US2002
Listen
Listen
Call
Talk
Talk
Call
Mic Kill
®
Volume
AllTalk
PA
Headset
Panel Mic
Mic
User Instructions
US-2002
Inter com User S tation
9350-7748-000 Rev C 09/2009
PROPRIETARY NOTICE
SHIPPING TO THE MANUFACTURER
The product information and design disclosed herein were originated by
and are the property of Bosch Security Systems, Inc. Bosch reserves all
patent, proprietary design, manufacturing, reproduction, use and sales
rights thereto, and to any article disclosed therein, except to the extent
rights are expressly granted to others.
COPYRIGHT NOTICE
Copyright 2009 by Bosch Security Systems, Inc. All rights reserved.
Reproduction, in whole or in part, without prior written permission from
Bosch is prohibited.
WARRANTY NOTICE
See the enclosed warranty card for further details.
CUSTOMER SUPPORT
Te chnical questions should be directed to:
Customer Service Department
Bosch Security Systems, Inc.
12000 Portland Avenue South
Burnsville, MN 55337 USA
Telephone: 877-863-4169
Fax: 800-323-0498
Factory Service: 800-553-5992
RETURN SHIPPING INSTRUCTIONS
All shipments of product should be made via UPS Ground, prepaid (you
may request from Factory Service a different shipment method). Any
shipment upgrades will be paid by the customer. The equipment should
be shipped in the original packing carton. If the original carton is not
available, use any suitable container that is rigid and of adequate size. If
a substitute container is used, the equipment should be wrapped in paper
and surrounded with at least four (4) inches of excelsior or similar shockabsorbing material. All shipments must be sent to the following address
and must include the Proof of Purchase for warranty repair. Upon
completion of any repair the equipment will be returned via United
Parcel Service or specified shipper, collect.
Factory Service Department
Bosch Security Systems, Inc.
8601 East Cornhusker Hwy.
Lincoln, NE 68507 U.S.A.
Attn: Service
FCC STATEMENT
This equipment uses and can radiate radio frequency energy that may
cause interference to radio communications if not installed in accordance
with this manual. The equipment has been tested and found to comply
with the limits of a Class A computing device pursuant to Subpart J, Part
15 of FCC Rules which are designed to provide reasonable protection
against such interference when operated in a commercial enviro nme n t.
Operation of this equipment in a residential area may cause interferen ce
which the user (at his own expense) will be required to correct.
Customer Service Department
Bosch Security Systems, Inc. (Lincoln, NE)
Telephone: 402-467-5321
Fax: 402-467-3279
Factory Service: 800-553-5992
Please include a note in the box which supplies the company name,
address, phone number, a person to contact regarding the repair , the ty pe
and quantity of equipment, a description of the problem and the serial
number(s).
This product meets Electromagnetic Compatibility
Directive 89/336/EEC.
Table
of
Contents
INTRODUCTION ............................................................................................................................................................................................3
What’s New with the US-2002 .......................................................................................................................................................................3
Description ....................................................................................................................................................................................................3
Features .........................................................................................................................................................................................................4
Reference Descriptions ............................. .................................. .................................. .................................................................................5
INSTALLATION ..............................................................................................................................................................................................7
Unpacking .....................................................................................................................................................................................................7
Configuration Pre-check ...............................................................................................................................................................................7
Headset Microphone Type Selection Dip Switch ..........................................................................................................................................9
Mic Kill Send Enable DIP Switch .................................................................................................................................................................9
Program Interrupt DIP Switches ................................................................................................................................................................10
Monaural or Binaural Operation DIP Switches .........................................................................................................................................10
Balanced / Unbalanced Switch (SW2) ..................................... .................................. ..................................................................................11
Direct Program Listen Enable / Disable Jumpers ......................................................................................................................................11
Mounting Configurations .................................................................................................. ..........................................................................12
Connections .................................................................................................................................................................................................13
ENTRAL MASTER STATION VS. REMOTE STATION ......................................................................................................................................13
C
LL LOCALLY POWERED STATIONS ............................................................................................................................................................13
A
XTERNAL PROGRAM INPUT AND PA OUTPUT ...........................................................................................................................................13
E
ES-4000A E
Cables ..........................................................................................................................................................................................................13
XPANSION STATION CONNECTION (OPTIONAL COMPONENT) ................................................................................................... 13
OPERATION ..................................................................................................................................................................................................27
Power-Up Check .........................................................................................................................................................................................27
Test Tone .....................................................................................................................................................................................................27
Sidetone Adjustment ....................................................................................................................................................................................28
Voice-Activated Microphone Setup .............................................................................. ...............................................................................29
Operation ..................................................................................................................................................................................................... 29
ORMAL VS. PROGRAMMING MODE ........................................................................................................................................................... 29
N
OLUME ADJUSTMENT ...............................................................................................................................................................................29
V
ECEIVING CALLS ......................................................................................................................................................................................30
R
ALLING AN INTERCOM CHANNEL ..............................................................................................................................................................30
C
ICROPHONE MUTE DURING TALK ........................................................................................................................................................... 30
M
LL TALK ...................................................................................................................................................................................................30
A
UBLIC ADDRESS ....................................................................................................................................................................................... 31
P
URNING THE PROGRAM INPUTS ON AND OFF ............................................................................................................................................31
T
SING MIC KILL ........................................................................................................................................................................................31
U
SING VOICE-ACTIVATED MICROPHONE (VOX) ........................................ ................................................................ ................................ 32
U
NCOMING CALL BEEP ON/OFF .................................................................................................................................................................32
I
Specifications ...............................................................................................................................................................................................33
Quick Reference ..........................................................................................................................................................................................35
CHAPTER 1
Intr oduction
Thank you for purchasing the Audiocom US-2002 Intercom User Station. We hope the many design features of this product
will satisfy your intercommunication requirements for many years to come. T o get the most out of your new intercom stations,
please take a few moments to look through this booklet before using the US-2002 for the first time.
What’s New with the US-2002
• New internal mechanical design in the panel mic to standardize and improve connections.
• Updated gooseneck mic plug connection from a pin connector to a stereo plug for easy installation.
• The Telex model MCP-90-XX microphone replaces the EGM-12N and EGM-18N microphone.
Description
The US-2002 Intercom User Station is designed for stationary use by personnel who may require selective access to two or
more intercom channels. It can be rack mounted or used as a desktop station. For rack mounting, optional hardware is required.
For desktop use the four rubber feet supplied.
The US-2002 can be used as a simple, multi-channel user station. Typically, in this application, no program sources or public
address output are connected and some advanced features can be disabled: the station simply provides talk, listen and call
capability for a single user. Alternatively, the US-2002 can function as a master station. In this configuration, most or all
advanced features are activated. Also, program inputs and public address output may be connected. This configuration is ideal
for command and control personnel such as directors, supervisors, etc.
The basic US-2002 can communicate with two (2) intercom channels. The number of channels can be increased by connecting
optional ES-4000A Expansion Stations. Each ES-4000A adds four (4) additional channels, and up to four (4) of these
expansion stations can be connected together fo r a total of eighteen channels.
3
Features
FIGURE 1. US-2002 Reference View (See “Reference Descriptions” on page 5.)
4
Reference Descriptions
1. Dynamic-Mic Headset Connector - Accepts headset with monaural headphones and either balanced or
unbalanced dynamic microphones.
2. Panel Mic/Electret Mic Headset Connector - Accepts an electret gooseneck microphone, such as the Telex Model
MCP-90-XX. The Model MCP-90 series panel mic connector is a 1/4”
stereo plug, with a threaded shaft for easy installation.
3. V olume Control - Adjusts headphone volume only. If an external speaker is used, volume is
adjusted at the speaker.
4. VOX Trimmers - Used with the voice-activated microphone feature. Separate trimmers
adjust the voice activation level for the headset and panel microphones.
5. Headset and Panel Mic keys - Used to manually activate either the headset or panel microphone,
whichever is being used.
6. All Talk Key - Used to talk to all stations that are listening on all channels. This includes
both US-2002 channels and any connected ES-4000A Expansion
Stations.
7. PA Key - This key is used to talk over the public address system if a US-2002 is
connected to a public address system, .
8. Mic Kill Key - Used to turn off the microphones on any intercom station on a channel.
Also used to activate the program inputs and the audible beep feature.
9. Intercom Talk Keys - Allows momentary or latching (hands-free) operation possible.
10. Call Keys - Used to place calls on intercom channels and to indicate calls.
11. Intercom Listen Keys - Allows momentary or latching operation possible.
12. Program Inputs Connector and Trimmers - Each intercom channel has its own program input and level adjust
trimmers. The program inputs may be turned on or off via the front panel
and they may be set to interrupt during talk, if desired.
13. Local Power Jack - Powers the US-2002 from an AC outlet, instead of being powered from
the intercom channels with the use of an optional P A-KP local power
supply.
14. PA Output - Connects to a public address system.
15. Expansion Out Connector - Connects to an ES-4000A Expansion Station
16. Speaker Output Jacks - A single powered loudspeaker or dual powered loud speakers may be
connected for monaural or binaural listening.
17. Intercom Channel Connectors and
Audiocom/Clear-Com Selector Switch -
Sets the US-2002 for compatibility with either Audiocom or Clear-Com
channel connector pin outs, channel power requirements, and call
signaling requirements.
5
6
Installation
Unpacking
The package contains the following items.
NOTE: Contact the shipper or your Audiocom dealer immediately if anything is damaged or missing.
CHAPTER 2
Quantity Description
1 US-2002 Intercom Station
1 Warranty and Registration Card
1 User Manual
4 Rubber feet for desktop use of the US-2002
1 Termination plug for special applications (Figure 13 on page 24)
Configuration Pre-check
Before connecting the US-2002 ensure it is properly configured for your intended usage. Figure 2 on page 8 shows the
configuration jumpers and switches locations.
To access internal switches and jumpers, do the following:
1. Remove one (1) screw from the top cover.
2. Remove three (3) screws from each side.
NOTE: Switch SW2 can be accessed through the back panel. If you change any switch settings while the US-2002 is
operating, you must perform a reset: either cycle power off then on, or simultaneously press the All Talk and
Listen 1 keys, then release them. The sidetone controls are adjusted after power-up and are normally
accessed through the bottom cover.
7
FIGURE 2. Locations of Configuration Jumpers and Switches
TABLE 1. Configuration Switch Settings
SWITCH NUMBER DESCRIPTION SETTINGS DEFAULT SETTINGS
DIP Switch SW1 (Internal)
SW1-1 Headset microphone type
SW1-2 Call signal send, channel 1
On: Unbalanced
Off: Balanced (typical)
On: Enabled
Off: Disabled
Off
On
On: Enabled
SW1-3 Call signal receive, channel 1
Off: Disabled On
On: Enabled
SW1-4 Call signal send, channel 2
Off: Disabled On
On: Enabled
SW1-5 Call signal receive, channel 2
Off: Disabled On
On: Enabled
SW1-6 Mic Kill signal send
Off: Disabled Off
SW1-7 Program 2 interrupt
SW1-8 Program 1 interrupt
Push-button Switch SW2 (BAL-UNBAL switch on Back Panel)
Audiocom or Clear-Com operation
SW3-1 Incoming call beep
8
On: Interrupt during talk
Off: No Interrupt
On: Interrupt during talk
Off: No Interrupt
Out: Audiocom (balanced)
In: Clear-Com Unbalanced.
Dip Switch SW3 (internal)
On: Disabled
Off: Enabled
Off
Off
Out
Off
TABLE 1. Configuration Switch Settings
SWITCH NUMBER DESCRIPTION SETTINGS DEFAULT SETTINGS
SW3-2 Listen 1 to speaker 1 only
SW3-3 Incoming call beep, speaker 1
SW3-4 Incoming call beep, speaker 2
SW3-5 Listen 2 to right headph one
SW3-6 Listen 2 to speaker 2
SW3-7 Listen 2 to speaker 1
SW3-8 Listen 1 to left headphone
IMPORTANT: Set all to monaural or all to binaural. Do not mix settings.
On: Enabled (Binaural)
Off: Disabled (Monaural)
On: Enabled (SW3-1 must be
off)
Off: Disabled
On: Enabled (SW3-1 must be
off)
Off: Disabled
On: Enabled (Binaural)
Off: Disabled (Monaural)
On: Enabled (Binaural)
Off: Disabled (Monaural)
On: Enabled (Binaural)
Off: Disabled (Monaural)
On: Enabled (Binaural)
Off: Disabled (Monaural)
On
Off
Off
On
On
Off
On
Headset Microphone Type Selection Dip Switch
SW1-1 applies only to a dynamic-mic headset connected to the dynamic-mic headset jack on the front panel. If the headset
specifications indicate the microphone type is balanced, or if you are unsure, leave this switch in the off (default) position. If
the specifications indicate an unbalanced microphone set SW1-1 to on.
NOTE: For best results in noisy environments, a noise canceling (directional or carotid) microphone is highly
recommended. This is especially true if you are using the VOX feature.
Mic Kill Send Enable DIP Switch
The US-2002 can generate an inaudible signal that turns off the microphones on all intercom stations on a channel (for stations
that detect this signal). This feature is useful, for example, when an unattended microphone has been left on and is causing
unnecessary noise on a channel. By default, Mic Kill is not enabled.
To activate this feature, do the following:
> Set SW1-6 to the on position.
9
Program Interrupt DIP Switches
If you plan to use the external program sources with the US-2002, you have a choice of whether or not you want the program
audio to shut off on the intercom channel while you are talking.
By default, program audio does not interrupt during talk. You can change this as follows:
• For channel 1 program interrupt during talk, set SW1-7 to on.
• For channel 2 program interrupt during talk, set SW1-8 to on
If call signal receive is enabled (switches SW1-3 and SW1-5), incoming calls are indicated by red-flashing call keys. An
optional beep tone can also be used. Internal switches enable the beep tone. You can then turn the beep tone on or off via the
front panel during normal operation.
To enable the beep tone, do the following:
1. Verify the call signal receive DIP switches are on (SW1-3 and SW1-5).
2. For an incoming call beep in a headset, set SW3-1 to off.
3. For an incoming call beep in speaker 1, set SW3-1 to off and SW3-3 to on.
4. For an incoming call beep in speaker 2, set SW3-1 to off and SW3-4 to on.
NOTE: The procedure for turn incoming call beep on or off during operation can be found on page 32.
Monaural or Binaural Operation DIP Switches
The US-2002 can be used with a single speaker or monaural headphones (single- or double-sided) for monaural operation. In
this case, all audio signals are combined and sent to the headphones and the Speaker 1 jack on the back panel. The US-2002
can also be used with two speakers for binaural operation. In this case, channel 1 is sent to the Speaker 1 jack and channel 2 is
sent to the Speaker 2 jack. Binaural headphone operation is not supported.
For Monaural operation with headphones or one speaker (factory default):
• Set SW3-2 to off.
• Set SW3-5 to on.
• Set SW3-6 to off.
• Set SW3-7 to on.
• Set SW3-8 to on.
For binaural operation with 2 speakers:
• Set SW3-2 to on.
• Set SW3-5 to off.
• Set SW3-6 to on.
• Set SW3-7 to off.
• Set SW3-8 to off.
10
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