Telex US2002 User's Manual
Contents
1. Brand names mentioned are the property of their respective companies Intercom User Station US2002 8 Installation Unpacking The package contains the following items Contact the shipper or your Audiocom dealer immediately if anything is damaged or missing Detach and fill out the registration card and return it to Telex to properly register your US2002 Configuration Pre check Before connecting the US2002 make sure that it is properly configured for your intended usage Figure 2 shows the locations of the configuration jumpers and switches To access internal switches and jumpers remove one screw from the top cover and three screws from each side Note that switch SW2 can be accessed through the back panel I Ifyou change any switch settings while the US2002 is operating you must perform a reset either cycle power off then on or simultaneously press the All Talk and Listen keys then release them The sidetone controls are adjusted after power up and are normally accessed through the bottom cover Channel 2 Sidetone x SW1 SW3 J6 2 3 0 Ox Channel 1 J3 l2 5 Sidetone o Figure 2 Locations of Configuration Jumpers and Switches Intercom User Station US2002 9 Table 1 Configuration Switch Settings ee e O e oe e emee pa o Push button Switch SW2 BAL2. KEEP CABLES FROM TW 7W TW 7W POWER SUPPLY TO gaa AAAAANUA TW 7W AS SHORT DAAA Wiytyiytyty AS POSSIBLE 1 2 CH 1 1 2 CH 2 TO ADDITIONAL INTERCOM STATIONS TW 7W TW 7W 6 Note A BOP 1000 eaaa eee eaaa aaa a to rack aoe 17171717171717 17171717171717 2 TW 7W splitters 1 2 CH 1 1 2 CH 2 TO ADDITIONAL INTERCOM STATIONS Figure 7 US2002 Monaural Master Speaker Station Configuration with 2 Power Supplies This is a good configuration for large intercom systems when you want to operate the US2002 as a master speaker station with one speaker to monitor both intercom channels In this configuration the SPS2001 and PS2001L Combine Isolate switches are set to the Combine position With this setting all intercom stations connected to the SPS2001 are combined on intercom channel 1 and all intercom stations connected to the PS2001L are combined on channel 2 The amplified speaker in the SPS2001 is used as the speaker output for the US2002 and the US2002 dip switches are set to monaural operation default setting so that both intercom channels are heard in the speaker The PA KP local power supply is optional When a PA KP is connected the US2002 automatically disconnects from system power Since the US2002 is not drawing power from the intercom system more system power is available for additional belt packs etc Intercom User Station US2002 19 MCP 90 XX amp FRONT VIEW TYPICAL RACK MOUNT SETU
3. The US2002 can be used on a desktop or it can be rack mounted For desktop use install the 4 rubber feet supplied with the US2002 For rack mounting use optional Audiocom RMK Rack Mount Kits Figure 3 ES You will have to perform the sidetone adjustment page 28 after all components are con nected However when the US2002 is rack mounted you may not be able to access the sidetonk trimmers In this case you can position the US2002 in the rack and make all required connec tions Then adjust the sidetone trimmers before installing and tightening all rack mount screws iS RMK S Single Unit Rack Mount Kit N for one 1 2 rack wide Audiocom component RMK D Dual Unit Rack Mount Kit for two 1 2 rack wide Audiocom components RMK M Multi Unit Rack Mount Kit for mixed 1 2 rack and 1 4 rack wide Audiocom components Mounts one 1 2 rack wide unit with 1 4 rack wide components or 3 1 4 rack wide components 4 2 rack wide components US2002 ES4000A PS 2001L SPS 2001 PS 4001 SPK 2000 CIA 1000 Figure 3 Audiocom RMK Rack Mount Kits Connections Central Master Station vs Remote Station The US2002 can be used in a variety of configurations as a speaker station or as a headset station Additionally it can be used as a central master station or as a remote station When used as a central master station the US2002 is placed in the same location as the system power supplies and if an SPS2001 power supply is used the U
4. The address for Audiocom equipment returns and parts information is Service Department Telex Communications Inc West Ist Street Blue Earth Minnesota 56013 U S A Telephone 507 526 3205 Collect calls not accepted Warranty Repairs If in warranty no charge will be made for the repairs Equipment returned for warranty repair must be sent prepaid and will be returned prepaid Non Warranty Repairs Equipment that is not under warranty must be sent prepaid to Telex If requested an estimate of repair costs will be issued prior to service After your approval and comple tion of the repairs the equipment will be returned on a collect basis Collect charges may be avoided by sending a signed check for payment in full along with your signed estimate approval form ship ping charges are included in the estimate For sales technical support and system design contact Pro Audio Sales Department Telex Communications Inc 12000 Portland Avenue South Minneapolis Minnesota 55337 U S A Telephone 800 392 3497 Fax 800 323 0498 Intercom User Station US2002 37 This page intentionally left blank Intercom User Station US2002 38 Table 3 Quick Reference Public Address Hold PA when Headset or Panel Mic is lit PA key is green Tap Mic Kill then tap Talk or Listen Mic Kill key will blink green and the Talk and Listen keys are Mic kill one channel green Tap Mic Kill to exit Tap Mic Kill then tap All T
5. speaker stations and belt packs also typically provide both a male and female Neutrik connector for each intercom channel This permits loop through connection of several intercom stations using the standard cables Audiocom power supplies use a 3 pin male Neutrik connector for each channel Audiocom wallplates use male Neutrik connectors Figure 15 Audiocom Intercom Cables Intercom User Station US2002 27 Power Up Check Plug in any PA KP local power supplies that are being used and also turn on any system power supplies that are being used When power is first applied to the US2002 it will perform a power up reset in which the front panel indicators will cycle through all of their possible colors and then turn off This verifies the general operation of the intercom station and indicators The US2002 also reads the settings of all DIP switches at this time and configures itself accordingly Test Tone The US2002 can generate a test tone which can be used to verify intercom channel operation after installation or to locate a malfunction This test tone is also used for the sidetone adjustment which follows Use the test tone as follows Simultaneously press the All Talk and PA keys to activate the test tone Tap the Call key for the channel that you want to test can be either a US2002 channel or an ES4000A channel Verify that the test tone can be heard at all intercom stations on the channel Replace any defective cable or int
6. channel program interrupt during talk set SW1 7 to on 2 For channel 2 program interrupt during talk set SW1 8 to on Incoming Call Beep DIP Switches If call signal receive is enabled switches SW1 3 and SW1 5 incoming calls will be 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 Enable the beep tone as follows 1 Make sure the call signal receive DIP switches are on SW1 3 and SW1 5 2 For incoming call beep in a headset set SW3 1 to off 3 For incoming call beep in speaker 1 set SW3 1 to off and SW3 3 to on 4 For incoming call beep in speaker 2 set SW3 1 to off and SW3 4 to on 5 The procedure to turn incoming call beep on or off during operation can be found on page 33 Intercom User Station US2002 11 Monaural or Binaural Operation DIP Switches The US2002 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 US2002 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 1 S
7. for many years to come To get the most out of your new intercom station please take a few moments to look through this booklet before using the US2002 for the first time What s New with the US2002 New internal mechanical design in the panel mic to standardize and improve connectibility 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 Intercom User Station US2002 6 Description The US2002 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 four rubber feet are supplied The US2002 can be used as a simple multichannel 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 US2002 can function as a master station In this configuration most or all advanced features are activated Also program inputs and a public address output may be connected This configuration is ideal for command and control personnel such as directors supervisors etc The basic US2002 can communicate with two intercom channels This numbe
8. input for that channel on or off 4 When the program inputs are configured as desired tap the Mic Kill key to exit program ming mode and return to normal operation 5 Adjust program and 2 levels via the trimmers on the back panel of the US2002 Intercom User Station US2002 32 Using Mic Kill If the Mic Kill feature has been enabled page 10 you can use it to deactivate all talk keys on a single channel or on all channels This feature is useful when a remote talk key has been left on and is causing unwanted noise on a channel Use Mic Kill as follows 1 Tap the Mic Kill key It will blink green Tap the Talk or Listen key for a channel to turn off all talk keys on that channel Or tap the All Talk key to turn off all talk keys The key you tap will turn green and the Mic Kill signal will be sent Tap Mic Kill to exit Using Voice Activated Microphone Vox If you use Vox you will not have to insure that the microphone key is turned on whenever you want to talk Activate Vox as follows 1 2 Make sure the Headset and Panel Mic keys are off If you are using a headset tap the Headset key twice to turn on headset vox Or if you are using a panel microphone tap the Panel Mic key twice to turn on panel mic vox Whichever key you tap it will glow orange when the microphone is off and will flicker or turn green when the microphone turns on ES The Vox level may require adjustment see Voice Activated Microphone
9. public address system this key may be used to talk over the public address system Mic Kit Key Used to turn off the microphones on any intercom stations on a channel Also used to activate the program inputs and the audible beep feature for incoming calls INTERCOM TALK Keys Momentary or latching hands free operation possible CALL Keys Used to place calls on intercom channels and to indicate incoming calls INTERCOM LIsTEN Keys Momentary or latching operation possible PROGRAM INPUTS CONNECTOR AND TRIMMERS Each intercom channel has its own program input and level adjust trimmer The program inputs may be turned on or off via the front panel and they may be set to interrupt during talk if desired Loca Power Jack An optional PA KP local power supply can be connected to power the US2002 from an AC outlet instead of from the intercom channels PA Output Connects to a public address system EXPANSION OUT CONNECTOR Connects to an ES4000A Expansion Station SPEAKER OUTPUT JAcks A single powered loudspeaker or dual powered loud speakers may be connected for monaural or binaural listening INTERCOM CHANNEL CONNECTORS AND AUDIOCOM CLEAR COM SELECTOR SWITCH Two connectors are provided for each channel for loop through connection of multiple intercom stations The selector switch sets the US2002 for compatibility with either Audiocom or Clear Com channel connector pin outs channel power requirements and call signaling requirements
10. the use of one termination plug in each intercom channel One termination plug is supplied with each US2002 Only one termination plug should be installed per channel Typically they are installed at the first intercom station in the chain If 2 terminations are installed in a channel the sound quality and volume level will be noticeably reduced IMPORTANT If a system power supply SPS2007 PS2001L etc is ever connected anywhere in a channel the termination plug should be removed from that channel because the system power supply already has built in termination The advantage of locally powered stations is that they can be operated over a greater distance than is possible when using a system power supply Intercom User Station US2002 25 PGM PGM 2IN 11N CH 1 2 XP USPG fe Note For further information about the cable numbers see page 14 US 2002 or 0000 Figure 14 External Audio Input and PA Output You can connect two audio sources to the Program Inputs connector one for each channel Audio sources can be directly connected with a user supplied DB9M connector Refer to the program input connector specifications located on page 34 for connector pin out However a more convenient method is to use an XP USPG Breakout Panel as shown The XP USPG lets you use standard 3 pin XLR audio cables to connect audio sources The XP USPG also interfaces the PA jack of the US2002 to a standard 3
11. your conversation Turn the keys off when finished When you tap the Headset key or the Panel Mic key or any Talk or Listen key it will lock in the on position You may then tap the key again to turn it off For momentary activation press and hold the key It will remain on as long as you hold it and it will turn off when you release it Calling an Intercom Channel Press and hold the Call key for the channel that you want to call An inaudible call signal will be sent and your listen key for that channel will automatically turn on in preparation to receive a verbal response When you hear a response release the Call key If you are using manual microphone activation make sure your microphone is on for a dynamic mic headset tap the Headset key to turn it on for a panel mounted microphone or electret headset tap the Panel Mic key to turn it on Turn on the Talk key for the channel you called to begin you conversation Turn off your Talk and Listen keys to end the conversation Intercom User Station US2002 31 Microphone Mute During Talk You can mute the microphone while talking Simply tap either the Headset key or the Panel Mic key whichever is currently being used Tap the key again to turn the microphone back on If you are using Vox tap the key twice to reactivate vox All Talk You can talk to all intercom stations that currently have their listens activated This applies to both channels of t
12. 8 inch Stereo Phone Jack Tip PA output high Ring Not used Sleeve Common Speaker Output Output Level 0 dB nominal 1 0 Vrms Output Impedance 1000 ohms nominal Frequency Response 200 Hz to 8 kHz 1 3dB Connector Type RCA Phono Jack Tip Speaker output high Sleeve Common Expansion Input Output Type 2 0 mm stereo phone jack Tip Talk output Ring Listen input Sleeve Common Intercom User Station US2002 35 External Power Type 2 0 mm power jack Internal pin positive External shell negative Headphone Amp Voltage Gain lifier 30 3 dB Maximum Output 250 mW 10 into 150 ohms 65 mW 10 into 600 ohms Frequency Re sponse 200 Hz to 8 kHz 1 3db Incoming Call Beep Tone 2 kHz at the headphones Total Harmon ic Distortion Less than 0 2 at 200 mW Sidetone 18 4 2 dB adjustable Panel Microphone Amplifier Voltage Gains Mic to CHN 2543 dB before limiting Mic to Headphone adjustable 45 dB 10 maximum into 150 ohms Mic to PA 15 3 dB 235 mVrms 10 Frequency Re Total Harmon sponse 200 Hz to 8 kHz 1 3dB ic Distortion Less than 0 2 at CHN output VOX Range 75 to 30 dB 60 dB factory set Intercom User Station US2002 36 Factory Service and Parts Information When returning equipment for repair include your return address telephone number and proof of date of purchase along with a description of the problem
13. FRONT VIEW TYPICAL RACK MOUNT SETUP SPK 2000 SPK 2000 RMK D RACK MOUNT RMK S RACK MOUNT US 2002 BACK VIEW FOR DAISY CHAIN CONNECTION FROM PREVIOUS 7 CH2 INTERCOM STATION 1 CH1 7 ae sigs pt 0606 PA KP_ 7 1 212 OPTIONAL 4y TO ADDITIONAL Lz INTERCOM STATIONS CH 1 BACK VIEW FOR HOME RUN CONNECTION FROM TW 7W SPLITTERS 1 N For furih LOCATED NEAR SYSTEM ig ote or urther POWER SUPPLY information about the cable numbers see 4 page 14 ic KP q p ak Dim PA KP 7 T OPTIONAL NO CONNECTION Figure 12 Typical Remote Binaural Speaker Station This example is similar to the one on the previous page except that each channel is heard in a separate speaker Make sure the internal DIP switches are set for binaural speaker operation as described on page 10 As in the previous example a PA KP local power supply is required for each SPK 2000 speaker but is optional for the US2002 Intercom User Station US2002 24 Note For further informa tion about the cable TERMINATION numbers see page 14 my lace OBE SPK2000 US 2002 CH 1 la 8 bes n tepen SPK2000 US 2002 44 SPK2000 US 2002 E a TO ADDITIONAL PA KP PA KP LOCALLY POWERED INTERCOM STATIONS Figure 13 An example of all locally powered US2002 intercom stations In this example all components are locally powered using PA KP local power supplies Note
14. P SPS2001 SPS2001 CH 2 POWER CH 1 POWER RMK D RACK MOUNT o EFG E RMK S OOO RACK MOUNT US 2002 BACK VIEW FOR DAISY CHAIN CONNECTION 3 A ee N w 3 00 S 7300 Cr kaa ce Note For further C 12 information about the co 9 cable numbers see PA KP ly ty 1y 1y page 14 OPTIONAL 1 2 1 2 1 2 1 2 CH1 CH1 CH2 CH 2 TO ADDITIONAL INTERCOM STATIONS BACK VIEW FOR HOME RUN CONNECTION BS soo W 17 00 Note A BOP 1000 may be used to rack mount PA KP OPTIONAL 4 yY 1 TW 7W TW 7W KEEP CABLES FROM MQHADSVO BOOAAHLE POWER SUPPLY TO TW 7W AS SHORT 17171717171 117171117 AS POSSIBLE pn 2 TW 7W splitters 1 1 2 CH1 ty 1 2 CH 2 TW 7W TW 7W 171717171717 17171717171717 1 2 CH 1 1 2 CH 2 TO ADDITIONAL INTERCOM STATIONS Figure 8 US2002 Binaural Speaker Station Configuration with 2 Power Supplies This is a good configuration for large intercom systems when you want to operate the US2002 as a master speaker station with a separate speaker for each intercom channel In this configuration the SPS2001 Combine lsolate switches are set to the Combine position With this setting all intercom stations connected to the one SPS2001 are combined on intercom channel 1 and all intercom stations connected to the other SPS2001 are combined on channel 2 The amplified speaker in each SPS2001 mo
15. S2002 can take advantage of the SPS2001 built in speaker for speaker output When used as a remote station the US2002 is not at the same location as the power supplies and if it is being used as a speaker station a separate speaker must be supplied Figures 4 through 12 starting on page 16 illustrate several configurations for the US2002 when used as a central or remote headset or speaker station Intercom User Station US2002 13 All Locally Powered Stations Any US2002 can be locally powered by connecting a PA KP Local Power Supply This is shown as an option in Figures 4 through 12 A special case is an intercom system where all stations are powered from local power supplies with no central power supply This is illustrated in Figure 13 page 25 External Program Input and PA Output Connections for external program input and PA output are shown in Figure 14 page 26 ES4000A Expansion Station Connection Optional Component Refer to the ES4000A User Instruction Manual for detailed connection information Cables The numbers below correspond to the cable numbers in the connection drawings on the following pages 1 1 channel intercom cable Sold separately Use Telex ME cables below Or build per Figure 15 page 27 ME 25 25 7 6 m cable with Male and Female 3 pin XLR connectors ME S0 50 15 2 m cable with Male and Female 3 pin XLR connectors ME 100 100 30 4 m cable with Male and Female 3 pin XLR connectors
16. Telex User Instructions Model US2002 Intercom User Station Audiocom Intercom Systems 9350 7748 000 Rev A Intercom User Station US2002 1 01 2003 This page intentionally left blank Intercom User Station US2002 2 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 environment Operation of this equipment in a residential area may cause interfer ence which the user at his own expense will be required to correct 4 This product meets Electromagnetic Compatibility Directive 89 336 EEC Intercom User Station US2002 3 Table of Contents FCC Statement Introduction What s New with the US2002 Description Features Installation Headset Microphone Type Selection DIP Switch Mic Kill Send Enable DIP Switch Program Interrupt DIP Switches Incoming Call Beep DIP Switches Monaural or Binaural Operation DIP Switches Balanced Unbalanced Switch SW2 Direct Program Listen Enable Disable Jumpers Connections Power Up Check Test Tone Sidetone Adjustment Voice Activated Microphone Vox Setup Operation Calling an Intercom Channel Microph
17. UNBAL Switch on Back Panel OO ao one O OO pee p pe peneme RS e O e pe a se eo O Set all to monaural or all to binaural Do not mix settings Intercom User Station US2002 10 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 IS For best results in noisy environments a noise canceling directional or cardioid microphone is highly recommended This is especially true if you are using the vox feature Mic Kill Send Enable DIP Switch The US2002 can generate an inaudible signal which will turn 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 set SW1 6 to the on position Program Interrupt DIP Switches If you plan on using external program sources with the US2002 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 1 For
18. Vox Setup page 30 Incoming Call Beep On Off Normally incoming calls are indicated by red flashing Call keys An optional beep tone can also be enabled as follows Ensure that this feature has been activated via internal switches page 10 Press and hold the Mic Kill key for about 2 seconds then release it It should now be glowing green to indicate that the intercom station is in programming mode Tap either Call key on the US2002 to turn the beep feature on or off It doesn t matter which one you tap since this feature affects both channels Tap the Mic Kill key to return to normal operation Intercom User Station US2002 33 Specifications General Power Requirements Phantom Power 24 VDC nominal 12 to 30 VDC 65 to 150 mA Local Power 12 to 15 VDC 65 to 150 mA Dimensions 1 75 44 5 mm high x 8 25 209 5 mm wide x 10 31 261 9 mm deep Weight approximately 21b 0 9 kg Environmental Requirements Storage 20 C to 80 C 0 to 95 humidity non condensing Operating 15 C to 60 C 0 to 95 humidity non condensing Dynamic mic Headset Microphone 50 to 200 ohm dynamic balanced or unbalanced Headphones 150 to 600 ohm monaural Connector Type XLR 4M Pin 1 Microphone low Pin 2 Microphone high Pin3 Headphone high Pin4 Headphone low Panel Microphone or Electret mic Headset Microphone 5k ohm electret 57 dB Headphones 150 to 600 ohm monaural Connector Type IKP12 MCP 90 series stereo plug c
19. When connecting from a power supply to a TW 7W keep cables as short as pos sible Also heavier gage wire is recommended 2 channel intercom cable Sold separately Use Telex ME 2 cables below Or build per Figure 15 page 27 ME 25 2 25 7 6 m cable with Male and Female 6 pin XLR connectors ME 50 2 50 15 2 m cable with Male and Female 6 pin XLR connectors ME 100 2 100 30 4 m cable with Male and Female 6 pin XLR connec tors Y adapter cable Sold separately Use Telex CA 23 16 Or build per Figure 15 page 27 3 ft 0 91 m speaker cable with RCA plugs One supplied with each SPS 2001 and SPK 2000 18 457 mm EXP IN OUT cable stereo miniplug to stereo miniplug One supplied with each ES4000A 18 457 mm CHANNEL OUTPUT cable 15 pin Male Dsub to 15 pin Male Dsub One supplied with each ES4000A Optional component See ES4000A User Manual for connection information Intercom User Station US2002 14 7 Shielded patch cable 9 pin Male Dsub to 9 pin Female Dsub Customer local pur chase available at Radio Shack etc Note All pins must be connected straight through do not use an RS232 computer cable 8 Shielded patch cable stereo miniplug to stereo miniplug Customer local purchase Available at Radio Shack etc 9 Shielded audio cable Must have male 3 pin XLR connector at one end for connect ion to the XP USPG or XP 4PGM program inputs Pin out for program inputs is as follows Pin 1 comm
20. alk Mic Kill key will blink green and all Talk and Listen keys are green Tap Mic Kill to exit Audible call alert on Hold Mic Kill then tap either Call all Call keys are red Tap Mic Kill to exit Listen momentary on Hold Listen Mic kill all channels Intercom User Station US2002 39 TELEX TELEX COMMUNICATIONS INC 12000 Portland Avenue South Burnsville MN 55337 USA 9350 7748 000 Rev A 1 2003
21. ations connected to the one PS2001L are combined on intercom channel 1 and all intercom stations connected to the other PS2001L are combined on channel 2 Typically a headset is connected to the front panel of the US2002 and the US2002 dip switches are set to monaural operation default setting so that both intercom channels are heard in the monaural headphones binaural headphone operation is not supported The PA KP local power supply is optional When a PA KP is connected the US2002 automatically disconnects from system power Since the US2002 is not drawing power from the intercom system more system power is available for additional belt packs etc Intercom User Station US2002 21 FRONT VIEW Note For further information about the cable numbers see page 14 BACK VIEW FOR DAISY CHAIN CONNECTION FROM PREVIOUS L CH2 1 INTERCOM STATION LZ eu e OOOO CH 2 Ve TO ADDITIONAL ca INTERCOM STATIONS 1 OPTIONAL x CH 1 BACK VIEW FOR HOME RUN CONNECTION FROM TW 7W SPLITTERS 12 LOCATED NEAR SYSTEM uP POWER SUPPLY e O PA KP NO CONNECTION OPTIONAL Figure 10 Typical Remote Headset Station In this example the US2002 is not located near the system power supplies SPS 2001 PS 2001L etc The PA KP local power supply is optional and can be used to power a single intercom station When a PA KP is connected to the US2002 the US2002 automatically disconnects from system power This
22. ercom station where the test tone is being lost Tap the same Call key to stop the test signal on that channel Press any key except a Call key to turn off the test tone Sidetone Adjustment The US2002 uses full duplex audio the same as a conventional telephone line in which the talk and listen audio are sent and received on the same line Thus when you talk on a channel you will also here your own voice back in the speaker or headphones This is called sidetone If you are using the US2002 with a microphone and speaker sidetone could cause unwanted feedback since the micro phone may pick up your returned voice audio and re amplify it This could also happen if you are using a headset where the ear cushions do not completely cover the ears although it is probably much less likely In either of these cases you should minimize the amount of sidetone On the other hand if you are using headphones that completely enclose the ears a certain amount of your own voice level is desirable to overcome the muffled sensation when talking If you are using a speaker and microphone or open ear style headphones adjust sidetone as follows Simultaneously press the All Talk and PA keys to activate the test tone Tap the channel Call key to send the test tone on channel 1 Increase the volume until you can hear the test tone If you are using a headset adjust the volume control at the US2002 If you are using a speaker adjust the volume cont
23. et SW3 2 to off 2 Set SW3 5 to on 3 Set SW3 6 to off 4 Set SW3 7 to on 5 Set SW3 8 to on For binaural operation with 2 speakers 1 Set SW3 2 to on 2 Set SW3 5 to off 3 Set SW3 6 to on 4 Set SW3 7 to off 5 Set SW3 8 to off Balanced Unbalanced Switch SW2 This switch is set at the factory to the balanced BAL position for use with Audiocom intercom channels Set the switch to the unbalanced UNBAL position for use with a Clear Com intercom system Direct Program Listen Enable Disable Jumpers By default each US2002 program input can be heard by all intercom stations that are listening on the corresponding intercom channel This includes the US2002 Program input routing to the intercom channels can be turned on or off via the US2002 front panel programming See Turning the Pro gram Inputs On and Off page 32 Additionally all program signals can be routed directly to the US2002 speaker or headset This lets the US2002 operator hear the program inputs even if they are not being routed to the intercom channels To disable direct program listening in the speaker or headset for one or more program inputs reset the appropriate jumper as shown in Table 2 Program 1 direct to Headset or Speaker Pins 2 amp 3 Shorted Enabled Pins 1 amp 2 Shorted Disabled Program 2 direct to Headset or Speaker Table 2 Direct Program Listen Enable Disable Jumpers Intercom User Station US2002 12 Mounting Configurations
24. he US2002 as well as all talk channels of any connected ES4000A Expansion Stations Use All Talk as follows 1 If you are using manual microphone activation make sure the proper microphone switch is turned on either Headset or Panel Mic 2 Press and hold the All Talk key while talking Release it when finished ES To insure that the All Talk key is never accidentally left in the on position it does not latch Public Address PA If the PA output on the back panel of the US2002 is connected to a public address system you can talk on the public address system as follows 1 If you are using manual microphone activation make sure the proper microphone switch is turned on either Headset or Panel Mic 2 Press and hold the PA key while talking Release it when finished To insure that the PA key is never accidentally left in the on position it does not have latching operation Turning the Program Inputs On and Off Insure that program inputs have been connected at the back panel and that the program sources are on Press and hold the Mic Kill key for about 2 seconds then release it It should now be glowing green to indicate that the US2002 is in programming mode The current status of the program inputs is indicated by the Talk keys If the channel 1 Talk key is lit the program 1 input is currently activated to channel 1 if channel 2 talk is lit program 2 is activated to channel 2 Tap either Talk key to turn the program
25. itch is set to the isolate position With this setting the 2 intercom channels are completely separated The amplified speaker in the SPS2001is used as the speaker output for the US2002 and the US2002 dip switches are set to monaural operation so that both intercom channels are heard in the speaker The PA KP local power supply is optional When a PA KP is connected the US2002 automatically disconnects from system power supplied by the SPS2001 When the US2002 is not drawing power from the intercom system more system power is available for additional belt pack etc Intercom User Station US2002 16 See FRONT VIEW Meee eek TYPICAL RACK MOUNT SETUP SPK 2000 SPS2001 RMK D RACK MOUNT RMK S RACK MOUNT US 2002 BACK VIEW FOR DAISY CHAIN CONNECTION PA KP Note For further v om oh information about the 4y eT 17 cable numbers see page 14 Jeg 0O TEI Wy y PA KP OPTIONAL CH1 CH2 TO ADDITIONAL INTERCOM STATIONS Note A BOP 1000 may be used to rack mount 2 TW 7W splitters BACK VIEW FOR HOME RUN CONNECTION PA KP W 700 a a O 4 KEEP CABLES FROM PA KP POWER SUPPLY TO OPTIONAL y y 1 TW 7W AS SHORT wau ay rere AS POSSIBLE Yui Yin yyy CH 1 CH2 TO ADDITIONAL INTERCOM STATIONS Figure 5 US2002 Binaural Master Speaker Station Configuration with I Power Supply This is a good configuration for smaller intercom systems when you
26. makes more system power available for belt packs and other intercom stations Also when the US2002 is powered by a PA KP it can be operated over a greater distance as a remote station Intercom User Station US2002 22 MCP 90 XX FRONT VIEW US 2002 SPK 2000 oF FF L Note For further information about the cable numbers see FROM PREVIOUS 1 CH2 page 14 INTERCOM STATION Vy CH4 BACK VIEW FOR DAISY CHAIN CONNECTION Ka fa e 3s OOOO PA KP PA KP TO ADDITIONAL OPTIONAL Vy INTERCOM STATIONS CH 1 BACK VIEW FOR HOME RUN CONNECTION FROM TW 7W SPLITTERS Vy LOCATED NEAR SYSTEM Vy POWER SUPPLY 47 E oo 5 6066 PA KP PA KP f j OPTIONAL NO CONNECTION Figure 11 Typical Remote Monaural Speaker Station This example is similar to the one on the previous page except a Telex MCP 90 XX microphone and a SPK 2000 speaker are used instead of a headset Make sure the internal DIP switches are set for monaural speaker operation default setting as described on page 10 A PA KP local power supply is required for the SPK 2000 but is optional for the US2002 When a PA KP is connected to the US2002 the US2002 automatically disconnects from system power This makes more system power available for belt packs and other intercom stations Also when the US2002 is powered by a PA KP it can be operated over a greater distance as a remote station Intercom User Station US2002 23 MCP 90 XX Q
27. n with 1 Power Supply This is a good configuration for smaller intercom systems when you want to operate the US2002 as a master headset station In this configuration the PS2001L Combine Isolate switch is set to the Isolate position With this setting the 2 intercom channels are completely separated Typically a headset is connected to the front panel of the US2002 and the US2002 DIP switches are set to monaural operation default setting so that both intercom channels are heard in the monaural headphones binaural headphone operation is not supported The PA KP local power supply is optional When a PA KP is connected the US2002 automatically disconnects from system power that is supplied by the PS2001L Since the US2002 is not drawing power from the intercom system more system power is available for additional belt packs etc Intercom User Station US2002 18 FRONT VIEW MCP 90 XX TYPICAL RACK MOUNT SETUP PS2001L SPS2001 CH 2 POWER CH 1 POWER RMK D RACK MOUNT RMK S RACK MOUNT oOo Olo oO BACK VIEW FOR DAISY CHAIN CONNECTION 00 L to OOOO PA KP ly te 1 EK OPTIONAL 1 2 1 2 1 2 1 2 Note For further CH1 CH1 CH2 CH2 information about the TO ADDITIONAL INTERCOM STATIONS cable numbers see page 14 BACK VIEW FOR HOME RUN CONNECTION w 1800 oo pact O80 1 PA KP 4 1 1 1 4 OPTIONAL Ai A A lo X
28. nitors a single intercom channel and the US2002 dip switches are set to binaural operation see page 10 The PA KP local power supply is optional When a PA KP is connected the US2002 auto matically disconnects from system power Since the US2002 is not drawing power from the intercom system more system power is available for additional belt packs etc Intercom User Station US2002 20 FRONT VIEW TYPICAL RACK MOUNT SETUP O PS 2001L PS 2001L CH 2 POWER CH 1 POWER RMK D RACK MOUNT RMK S RACK MOUNT BACK VIEW FOR DAISY CHAIN CONNECTION Note For further information about the ed LJ cable numbers see a aA EP i 14 73 0000 t ee PA KP ty 17 17 Ty OPTIONAL 1 2 1 2 1 2 1 2 Note A BOP 1000 may CH1 CH1 CH2 CH2 be used to rack mount TO ADDITIONAL INTERCOM STATIONS 2 TW 7W splitters BACK VIEW FOR HOME RUN CONNECTION 00 EROS PA KP OPTIONAL 1 ly ly Wy 17 KEEP CABLES FROM TW 7W TW 7W POWER SUPPLY TO z S TW 7W AS SHORT aee nann AS POSSIBLE wiii YWUyyyyy 1 2 CH 1 Ty 1 2 CH 2 TW 7W TW 7W Veale ety Tele WU yy yyy 1 2 CH 1 1 2 CH 2 TO ADDITIONAL INTERCOM STATIONS Figure 9 US2002 Headset Station Configuration with 2 Power Supplies In this configuration the PS2001L Combine lsolate switches are set to the Combine position With this setting all intercom st
29. on Pin 2 program input Pin 3 program input 10 Shielded audio cable Must have male 3 pin XLR connector at one end for connec tion to the XP USPG PA output Pin out for PA output is as follows Pin 1 common Pin 2 PA output Pin 3 PA output 11 18 457 mm CHANNEL OUTPUT cable 15 pin Male Dsub to 15 pin Female Dsub One supplied with each XP ES4000 Optional component See ES4000A User Manual for connection information Intercom User Station US2002 15 MCP 90 XX FRONT VIEW TYPICAL RACK MOUNT SETUP SPS 2001 RMK D o RACK MOUNT BACK VIEW FOR DAISY CHAIN CONNECTION 4 y 300 a 3 OOOO wuy YW 1y nE Note For further information about the PA KP OPTIONAL ePi Ga cable numbers see TO ADDITIONAL INTERCOM STATIONS page 14 BACK VIEW FOR HOME RUN CONNECTION y 3 99 s 0006 ty Yy 17 Ty PA KP CH1 CH2 KEEP CABLES FROM OPTIONAL POWER SUPPLY TO TW 7W TW 7W TW 7W AS SHORT aaan pananaga ross Ua a a a a Val a aa ad Note A BOP 1000 may be used to rack mount CH 1 CH 2 2 TW 7W splitters TO ADDITIONAL INTERCOM STATIONS Figure 4 US2002 Monaural Master Speaker Station Configuration with 1 Power Supply This is a good configuration for smaller intercom systems when you want to operate the US2002 as a master speaker station with one speaker to monitor both intercom channels In this configuration the SPS2001 Combine Isolate sw
30. one Mute During Talk All Talk Public Address PA Turning the Program Inputs On and Off Using Mic Kill Using Voice Activated Microphone Vox Incoming Call Beep On Off Specifications Factory Service and Parts Information Quick Reference Intercom User Station US2002 4 Index of Figures Figure 1 US2002 Reference View Figure 2 Locations of Configuration Jumpers and Switches Figure 3 Audiocom RMK Rack Mount Kits Figure 4 US2002 Monaural Master Speaker Station Configuration with 1 Power Supply Figure 5 US2002 Binaural Master Speaker Station Configuration with 1 Power Supply Figure 6 US2002 Master Headset Station Configuration with 1 Power Supply Figure 7 US2002 Monaural Master Speaker Station Configuration with 2 Power Supplies Figure 8 US2002 Binaural Speaker Station Configuration with 2 Power Supplies Figure 9 US2002 Headset Station Configuration with 2 Power Supplies Figure 10 Typical Remote Headset Station Figure 11 Typical Remote Monaural Speaker Station Figure 12 Typical Remote Binaural Speaker Station Figure 13 An example of all locally powered US2002 intercom stations Figure 14 External Audio Input and PA Output Figure 15 Audiocom Intercom Cables Figure 16 US2002 Bottom View Intercom User Station US2002 5 Introduction Thank you for purchasing the Audiocom US2002 Intercom User Station We hope the many design features of this product will satisfy your intercommunication requirements
31. onnector Program Input Input Level 100mV maximum Voltage Gain 25 3 dB Output Level 1 0 Vrms nominal 2 3 Vrms maximum Input Impedance 75k ohm Common Mode Rejection Greater than 50 dB Connector Type DB9F Pin Ground Pin2 Program input low Pin3 Program 2 input low Pin4 NC PinS NC Pin6 Program 1 input high Pin 7 Program 2 input high Pin8 NC Pin9 NC Intercom User Station US2002 34 Intercom Channels Balanced Mode SW2 set to BAL position Output Level 1 Vrms nominal Input Impedance 300 ohms Bridging Impedance greater than 10 000 ohms Sidetone 40 dB 35 dB adjustable range Call Signaling Send 20 kHz 100 Hz 0 5 Vrms 10 Receive 20 kHz 800 Hz 100 mVrms Mic Kill Frequency Send 24 kHz 300 Hz 0 5 Vrms 10 Detect 24 kHz 800 Hz 100 mVrms Noise Contribution less than 70 dB Common Mode Rejection Ratio greater than 50 dB Connector Type One XLR 3M and XLR 3F pair wired in parallel for each channel Pin Common Pin 2 Intercom audio low and 24 VDC input Pin3 Intercom audio high and 24 VDC input Intercom Channel Unbalanced Mode SW2 set to UNBAL position Output Level 1 Vrms 10 Input Impedance 150 ohms Bridging Impedance greater than 10 000 ohms Call Signaling Send 11 3 VDC Receive 4 VDC minimum Connector Type One XLR 3M and XLR 3F pair wired in parallel for each channel Pin Common Pin2 24 VDC input Pin3 Intercom audio high PA Output Output Level 235 mVrms nominal Connector Type 1
32. pin XLR audio cable Note The XP USPG Breakout Panel can be rack mounted using a BOP 1000 Rack Mount Plate Intercom User Station US2002 26 TYPICAL 1 CHANNEL CABLE WIRING Pair 1 Es F A 1 Both wires gt Aleetan gt Shield Cable Type 22AWG Stranded 2 Pair Twisted wire with Shield Connector Type 3 Pin XLR Audio Neutrik or Switchcraft Pin 1 Common Pin 2 Channel Audio Power Pin 3 Channel Audio Power Shield Earth ground TYPICAL 2 CHANNEL CABLE WIRING Pair 1 il i L Pair 2 Denotes twisted pair Denotes shield L Both wires oe gt Shield Cable Type 22AWG Stranded 3 Pair Twisted wire with Shield Connector Type 6 Pin XLR Audio Neutrik only not compatible with 6 pin Switchcraft Pin 1 Channel 1 amp 2 Common Pin 2 No connection Pin 3 Channel 1 Audio Power Fa Denotes twisted pair Pin 4 Channel 1 Audio Power F Pin 5 Channel 2 Audio Power Denotes shield Pin 6 Channel 2 Audio Power Shield Earth ground Y CABLE WIRING Pair 1 A a Fa Pair 2 L lt 1 Both wires Bibassssrsrrrrnnrnnnn gt Shield Use second drain wire if available or add an extra section of wire Standard cables are generally constructed using a male connector at one end and a female connector at the other end This allows several cables to be interconnected to create longer cable runs Audiocom master stations
33. r can be increased by connecting optional ES4000A Expansion Stations Each ES4000A adds four additional channels and up to four of these expansion stations can be connected for a total of eighteen channels PROGRAM INPUTS lt SPEAKERS 2 LINE LEVEL 1 VRMS 1 el BAL OUT 12 15 VDC UNBAL IN 16 17 Figure 1 US2002 Reference View See numbered features page 8 Intercom User Station US2002 7 Features Dynamic Mic HEADSET Connector Accepts headsets with monaural headphones and either a balanced or unbalanced dynamic microphone PANEL Mic ELECTRET MIC HEADSET CONNECTOR Accepts an electret gooseneck micro phone 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 VOLUME CONTROL Adjusts headphone volume only If an external speaker is used volume is adjusted at the speaker Vox Trimmers Used with the voice activated microphone feature Separate trimmers adjust the voice activation level for the headset and panel microphones HEADSET AND PANEL Mic Keys Used to manually activate either the headset or panel microphone whichever is being used ALL TALK Key Used to talk to all stations that are listening on all channels This includes both US2002 channels and all channels of any connected ES4000A Expansion Stations PA Key If the US2002 is connected to a
34. rol at the speaker Using a small flat bladed screwdriver adjust the channel 1 sidetone through the access hole in the bottom of the US2002 Figure 16 to minimize the tone volume Tap the channel Call key to turn off the test tone on channel 1 when finished Tap the channel 2 Call key and repeat the adjustment for the channel 2 sidetone Tap any other key except a Call key to turn off the test tone when finished Intercom User Station US2002 28 If you are using headphones that completely enclose the ears adjust sidetone as follows 1 Tap the Headset key to turn the headset microphone on 2 Tap the channel 1 Talk key to turn it on 3 While speaking into the microphone use a small flat bladed screwdriver to adjust the channel sidetone so that you hear your voice at an acceptable level in the head phones Tap the channel 1 Talk key to turn it off when finished 4 Tap the channel 2 Talk key to turn it on and adjust the channel 2 sidetone as for channel 1 Tap the channel 2 Talk key to turn it off when finished Intercom User Station US2002 29 o Channel 1 Ka Sidetone o Channel 2 A Sidetone Figure 16 US2002 Bottom View Voice Activated Microphone Vox Setup Ifyou are going to use vox you must adjust the vox level for proper operation If the vox level is too low room noise will activate the microphone If the vox level is too high the microphone will not activate when
35. s required for the noise level in the room A directional or cardioid microphone is recommended when using Vox Omnidirectional microphones may not produce good results Intercom User Station US2002 30 Operation ES A quick reference to the following operating features can be found on the inside of the back cover Normal vs Programming Mode The US2002 has two operating modes normal operating mode and programming mode In normal operating mode the Mic Kill key will be unlit and in programming mode it will be lit continuously To return the US2002 to normal operation if it has been left in programming mode tap the Mic Kill key Volume Adjustment If you are using a headset adjust the intercom listen level with the Volume control on the front panel of the US2002 If you are using a speaker adjust the intercom listen level with the Volume control on the speaker Receiving Calls 1 When there is an incoming call signal on a channel the Call key for that channel will flash red There will also be a beep tone if the beep feature has been activated page 10 2 Activate the microphone If you are using a dynamic mic headset tap the Headset key to turn the mic on if you are using a panel mounted microphone or an electret mic headset tap the Panel Mic key to turn the mic on ES You can also use the voice activated microphone Vox feature See page 30 3 Turn on the Talk and Listen keys for the calling channel and begin
36. want to operate the US2002 as a master speaker station with a separate speaker for each intercom channel Make sure the US2002 internal DIP switches are set for binaural speaker operation as described on page 10 Also set the SPS2001 Combine Isolate switch to the Isolate position With this setting the 2 intercom channels are completely separated The amplified speaker in the SPS2001 is used as the speaker output for channel 1 and the SPK 2000 is used for channel 2 This PA KP local power supply is optional When a PA KP is connected the US2002 automatically disconnects from system power that is supplied by the SPS2001 Since the US2002 is not drawing power from the intercom system more system power is available for additional belt packs etc Intercom User Station US2002 17 FRONT VIEW US 2002 PS2001L O o EEF SS TA Z Note For further information about the BACK VIEW FOR DAISY case CONNECTION cable numbers see we e 000 gt 9 age 14 pag ly 17 ly Note A BOP 1000 may be used to rack mount 2 TW 7W splitters PA KP OPTIONAL CH1 CH2 TO ADDITIONAL INTERCOM STATIONS BACK VIEW FOR HOME RUN CONNECTION a 00 ls O C KEEP CABLES FROM Vy Vy PA KP 17 i POWER SUPPLY TO OPTIONAL TW 7W AS SHORT AS POSSIBLE sO AN So la ate ee Tari Tiana CH 1 CH2 TO ADDITIONAL INTERCOM STATIONS Figure 6 US2002 Master Headset Station Configuratio
37. you begin talking Check and set the level as follows 1 Ifyou are using a headset tap the Headset key twice to turn on headset vox Or if you are using a panel microphone tap the Panel Mic key twice to turn on panel mic vox Which ever key you tap it will glow orange when the microphone is off and will flicker or turn green when sound is picked up by the microphone Position the microphone at its normal operating location If you are using a headset put the headset on and position the microphone close to your mouth Insure that background noise is at the normal operating level Do not speak into the microphone Check the Headset or Panel Mic key whichever you are using If the key is constantly glowing orange turn the vox trimmer clockwise until the key begins to flicker green mic activating then turn the trimmer slightly back in the counterclockwise direction until the Panel Mic key just returns to steady orange mic off If you are wearing a headset make sure that breathing and movement do not cause the Panel Mic key to flicker green If they do adjust the vox control slightly more in the counterclockwise direction to eliminate this Speak into the microphone in a normal voice and check that the headset key immediately turns green when you talk If it does not move the microphone closer to your mouth If you are still unable to get satisfactory results it may be that the microphone does not have the directional characteristic
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