User Manual
Contents
1. Audiocom Innovative solutions for today s communications MS 2002 Master Station and Power Supply User Manual 9350 7749 000 Rev E December 2006 PROPRIETARY NOTICE The product information and design disclosed herein were originated by and are the property of Telex Communications Inc Telex 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 2006 by Telex Communications Inc All rights reserved Reproduction in whole or in part without prior written permission from Telex is prohibited WARRANTY NOTICE See the enclosed warranty card for further details CUSTOMER SUPPORT Technical questions should be directed to Customer Service Department RTS Telex Communications Inc 12000 Portland Avenue South Burnsville MN 55337 USA Telephone 800 392 3497 Fax 800 323 0498 Factory Service 800 553 5992 RETURN SHIPPING INSTRUCTIONS Customer Service Department Telex Communications 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 type and quantity of equipment a description of the problem and the serial number s SHIPPING TO THE MANUFACTURER All shi2. FIGURE 7 Audiocom Intercom Cables 15 Installation 16 CHAPTER 3 Operation and Specifications Power Up Check Plug in the MS 2002 When power is first applied to the MS 2002 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 MS 2002 also reads the settings of all DIP switches at this time and configures itself accordingly Test Tone The MS 2002 can generate a test tone which can be used to verify intercom channels 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 MS 2002 channel or an EMS4001 channel Verify that the test tone can be heard at all intercom stations on the channel Replace any defective cable or intercom stations where the test tone is being lost Tap the same Call key to stop the test signal on that channel ii e Nes Press any key except a Call key to turn off the test tone Sidetone Adjustment The MS 2002 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 t
3. Send 11 3 VDC Receive 4 VDC minimum Connector Type Uses same connectors as for balanced mode above but without pinouts modified by BAL UNBAL switch on back panel as follows XLR 3 Unbalanced Configuration Pinouts Pin Common Pin2 24 VDC input Pin3 Intercom audio high XLR 3 Unbalanced Configuration Pinouts Pin 1 Common Pin2 Local Power 12 to 15 VDC 65 to 150mA Pin3 Channel 1 24 VDC input Pin4 Channel 1 Intercom audio high and DC call Pin5 Channel 2 24 VDC input Pin6 Channel 1 Intercom audio high and DC call PA Output Output Level 235 m VRMS nominal Connector Type 1 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 3 dB Connector Type RCA Phono Jack Tip Speaker output high Sleeve Common Expansion Input Output Type 2 0 mm stereo phone jack Tip Tip Output Ring Listen input Sleeve Common Headphone Amplifier Voltage Gain 30 3 dB Maximum Output 250 mW 10 into 150 ohms 65 mW 10 into 600 ohms Frequency Response 200 Hz to 8 kHz 1 3 dB Incoming Call Beep Tone 2 kHz at the headphones Total Harmonic Distortion Less than 0 2 at 200 mW Sidetone 18 dB adjustable 23 Operation and Specifications Notes 24 Quick Reference Quick Reference Description Reset MS 2002 Reset EMS 4001
4. installation Volume Control Adjusts headphone volume only 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 MS 2002 channels and all channels of any connected EMS4001 Expansion Stations PA Key If the MS 2002 is connected to a public address system this key may be used to talk over the public address system Mic Kill 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 11 12 Intercom Listen Keys Momentary or latching operation possible Speaker Volume Control The volume control adjusts the level to the front panel speaker If an external speaker is used volume must be adjusted at the external speaker Combine Isolate Switch This recessed push button switch lets you combine the audio signals of the two channels to create a single audio channel where all users can intercommunicate Or you can isolate each channel to crea
5. Pin XLR Audio Neutrik or Switchcraft Pin 1 Common Pin 2 Channel Audio Power 4 Denotes twistedipair Pin 3 Channel Audio Power Shield Earth ground TYPICAL 2 CHANNEL CABLE WIRING Pair 1 A vd 3 Pair 2 l Fa 3 Pair 3 i E x 1 Both wires vi Shield 3 Denotes 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 Pd Denotes twisted pair Pin 4 Channel 1 Audio Power n Pin 5 Channel 2 Audio Power Denotes shield Pin 6 Channel 2 Audio Power Shield Earth ground 3 Y CABLE WIRING Chi A s si Case lt i Pair 1 1 Both wires 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 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
6. RnS REAREN 3 Call and Intercom Channel 19 DAS EIUS AO RE RR O RETTA 3 Microphone Mute During Talk 20 AU Talk sca 20 Chapter 2 Public Address PA issiria 20 Installation piscia 5 Turning the Program Inputs ON and OFF 20 Configuration Pre check 5 Using Mic Kill Lola 20 Headset Microphone Type Using Voice Activated Microphone Vox 21 Selection DIP Switch rca 7 Incoming Call Beep ON OFF 21 Mic Kill Send Enable DIP Switch 7 Specifications sciita iaia ricrea 22 Program Interrupt DIP Switches 7 Quick Reference curata 25 Incoming Call Beep DIP Switches 7 Monaural or Binaural Operation DIP Switches ela 8 Balanced Unbalance Switches 8 Direct Program Listen Enable Disable Jumpers 8 MOUNDE cass cncccnecsanceresconsaonsedendsuqseanseenedeaeosaniande 9 CONICEUONS iano 9 External Program Input and PA Output 9 Cles anioni 9 Chapter 3 Operation and Specifications 17 Power Up Check ssaa 17 Test TONE chee cesses sree saaan aa T 17 Sidetone Adjustment verrei 17 Voice Activated Microphone VOX SOUP roi 18 Operation alias 19 Normal vs Programming Mode 19 CHAPTER 1 Introduction Description The MS 2002 is a complete 2 channel master s
7. Test signal ON Test signal OFF Mic latched ON Mic latched OFF Mic momentary ON VOX mode ON VOX mode OFF All talk ON All talk OFF Public address Mic kill one channel Mic kill all channels Program ON Program OFF Audible call alert ON Audible call alert OFF Turn mic kill key OFF Talk latched ON Talk latched OFF Talk momentary ON Talk momentary OFF Call signal ON Call signal OFF Receive call signal Listen latched ON Listen latched OFF Listen momentary ON Action Press All Talk and Listen 1 Press All Talk and Listen 5 Press All Talk and PA then tap Call Tap Call then tap any other key Tap Headset or Panel Mic key is green Tap Headset or Panel Mic Hold Headset or Panel Mic Tap twice Headset or Panel Mic Tap Headset or Panel Mic Hold All Talk when Headset or Panel Mic is lit All Talk key is green Release All Talk 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 green Tap Mic Kill to exit Tap Mic Kill then tap All Talk Mic Kill key will blink green and all Talk and Listen keys are green Tap Mic Kill to exit Hold Mic Kill then tap channel s Talk key key is green Tap Mic Kill to exit Hold Mic Kill then tap the channel s talk key Tap Mic Kill to exit Hold Mic Kill then tap either Call all Call keys are red Tap Mic Kill to exit Hold Mic Kill then tap either Call Tap
8. The MS 2002 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 MS 2002 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 left Volume control on the front panel of the MS 2002 If you are using a speaker adjust the intercom listen level with the right Volume control next to the speaker External speakers will require their own volume controls 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 21 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 NOTE You can also use the voice activated microphone Vox feature See page 21 3 Turn on the Talk and Listen keys for the calling channel and begin your conversation 4 Turn the keys off when finished NOTE 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
9. on the back panel are set at the factory to the balanced BAL position for use with Audiocom intercom channels Set the switches to the unbalanced UNBAL position for use with a Clear Com intercom system Direct Program Listen Enable Disable Jumpers By default each MS 2002 program input can be heard by all intercom stations that are listening on the corresponding intercom channel This includes the MS 2002 Program input routing to the intercom channels can be turned ON or OFF via the MS 2002 speaker or headset This lets the MS 2002 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 Jumper Description Settings for Jumpers Pins 2 amp 3 Shorted Enabled Pins 1 amp 2 Shorted Disabled Pins 2 amp 3 Shorted Enabled Pins 1 amp 2 Shorted Disabled TABLE 2 Direct Program Listen Enable Disable Jumpers J3 Program 1 direct to Headset or Speaker J4 Program 2 direct to Headset or Speaker Mounting Mounting The MS 2002 mounts in a standard 19 inch equipment rack and is 1 rack unit RU high When mounting the MS 2002 install the supplied black face plates on the appropriate side The face plates should be mounted with the grooves on the top NOTE You will have to perform the sidetone adjustment page 17 after all components are connecte
10. 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 MS 2002 is connected to a public address system you can talk on the public address system as follows 1 Ifyou are using manual microphone activation instead of Vox 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 NOTE To insure the PA key is never accidently left in the ON position it does not have latching operation Turning the Program Inputs ON and OFF 1 Insure that program inputs have been connected at the back panel and that the program sources are ON 2 Press and hold the Mic Kill key for about 2 seconds then release it It should now be glowing green to indicate that the MS 2002 is in programming mode 3 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 input ON or OFF 4 When the program inputs are configured as desired tap the Mic Kill key to exit programming mode and return to normal operation 5 Adjust program and 2 levels via the trimmers on the back panel of the MS 2002 Using Mic Kill If the Mic Kill feature has been enabled you can use it
11. then turn the beep tone ON or OFF via the front panel during normal operation Enable the beep tone as follows Make sure the call signal receive DIP switches are ON SW1 3 and SW1 5 For incoming call beep in a headset set SW3 1 to OFF For incoming call beep in speaker 1 set SW3 1 to OFF and SW3 3 to ON For incoming call beep in speaker 2 set SW3 1 to OFF and SW3 4 to ON The procedure to turn incoming call beep ON or OFF during operation can be found on page 21 Gi OB Ro N Installation Monaural or Binaural Operation DIP Switches The MS 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 front panel speaker The combined signals also go to the Speaker 1 jack on the back panel The MS 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 1 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 ao pa oO ON For binaural operation with two 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 ao PF ON Balanced Unbalance Switches Both of the BAL UNBAL Switches
12. 000A Optional component See EMS4001 User Manual for connection information 10 Cables MCP 90 XX FRONT VIEW MS 2002 i z EF FE Ms BACK VIEW FOR DAISY CHAIN CONNECTION 6 730006 y y CH1 CH2 TO ADDITIONAL INTERCOM STATIONS BACK VIEW FOR HOME RUN CONNECTION Li e 0000 uv 1 CH 1 CH2 KEEP CABLES FROM MS 2002 TO TW 7W AS SHORT AS POSSIBLE aaa alal CH 1 CH2 TO ADDITIONAL INTERCOM STATIONS FIGURE 3 MS 2002 Monaural Master Speaker Station Configuration This is good configuration for smaller intercom systems when you want to operate the MS 2002 as a master speaker station with one speaker to monitor both intercom channels In this configuration the Combine Isolate switch is set to the Isolate position With this setting the 2 intercom channels are completely separated The MS 2002 dip switches are set to monaural operation so that both intercom channels are heard in the speaker 11 Installation MCP 90 XX FRONT VIEW TYPICAL RACK MOUNT SETUP MS 2002 SPK 2000 Mounted using the Optional SPK 2000 RMK S Rack Mount BACK VIEW FOR DAISY CHAIN CONNECTION 00 amp ie 6060 op aa onli PA_KP CH1 CH2 TO ADDITIONAL INTERCOM STATIONS BACK VIEW FOR HOME RUN CONNECTION v e e0000 KEEP CABLES FROM MS 200
13. 1 7 Program 2 Off Off No Interrupt On Interrupt During Talk SW1 8 Program 1 Off Off No Interrupt BALANCED BAL UNBALANCED UNBAL OPERATION BOTH SWITCHES MUST BE SET THE SAME FACTORY DEFAULT IS BALANCED Out Balanced Audiocom Rear Panel Audiocom or Clear Com operation Out BAL In Unbalanced Clear Com Out Balanced Audiocom Rear Panel Audiocom or Clear Com operation Out BAL In Unbalanced Clear Com Dip SWITCH SW3 INTERNAL SET ALL TO MONAURAL OR ALL TO BINAURAL On Disabled SW3 1 Incoming Call Beep Off Off Enabled On Enabled Binaural SW3 2 Listen 1 to speaker 1 only j off Off Disabled Monaural On Enabled SW3 1 must be OFF SW3 3 Incoming Call Beep Speaker 1 Off Off Disabled On Enabled SW3 1 must be OFF SW3 4 Incoming Call Beep Speaker 2 i Off Off Disabled On Enabled Monaural SW3 5 Listen 2 to Right Headphone i On Off Disabled Binaural On Enabled Binaural SW3 6 Listen 2 to Speaker 1 f Off Off Disabled Monaural A On Enabled Monaural SW3 7 Listen 2 to Speaker 2 I On Off Disabled Binaural On Enabled Monaural SW3 8 Listen 1 to Left Headphone On Off Disabled Binaural TABLE 1 Configuration Switch Table Headset Microphone Type Selection DIP Switch Headset Microphone Type Selection DIP Switch SWI 1 applies only to a dynamic mic headset connected to the dynamic mic headset jack on the front panel If the headset specifications in
14. 2 TO TW 7W AS 1 SHORT AS POSSIBLE PA KP qTw 7w 1 TW 7W 17171717171717 17171717171717 CH 1 CH 2 TO ADDITIONAL INTERCOM STATIONS FIGURE 4 MS 2002 Binaural Master Speaker Station Configuration This is a good configuration for smaller intercom systems when you want to operate the MS 2002 as a master speaker station with a separate speaker for each intercom channel Make sure the MS 2002 intercom DIP switches are set for binaural speaker operation as described on page 8 Also set the Combine Isolate switch to the Isolate position With this setting the two intercom channels are completely separated The internal amplified speaker is used as the speaker output for channel 1 and the SPK 2000 is used for channel 12 Cables FRONT VIEW MS 2002 BACK VIEW 2p 2 CH1 amp CH2 CH1 amp CH 2 BP 2002 CH1 amp CH2 GI o e HEADSET LINES 06006 7y y KEEP CABLES FROM MS 2002 TO TW 7W AS SHORT AS POSSIBLE CH2 Vy BP 1002 e CH 1 1y TO ADDITIONAL BP 1002 INTERCOM STATIONS O BP 1002 1 o o LI oo HEADSET LINES TW 7W aoannend 17171717171717 FIGURE 5 MS 2002 Typical Speaker Station and Belt Pack Connections Typically a headset is connected to the front panel of the MS 2002 and the DIP switches are set to the monaural operation default setting s
15. Mic Kill to exit Tap Mic Kill Tap Talk key is green Tap Talk Hold Talk Release Talk Hold Call Release Call Call key blinks red Tap Listen key is green Tap Listen Hold Listen 25 TTD TELEX COMMUNICATIONS BE HEARD
16. alk on a channel you will also hear your own voice back in the speaker or headphones This is called sidetone If you are using the MS 2002 with a microphone and speaker sidetone could cause unwanted feedback since the microphone may pick up your returned voice audio and reamplify it This could also happen if you are using a headset when 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 See Figure 8 on page 18 for the adjustment locations If you are using a speaker and microphone or open ear style headphones adjust sidetone as follows 1 Simultaneously press the All Talk and PA keys to activate the test tone 2 Tap the channel 1 Call key to send the test tone on channel 1 17 Operation and Specifications Increase the volume until you can hear the test tone Using a small flat bladed screwdriver adjust the channel 1 sidetone through the access hole in the bottom of the MS 2002 Figure 8 to minimize the tone volume Tap the channel 1 Call key to turn off the test tone on channel 1 when finished Tap the channel 2 Call key and repeat the adjustment for channel 2 sidetone Tap any other key except a Call key to turn off the test tone whe
17. anced Mode Both Back Panel and Internal Switches BAL UNBAL must be set to the same setting Output Level 1VRMS nominal Input Impedance 300 ohms Bridging Impedance greater than 10 000 ohms Sidetone 40dB 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 permits loop thru connection Two XLR 6M Neutrik connectors for 2 channel connection XLR 3 Balanced Configuration Pinouts Pin Common Pin 2 Intercom audio low and 24 VDC input Pin3 Intercom audio high and 24 VDC input XLR 3 Balanced Configuration Pinouts Pinl Audio and DC Common Pin2 Local Power 12 to 15 VDC 65 to 150mA Pin3 Intercom channel 1 audio low and 24 VDC phantom power Pin4 Intercom channel 1 audio high and 24 VDC phantom power Pin5 Intercom channel 2 audio low and 24 VDC phantom power Pin6 Intercom channel 2 audio high and 24 VDC phantom power Intercom Channel Unbalanced Mode Both Back Panel and Internal Switches BAL UNBAL have to be set to the same setting Output Level 1VRMS 10 Input Impedance 150 ohms Bridging Impedance greater than 10 000 ohms 22 Specifications Call Signaling
18. as long as you hold it and it will turn OFF when you release it Call and Intercom Channel 1 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 19 Operation and Specifications 2 When you hear a response release the Call key 3 Ifyou are using manual microphone activation instead of Vox make sure your microphone is on for a dynamic mic headset tap the Panel Mic key to turn it on 4 Turn on the Talk key for the channel you called to begin your conversation 5 Turnoff you Talk and Listen keys to end the conversation 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 listen keys activated This applies to both channels of the MS 2002 as well as all talk channels of any connected EMS4001 Expansion Stations Use All Talk as follows 1 Ifyou are using manual microphone activation instead of Vox 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 NOTE To insure
19. d With the MS 2002 being rack mounted you may not be able to access the sidetone trimmers In this case you can position the MS 2002 in the rack and make all required connections Then adjust the sidetone trimmers before installing and tightening all rack mount screws Connections Refer to the following paragraphs and the sample connection drawings shown in Figures 3 to 6 External Program Input and PA Output Connection for external program input and PA output are shown in Figure 6 on page 14 EMS4001 Expansion Station Connection Optional Component Refer to the EMS4001 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 7 on page 15 ME 25 25 7 6 m cable with Male and Female 3 pin XLR connectors ME 50 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 NOTE When connecting from the MS 2002 to a TW 7W keep cables as short as possible Also heavier gage wire is recommended 2 2 channel intercom cable Sold separately Use Telex ME 2 cables below Or build per Figure 7 on page 15 ME 25 25 7 6 m cable with Male and Female 6 pin XLR connectors ME 50 50 15 2 m cable with Male and Female 6 pin XLR co
20. dicate 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 cardioid microphone is highly recommended This is especially true if you are using the Vox feature Mic Kill Send Enable DIP Switch The MS 2002 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 MS 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 1 For 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
21. hannels 4 Tap the Mic Kill key to return to normal operation 21 Operation and Specifications Specifications General Power Requirements AC Input 100 240 VAC 50 60 Hz Channel Power 24 VDC nominal 12 to 30 VDC 65 to 150 mA MS2002 is capable of supplying 2 amps overall 1 Amp per channel Dimensions 1 75 44 5 mm high x 19 483 mm wide x 10 31 261 9 mm deep Weight approximately 4 51b 2kg 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 Pin 3 Headphone high Pin 4 Headphone low Panel Microphone Input Microphone Type Electret condenser Power Phantom 5 VDC Nominal Level 42 dBu Maximum Level 25 dBu Connector Type IKP12 MCP 90 series stereo plug connector Program Input Input Level 100m V maximum Voltage Gain 25 3 dB Output Level to intercom channel 1 0 VRMS nominal 2 3 VRMS max Input Impedance 75 kohm Common Mode Rejection Greater than 50 dB Connector Type 9 pin female D sub DE9S Pin 1 Ground Pin2 Program input low Pin3 Program 2 input low Pin4d NC Pin5 NC Pin6 Program 1 input high Pin7 Program 2 input high Ping NC Pin9 NC Intercom Channels Bal
22. n finished If you are using headphones that completely enclose the ears adjust the sidetone as follows Tap the Headset key to turn the headset microphone ON Tap the channel 1 Talk key to turn it ON While speaking into the microphone use a small flat bladed screwdriver to adjust the channel 1 sidetone so that you hear your voice at an acceptable level in the headphones Tap the channel 1 Talk key to turn it OFF when finished 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 Channel 1 Channel 2 Sidetone Sidetone FIGURE 8 MS 2002 Bottom View Voice Activated Microphone Vox Setup If you 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 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 Whichever 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 18 Operation 2 Position the microphone at its normal operation location If you are using a headset put the headset on and p
23. nnectors ME 100 100 30 4 m cable with Male and Female 6 pin XLR connectors Y adapter cable Sold Separately Use Telex CA 23 16 Or build per Figure 7 on page 15 3 ft 0 91 m speaker cable with RCA plugs One supplied with each SPS2001 and SPK2000 18 457 mm EXP IN OUT cable stereo miniplug to stereo miniplug One supplied with each EMS4001 18 457 mm CHANNEL OUTPUT cable 15 pin Male Dsub to 15 pin Male Dsub One supplied with each EMS4001 Optional component See EMS4001 User Manual for connection information DOU PO 7 Shielded patch cable 9 pin Male Dsub to 9 pin Female Dsub Customer local purchase available at most electronic stores NOTE All pins must be connected straight through do not use an RS232 computer cable Installation 10 11 Shielded patch cable stereo miniplug to stereo miniplug Customer local purchase Available at most electronic stores Shielded audio cable Must have male 3 pin XLR connector at one end for connection to the XP USPG or XP 4PGM program inputs Pin out for program inputs is as follows Pin 1 common Pin 2 program input Pin 3 program input Shielded audio cable Must have male 3 pin XLR connector at one end for connection to the XP USPG PA output Pin out for PA output is as follows Pin 1 common Pin 2 program input Pin 3 program input 18 457 mm CHANNEL OUTPUT cable 15 pin Male Dsub to 15 pin Female Dsub One supplied with each XP ES4
24. o that both intercom channels are heard in the monaural headphones binaural headphone operation is not supported Note beltpacks use less power than speaker stations and you can daisy chain more of them on a single cable run Avoid very long cable runs with daisy chained speaker stations This example shows how you would home run a SS2002 speaker station when the cable is very long Also set the Combine Isolate switch to the Isolate position With this setting the 2 intercom channels are completely separated 13 Installation PGM PGM 2IN 1IN XP USPG o WX N EG C LI AOAO MS 2002 FIGURE 6 External Audio Input and PA Output You can connect to 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 starting on page 22 for connector pin out However a more convenient method is to use an XP USPG Breakout Panel as shown The XP USPG also interfaces the PA jack of the MS 2002 to a standard 2 pin XLR audio cable Note The SP USPG Breakout Panel can be rack mounted using a BOP 1000 Rack Mount Plate 14 Cables TYPICAL 1 CHANNEL CABLE WIRING Pair 1 i E Z a 1 Both wires gt Misc Shield Cable Type 22AWG Stranded 2 Pair Twisted wire with Shield Connector Type 3
25. osition the microphone close to your mouth Insure that background noise is at the normal operating level 3 Do not speak into the microphone 4 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 counter clockwise 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 counter clockwise direction to eliminate this 5 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 characteristics required for the noise level in the room A directional or cardioid microphone is recommended when using Vox Omnidirectional microphones mode the Mic Kill key will be unlit and in programming mode it will be lit continuously To return the MS 2002 to normal operation if it has been left in programming mode tap the Mic Kill key Operation NOTE A quick reference to the following features can be found on the inside of the back cover Normal vs Programming Mode
26. pments 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 shock absorbing material All shipments must be sent to the following address and must include the Proof of Purchase for warranty repair Upon com pletion of any repair the equipment will be returned via United Parcel Service or specified shipper collect Factory Service Department Telex Communications Inc 8601 East Cornhusker Hwy Lincoln NE 68507 U S A Attn Service This package should include the following PART QTY DESCRIPTION NUMBER 1 Power Cord Requirements 38109 668 1 Statement of Conformity 38109 675 1 Warranty 38110 390 1 User Manual 9350 7749 000 1 1 1 4 Face Plate Right Black 91607353 003 1 1 1 4 Face Plate Left Black 91607353 002 1 Power Cord 25040003 00 1 MS2002 Final Assembly 9010 7749 000 2 Rack Mount Bracket 9110 7353 000 Audiocom Innovative solutions for today s communications Table of Contents Chapter 1 Volume Adjustment iii 19 hreduicioni helle 3 Rein LA 19 DGS Cri seara r
27. signaling requirements Both switches must be in the same position CHAPTER 2 Installation Configuration Pre check Before connecting the MS 2002 make sure it is properly configured for you intended usage Figure 2 shows the locations of the configuration switches To access internal switches remove three screws from the top cover and three screws from the bottom portion of each side SW3 Channel 1 Swi Sidetone Channel 2 Sidetone N L AN Am ooo Doo R601 J6 R5943 FIGURE 2 Locations of Configuration Jumpers and Switches Installation Switch Description Settings Default DIP SWITCH SWI INTERNAL F On Unbalanced SWI 1 Headset Microphone Type Off Off Balanced F On Enabled SW1 2 Call Signal Send channel 1 On Off Disabled On Enabled SWI1 3 Call Signal Receive channel 1 On Off Disabled On Enabled SW1 4 Call Signal Send channel 2 On Off Disabled 7 On Enabled SW1 5 Call Signal Receive channel 2 On Off Disabled ose On Enabled SW1 6 Mic Kill Signal Send Off Off Disabled On Interrupt During Talk SW
28. tation and system power supply 24 VDC 2 Amps total power in a single unit Simply plug it into any AC power outlet from 100 to 240 volts add a microphone or headset connect intercom stations to the back panel and you re ready to communicate It even has both 1 channel and 2 channel connectors so you don t have to add a separate breakout box if you want to mix 1 channel and 2 channel stations The MS 2002 fits in a standard 19 inch equip ment rack and is 1 rack unit high The basic MS 2002 can communicate with two intercom channels This number can be increased by connecting optional EMS 4001 Expansion Stations Each EMS4001 adds four addition channels and up to four of these expansion stations can be connected for a total of eighteen channels Features MS 2002 KOL ono 12 cHNT Ai v o 9 ma Telex gt mwote neu PA FIGURE 1 MS 2002 Reference View Introduction 1 o 1 w 14 1 a 17 18 1 2 2 O O 22 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 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
29. te two groups of completely independent users For normal operation it should be set in the isolate position Channel Status Indicators and Reset Push buttons The indicators are green for normal operation and red when there is an overload or short circuit The Reset push button restores normal operation after the short circuit or overload has been located and fixed Universal AC Power Input The MS 2002 accepts any input power in the range of 100 240 VAD 50 60 Hz 16 2 channel Intercom Cable Connectors One male and one female XLR 6 connector for 2 channel operation with SS2002 BP 2002 etc 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 1 channel Intercom Cable Connectors Two connectors are provided for each channel for loop through connection of 1 channel intercom stations such as the SS1002 BP1002 etc PA Output Connects to a public address system Expansion Out Connector Connects to an EMS4001 Expansion Station Speaker Output Jacks May be used with external powered loudspeakers for monaural or binaural listening configurations Balanced Unbalanced Selector Switches The selector switches sets the MS 2002 for compatibility with either Audiocom or Clear Com channel connector pin outs channel power requirements and call
30. 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 20 Using Voice Activated Microphone Vox Using Voice Activated Microphone Vox If you use Vox you will not have to insure the microphone key is turned ON whenever you want to talk Activate Vox as follows 1 Make sure the Headset and Panel Mic keys are OFF 2 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 Whichever key you tap it will glow orange when the microphone is OFF and will flicker or turn green when the microphone is OFF and will flicker and turn green when the microphone turns ON NOTE The Vox level may require adjustment see Voice Activated Microphone vox Setup page 21 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 1 Ensure that this feature has been activated via internal switches page 7 2 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 3 Tap either Call key on the MS 2002 to turn the beep feature ON or OFF It doesn t matter which one you tap since this feature affects both c
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