The “ACT” LED’s are

also an audio output

indicator.

NOTE:

When the unit is in

“Programming” mode,

the “Channel 16” and

“Power” LED’s flash

rapidly. The current

settings are displayed

on their respective

LED’s.

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product updates and

additional information

DIP (SW-2) Switch Functions

Unit ID SW2-1 SW2-2

ID 0 * OFF OFF

ID 1 ON OFF

ID 2 OFF ON

ID 3 ON ON

1 = 1200 Baud

2 = 2400 Baud

3 = 4800 Baud

4 = 9600 Baud Default

5 = 19200 Baud

6 = 38400 Baud

7 = OFF = Open collectors follow inputs (Latch) Default

ON = Open collector pulse for 1 sec

8 = OFF = Open collectors follow switch 7 rules Default

ON = Open collectors are software controlled.

9 = Set external inputs to act like front panel switches

10 = Set PIP Mode: Follow Inputs

11 = Set PIP Mode: stretch positive pulses to minimum 1/2 second

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SS 16.2 Installation and Operation Manual

INSTALLATION

INSTALLATION Continued

The 16x2 is a passive switcher. Any one of the 16 inputs may be assigned to either

or both outputs, but inputs can never be mixed.

1 To assign an input to output 1, press any one of the 16 input switches.

The associated LED will light.

2 To assign an input to output 2, press and hold the “OP 2” switch, then press

the desired input switch. The associated LED will flash slowly.

3 To select an input to both outputs, press the desired input switch, then press

and hold the “OP 2” switch followed by pressing the same input switch

once again. The associated LED will flash rapidly.

4 To mute any input routed to output 1, press the MUTE switch. NOTE: If

both outputs are muted, the mute LED will flash.

5 To mute any input routed to output 2, press and hold the MUTE switch;

then press the “OP 2” switch. NOTE: If both outputs are muted, the mute

LED will flash.

6 To mute both outputs, press the MUTE switch, then press and hold the

“OP 2” switch, and then press the MUTE switch. The mute LED will flash.

The Power Led is designed to light when power is valid. Its second job is to indi-

cate when serial data is sent or received. The third is to flash when the 16x2 is in

the “Programming” mode.

Serial Control

12 = Set PIP Mode: stretch positive pulses to minimum 1 second

13 = Set PIP Mode: stretch positive pulses to minimum of 2 seconds

14 = Set PIP Mode: stretch positive pulses to minimum of 4 second

15 = OFF = Allows selection of power up channel. Select after out of

programming mode. Default

ON = Selects “Last Source Selected”

16 = OFF (initial state) – switches 1-15 behave as above

Power LED Blinking – (final state) – input switches behave as if 3 were

off, but are recorded.

Pin out of the modular/D-Sub adapter is shown below.

RJ-11 Adapter.

Pin Number.

DB-9 Female. Pin

Number.

Product’s point of

view Function

Name.

4 3 RS-232 Receive

3 2 RS-232 Transmit

2 5 Ground

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SS 16.2 Installation and Operation Manual

INSTALLATION

INSTALLATION Continued

Modular connectors point of view.

Serial Burst Mode Commands

The unit is controlled via the Burst mode. The baud rates are selected on page 6.

The 16 x 2 may be serially controlled via the multi-drop RS-232 port. Commands

may be entered with a short form code (burst mode). All commands and responses

use normal ASCII characters, facilitating scripting. A burst mode command starts

with an asterisk (“*”) followed by the device (ID) address as a single decimal digit.

The device (ID) address (0-3) is specified on the on-board DIP switches. A burst

mode command must be entered within 5 seconds, or it will time out. No carriage-

return or line-feed is required to terminate the command except for those few com-

mands of variable length, if the maximum length is not sent. If the command

requests a response, the response will consist of an upper case “S”, followed by the

unit address, and then the specific response. If acknowledgements are enabled, suc-

cessful commands are responded to with “RRR”, while errors get an “EEE”

response. The syntax of each command is given below. The syntax shows the com-

mand exactly as it should be sent, except that lower case characters represent val-

ues that should be substituted.

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Glossary Of Command Notation

Character String Meaning Allowable Values

U Unit ID 0-7

Ii Input Number 01-16

O Output Number 1–2–A(ALL)

Rr Open Collectors 01-16

INSTALLATION Continued

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SS 16.2 Installation and Operation Manual

INSTALLATION

NOTE:

When the ID is set to

0 and the switcher is

configured for PIP,

any time a PIP input

changes, PIP status is

transmitted.

WEBSITE:

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additional information

NOTE:

When the ID is set to 0

and the switcher is con-

figured for PIP, any

time a front panel

switch is pressed, audio

status is transmitted.

Any ID other than 0

requires the unit to be

polled.

Audio Switch Control Commands

*uiio - Apply input “ii” to output “o”

*uiiA - Apply input “ii” to both outputs

*uiiMA - Mute input “ii” for all outputs

*uMo - Mute output “o”

*uMA - Mute all outputs

Serial string example: *1162 Address for unit 1, with input sixteen routed

to output two.

Output Collector Commands

*uORrrL - Latch open collector “rr”

*uORrrF - Unlatch open collector “rr”

*uORrrP - Pulse open collector “rr”

Miscellaneous Retrieval Commands

*POLL - Respond with unit (ID) address in appropriate time slot.

If there are multiple units on the line, each will respond

with a different delay after receipt of this command.

*uB1 - Turn on burst mode responses. A valid command will

result in response of “RRR”. Error will result in response

of “EEE”.

*uB0 - Turn off burst mode responses (default)

*uSL - Send Audio Status:

SuLo,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x<CR><LF>. “u” is unit ID,

“o” is output, and “x” is “1” for connected; “0” for not connected

for each respective input.

Thus “S1L2 ,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0<CR><LF> says that unit

1, output 2 is connected to input 1.

*uSPii - Send (PIP) status of programmable pulse stretcher input “ii”.

Response is “SuP,ii,x” where “x” is 1 if the corresponding input

is high, 0 otherwise.

*uSPA - Send (PIP) status of all programmable pulse stretcher inputs.

Response is “SuP,A,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x<CR><LF > where

input 0 is first and input 15 is last. “x” is 1 if the corresponding

input is high, 0 otherwise.

*uSR - Send status of all open collectors. Response is:

SuA,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x <CR><LF>

*uU - Send Unit Information:<name(16.2)><version(1.08)>< cr><lf

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SS 16.2 Installation and Operation Manual

INSTALLATION

STEP 4: MOUNTING

Mount the unit in a rack or desktop, allowing adequate airflow for cooling.

STEP 5: CONNECT YOUR EQUIPMENT

The 16 x 2 interfaces to your equipment (sources and loads) through the rear panel

pluggable screw terminals. Follow the legends for the desired audio input and out-

put connections, which appear on the rear side of the printed circuit board and also

on the layout drawing on the last page of this manual. Remove each screw termi-

nal, strip each conductor and insert the conductor into the terminal and screw down

the capture screw. The terminals accommodate wire sizes from 16 - 28 AWG solid

or stranded wire.

STEP 6: DESIGNATION STRIP

The designation strip is provided in order to write the source descriptions under each

source switch.

STEP 7: SERIAL OPERATION

The supplied modular cable and 9 pin D-sub adapter may be connected to the

16 x 2’s rear panel modular connector. Plug in the D-sub adapter into your com-

puter’s serial port. Plug the supplied wall transformer into a source of 117 vac and

the cable end of the transformer into the power receptacle on the 16 x 2. The pro-

tocol is as follows: 1200, 2400, 4800, 9600, 19200, 38400, 8N1. Flow Control

should be NONE, emulation ANSI and the mode should be DIRECT TO COMx

(x = the available com port). The default is 9600,8,N,1.

Serial string example: *1162 Address for unit 1, with input sixteen routed to

output two.

REMOTE CONTROL CONNECTOR PINOUTS

J3 Remote Switch Pin numbers:

1 – Switch number 12 – Switch number 2

3 – Switch number 34 – Switch number 4

5 – Switch number 56 – Switch number 6

7 – Switch number 78 – Switch number 8

9 – Switch number 910 – Switch number 10

11 – Switch number 11 12 – Switch number 12

13 – Switch number 13 14 – Switch number 14

15 – Switch number 15 16 – Switch number 16

17 – Mute input 18 – Output 2 select

37 – Ground

Indice

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