MS2001 User Manual.p65
Contents
1. Features O Audiocom y MS 2001 O T dissar ed Mic Kill Liste Liste Oodi Am oc 1 34 T 9 9 18 14 7 10 10 12 8 11 11 15 16 17 wien YE e EIS zu ES puo S ee 9 I 1920 21 17 22 Figure 1 MS 2001 Front and Back Views 1 Dynamic Mic Headset Connector Accepts headsets with monaural headphones and either a balanced or unbalanced dynamic microphone 2 Panel Mic Electret mic Headset Connector Accepts an electret gooseneck microphone such as the Telex Model EGM 12N or EGM 18N or a monaural electret mic headset 3 Volume Control Adjusts headphone volume only 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 MS 2001 channels and all channels of any connected EMS4000 Expansion Stations 7 PAKey If the MS 2001 is connected to a public address system this key may be used to talk over the public address system 8 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 9 Intercom Talk Keys Momentary or latching h2. scssssscsssssssssssccssssccssscccssssccessseccsssccssssecsessecsssssesssccsesssssssssessess Intercom Channel Unbalanced Mode PA Output seiersen iiini in ee E Eo a E EES e eSEE EE T E Speaker Output ID GERnSOlelu i ltznnmEvllgdiioqu sss oie 0Sa Panel Microphone Amplifier eere eee eee eese eene ttn sts veiis stas tas ense tns s s ioii i Qu ick Referente D RUR Description The MS 2001 is a complete 2 channel master station and system power supply in a single unit You 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 intercom stations The MS 2001 fits in a standard 19 inch equipment rack and is 1 rack unit high The basic MS 2001 can communicate with two intercom channels This number can be increased by connecting optional EMS4000 Expansion Stations Each EMS4000 adds four additional channels and up to four of these expansion stations can be connected for a total of eighteen channels
3. PS L 1 SHORT AS POSSIBLE TWZW 17 TW 7W 17171717171717 17171717171717 CH 1 CH2 TO ADDITIONAL INTERCOM STATIONS Figure 4 MS 2001 Binaural Master Speaker Station Configuration This is a good configuration for smaller intercom systems when you want to operate the MS 2001 as a master speaker station with a separate speaker for each intercom channel Make sure the MS 2001 internal DIP switches are set for binaural speaker operation as described on page 7 Also set the Combine Isolate switch to the Isolate position With this setting the two intercom channesl are completely separated The internal amplified speaker is used as the speaker output for channel 1 and the SPK 2000 is used for channel 2 11 FRONT VIEW MS 2001 BACK VIEW qp 73 0060 2 2 1 1 AX 4 f KEEP CABLES FROM MS 2001 TO TW 7W AS SHORT AS POSSIBLE CH 1 amp CH2 CH 1 CH2 CH 1 amp Vy CH2 BP 1000 TW 7W aeeoeena 6 SS2000 TSi Bor TeCeeees CH 1 lp TO ADDITIONAL BP o INTERCOM STATIONS EF TU0D o o JR o o P 00 l oo U 5 D HEADSET LINES HEADSET UNES N BP 1000 7 2 Vy CH 1 amp CH2 CH 2 Figure 5 MS 2001 typical Speaker Station and Belt Pack Connections Typically a headset is connected to the front panel of the MS 2001 and the DIP switches are set to the monaural operation default setting so that both intercom c
4. Power Up Check q MILI Sidetone ACjUStMeNt urge e dO Normal vs Programming Mode e eeeeeee e eee eese essen eee senten sts ttn sese ta stes tasas tosta seta sense tns sn seen sensns tn Voice Activated Microphone Vox Setup Volume Adjustment R Receiving Callls g Calling an Intercom Channel cscsscssssssssscssssssssssssesessssssesesessessscssessesssensesssscsssessesssessssssssesssessesenesees Microphone Mute During Talk eese eee eee esten en tense setas tn setas tn ss tassa setas suse tn senses enses sesenta sno FABIA Using Mic P Public Address BA s isioei ete sette eto teen oroo ERN oaeo ioo Ee Re SERE Siehe E VEL SS UE ERE VE SEN YS Ue ER PRO SUE ERE ERE Using Voice Activated Microphone Vox Misses PD EO er M M Dynamic mic Headset Panel Microphone Input Incoming Call Beep On Off Program INPult Er SOSS SSE CDSS Intercom Channels Balanced Mode
5. 11 3 VDC Receive 4 VDC minimum Connector Type Uses same connectors as for balanced mode above but with pinouts modified by BAL UNBAL switches on back panel as follows XLR 3 Unbalanced Configuration Pinouts Pin 1 Common Pin 2 24 VDC input Pin 3 Intercom audio high XLR 6 Unbalanced Configuration Pinouts Pin 1 Common Pin 2 Local power 12 to 15 VDC 65 to 150 mA Pin 3 Channel 1 24 VDC input Pin 4 Channel 1 Intercom audio high and DC call Pin 5 Channel 2 24 VDC input Pin 6 Channel 2 Intercom audio high and DC call PA Output Output Level 235 mVrms 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 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 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 3db Incoming Call Beep Tone 2 kHz at the headphones Total Harmonic Distortion Less than 0 2 at 200 mW Sidetone 18 2 dB adjustable 21 Panel Microphone Amplifier Voltage Gains Mic to CHN 253 dB before limiting Mic to Headphone adjustable 45 dB 10 maximum into 150 ohms
6. Mic to PA 15 3 dB 235 mVrms 10 Frequency Response 200 Hz to 8 kHz 1 3dB Total Harmonic Distortion Less than 0 2 at CHN output VOX Range 75 to 30 dB 60 dB factory set 22 Quick Reference Press All Talk and Listen 1 Reset MS 2001 Reset EMS4000 Press All Talk 4 and Listen 5 A Press All Talk and PA then tap Call Test signal on Test signal off Tap Call then tap any other key Mic latched on Tap Headset or Panel Mic key is green Mic latched off Tap Headset or Panel Mic i Hold Headset or Panel Mic Mic momentary on 1 Release Headset or Panel Mic Mic momentary off Tap twice Headset or Panel Mic key is VOX mode on orange VOX mode off Tap Headset or Panel Mic Hold All Talk when Headset or Panel Mic is All talk on lit All Talk key is green All talk off Release All Talk Hold PA when Headset or Panel Mic is lit Public address PA key is green Tap Mic Kill then tap Talk or Listen Mic Kill key will blink green and the Talk and Listen Mic kill one channel 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 Mic kill all channels are green Tap Mic Kill to exit Hold Mic Kill then tap channel s Talk key Program on key is green Tap Mic Kill to exit Hold Mic Kill then tap channel s Talk key Program off Tap Mic Kill to exit Hold Mic Kill then tap either Call all Call Aud
7. 15 pin Female Dsub One supplied with each XP ES4000 Optional component See EMS4000 User Manual for connection information EGM MIC FRONT VIEW MS 2001 BACK VIEW FOR DAISY CHAIN CONNECTION w 70000 UA U4 CH1 CH2 TO ADDITIONAL INTERCOM STATIONS BACK VIEW FOR HOME RUN CONNECTION 6 730000 vp oth CEU CH2 KEEP CABLES FROM MS 2001 TO TW 7W AS TW ZW SHORT AS POSSIBLE 17171717171717 1 71 17 17171717 CH 1 CH2 TO ADDITIONAL INTERCOM STATIONS Figure 3 MS 2001 Monaural Master Speaker Station Configuration This is a good configuration for smaller intercom systems when you want to operate the MS 2001 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 2001 dip switches are set to monaural operation so that both intercom channels are heard in the speaker 10 EGM MIC FRONT VIEW TYPICAL RACK MOUNT SETUP MS 2001 SPK 2000 Mounted using the Optional SPK 2000 RMK S Rack Mount BACK VIEW FOR DAISY CHAIN CONNECTION w 6 1400000 pT CH1 CH2 TO ADDITIONAL INTERCOM STATIONS BACK VIEW FOR HOME RUN CONNECTION CJ cs 8 amp 0 0000 KEEP CABLES FROM MS 2001 TO TW 7W AS
8. Call key to turn off the test tone when finished 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 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 4 Tapthe 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 15 Channel 1 Channel 2 Sidetone Sidetone o Figure 8 MS 2001 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 micro phone 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 2 Position the microphone at its normal operating location If you are using a headset put the headset
9. 2001 make sure that it is properly configured for your intended usage Figure 2 shows the locations ofthe configuration switches To access internal switches remove three screws from the top cover and three screws from the bottom portion of each side 1 I L Swa Channel 1 Sidetone Channel 2 SWIS SidetoneN f R601 J6 R59J3 o aoo Ir o Figure 2 Locations of Configuration Jumpers and Switches Table 1 Configuration Switch Settings DIP Switch SW1 Internal On Unbalanced Off Balanced Typical sma TN Balanced BAL Unbalanced UNBAL Operation Both switches must be set the same Factory default is Balanced Audiocom or Clear Com Out Balanced Audiocom operation In Unbalanced Clear Com Rear Audiocom or Clear Com Out Balanced Audiocom Panel operation In Unbalanced Clear Com DIP Switch SW3 Internal Set all to monaural or all to binaural Headset microphone type Disabled Enabled oe a Sister er Sree cee Incomming call beep headset 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 pa
10. A If the PA output on the back panel of the MS 2001 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 instead of Vox make sure the proper microphone switch is turned on either Headset or Panel Mic Press and hold the PA key while talking Release it when finished Note 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 1 2 5 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 MS 2001 is in programming mode The current status of the program inputs is indicated by the Talk keys If the channel 1 Talk key is hit 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 for that channel on or off When the program inputs are configured as desired tap the Mic Kill key to exit programming mode and return to normal operation Adjust program 1 and 2 levels via the trimmers on the back panel of the MS 2001 Using Mic Kill If the Mic Kill feature has been enabled you can use it to deactivate all talk keys on a single channel or on all channels This feature is us
11. Telex User Instructions Model MS 2001 Master Station and Power Supply Audiocom Intercom Systems 9350 7703 000 Rev A 4 2001 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 interference which the user at his own expense will be required to correct C This product meets Electromagnetic Compatibility Directive 89 336 EEC TRADEMARKS Audiocom is a registered trademark of Telex Communications Names of other products mentioned herein are used for identification purposes only and may be trademarks and or registered trademarks of their respective companies WARRANTY INFORMATION Products are warranted by Telex Communications Inc to be free from defects in materials and workmanship for a period of one year from the date of sale The sole obligation of Telex during the warranty period is to provide without charge parts and labor necessary to remedy covered defects appearing in products returned prepaid to Telex This warranty does not cover any defect malfunction or failure ca
12. Unpacking Configuration Pre checkK eere ee eiie eee ee sense en sensn sense tn sense tn stus n senses enses siesta ann Table 1 Configuration Switch Settings cereis e eee eee eene eee tn se en etant tn etn stn setas tn se tns tn setas tn sensns enne Headset Microphone Type Selection DIP Switch Mic Kill Send Enable DIP Switch eese eee eese eene ensis enses tenti n stessa setas tn setas tos tasas tns sn setas tnae Program Interrupt DIP Switches 4 eerie ee eese eee eene entente nett tineis atas resos sets to sets tas en asta s vo s esisto Incoming Call Beep DIP Switches eee eese eese eee teneis etn sets ttn sosta stas ta sense tns tassa tuse tn senses stus ennue Monaural or Binaural Operation DIP Switches eee esee eee eee eene tn sets tantae tastes tasto seta sense tns tnne ipi COMMECCHIONS A External Program Input and PA Output eese eese esee n enses tensis sint ta sesta sense tassa setas tn setas tn ae Balanced Unbalanced Switches eee ee eee ee eee eee eese enses senses staat ts tastes ta sense ta sense tns sn sensn nenne Direct Program Listen Enable Disable Jumpers Cables c
13. able Connectors Two connectors are provided for each channel for loop through connection of 1 channel intercom stations such as the SS1000 BP1000 etc 19 PA Output Connects to a public address system 20 Expansion Out Connector Connects to an EMS4000 Expansion Station 21 Speaker output jacks May be used with external powered loudspeakers for monaural or binaural listening configurations 22 Balanced Unbalanced Selector Switches The selector switches sets the MS 2001 for compatibility with either Audiocom or Clear Com channel connector pin outs channel power requirements and call signaling require ments Both switches must be in the same position 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 MS 2001 ty Description MS 2001 Master Station and Power Supply Warranty and registration card User Manual Black Face Plate Q 1 1 1 2 WARNING The following instructions are for use by qualified personnel only To avoid electric shock do not remove the cover unless you are qualified to do so AVERTISSEMENT Les instructions qui suivent s adressent uniquement a un technicien qualifie Pour evite des chocs electriques ne pas ouvrir le boitier a moins d y entre habilite Configuration Pre check Before connecting the MS
14. able 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 SWI1 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 Monaural or Binaural Operation DIP Switches The MS 2001 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 2001 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 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 two 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 Switches Both of the BAL UNBAL Switches on the back
15. ands free operation possible 10 Call Keys Used to place calls on intercom channels and to indicate incoming calls 11 Intercom Listen Keys Momentary or latching operation possible 4 12 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 13 Combine Isolate Switch This recessed pushbutton 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 create two groups of completely independent users For normal operation it should be set in the isolate position 14 Channel Status Indicators and Reset Pushbutton The indicators are green for normal operation and red when there is an overload or short circuit An auto reset circuit restores normal operation after the short circuit or overload has been located and fixed 15 Universal AC Power Input The MS 2001 accepts any input power in the range of 100 240 VAC 50 60 Hz 16 2 Channel Intercom Cable Connectors One male and one female XLR 6 connector for 2 channel operation with SS2000 BP2000 etc 17 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 18 1 Channel Intercom C
16. 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 connectors Y adapter cable Sold separately Use Telex CA 23 16 Or build per Figure 7 page 14 3 ft 0 91 m speaker cable with RCA plugs One supplied with each SPS2000A SPK 1000 and SPK 2000 18 457 mm EXP IN OUT cable stereo miniplug to stereo miniplug One supplied with each EMS4000 18 457 mm CHANNEL OUTPUT cable 15 pin Male Dsub to 15 pin Male Dsub One supplied with each EMS4000 Optional component See EMS4000 User Manual for connection information Shielded patch cable 9 pin Male Dsub to 9 pin Female Dsub Customer local purchase available at Radio Shack etc Note All pins must be connected straight through do not use an RS232 computer cable Shielded patch cable stereo miniplug to stereo miniplug Customer local purchase Available at Radio Shack etc 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 PA output Pin 3 PA output 18 457 mm CHANNEL OUTPUT cable 15 pin Male Dsub to
17. cations Inc Telephone 1 800 392 3497 or 952 884 4051 Fax 1 800 323 0498 or 952 884 0043 DO NOT RETURN ANY EQUIPMENT DIRECTLY TO THE FACTORY WITHOUT FIRST OBTAINING A RETURN AUTHORIZATION Be prepared to provide the company name address phone number a person to contact regarding the return purchase order number the type and quantity of equipment a descrip tion of the problem and the serial number s Shipping to Manufacturer for Repair or Adjustment All shipments of products should be made via United Parcel Service or the best available shipper prepaid The equipment should be shipped in the original packing carton if that 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 inches of excelsior or similar shock absorbing material All returns must include the return authorization number Units sent for repair or adjustment DO NOT need a return authoriza tion number Factory Service department Telex Communications Inc West 1 Street Blue Earth MN 56013 U S A Upon completion of any repair the equipment will be returned via United Parcel Service or specified shipper collect Table of Contents DeSscEIDUOT ect tees Ae pA D eI SINT Eois ee ra aio e M sasoira b cate I qu Ou M e roas tSS M uci c Intellige emo epaien D
18. e to perform the sidetone adjustment page after all components are connected With the MS 2001 being rack mounted you may not be able to access the sidetone trimmers In this case you can position the MS 2001 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 through 7 starting on page 10 External Program Input and PA Output Connections for external program input and PA output are shown in Figure 6 page 13 EMS4000 Expansion Station Connection Optional Component Refer to the EMS4000 User Instruction Manual for detailed connection information Cables The numbers below correspond to the cable numbers in the connection drawings on the following pages l Qv pa ober 10 11 1 channel intercom cable Sold separately Use Telex ME cables below Or build per Figure 7 page 14 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 When connecting from the MS 2001 to a TW 7W keep cables as short as possible Also heavier gage wire is recommended 2 channel intercom cable Sold separately Use Telex ME 2 cables below Or build per Figure 7 page 14 ME 25 2 25 7 6 m
19. eful 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 2 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 3 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 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 micro phone 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 Note The Vox level may require adjustment see Voice Activated Microphone Vox Setup page 16 18 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 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 1s in programming mode 3 Tapeither Call key on the MS 2001
20. en 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 MS 2001 with a microphone and speaker sidetone could cause unwanted feedback since the microphone 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 See figure 8 page 16 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 Tap the channel 1 Call key to send the test tone on channel 1 Increase the volume until you can hear the test tone See i9 Using a small flat bladed screwdriver adjust the channel 1 sidetone through the access hole in the bottom of the MS 2001 Figure to minimize the tone volume 5 Tap the channel 1 Call key to turn off the test tone on channel 1 when finished 6 Tapthe channel 2 Call key and repeat the adjustment for the channel 2 sidetone 7 Tap any other key except a
21. hannels as heard in the monaural headphones binaural headphone operation is not supported Note that belt packs use less power than speaker stations and you can daisy chain more of them on a signle cable run Avoid very long cable runs with daisy chained speaker stations This example shows how you would home run an SS2000 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 12 PGM PGM PA 2IN 11IN OUT FRONT CH 1 2 x 9 9 4e pars YO XP USPG i Ge 7 e060 MS 2001 Figure 6 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 20 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 2001 to a standard 2 pin XLR audio cable Note The XP USPG Breakout Panel can be rack mounted using a BOP 1000 Rack Mount Plate 13 TYPICAL 1 CHANNEL CABLE WIRING Dew ommo 1 iod S03 1 Both wires Shield rcd s Meee Shield Cable Type 22AWG Stranded 2 Pair Twisted wire with Shield Connector Type 3 Pin XLR Audio Neutrik
22. ible call alert on keys are red Tap Mic Kill to exit Hold Mic Kill then tap either Call Tap Mic Audible call alert off Kill to exit Tum Mic Kill key off Talk latched on Talk latched off Talk momentary on Call signal on Call signal off Receive call signal Listen latched on Listen latched off TPP Listen Listen momentary on Hold Listen 23
23. nel If the headset specifications indicate the microphone type 1s 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 2001 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 1s 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 2001 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 inter rupt during talk You can change this as follows 1 For channel 1 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 en
24. ng mode it will be lit continuously To return the MS 2001 to normal operation if it has been left in programming mode tap the Mic Kill key 16 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 2001 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 7 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 16 3 Turnon the Talk and Listen keys for the calling channel and begin your conversation 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 as long as you hold it and it will turn off when you release it Calling an Intercom Channel 1 Press and hold the Call key for the channel that you wa
25. ns using the standard cables Audiocom power supplies use a 3 pin male Neutrik connector for each channel Audiocom wallplates use male Neutrik connectors Figure 7 Audiocom Intercom Cables 14 Power Up Check Plug in the MS 2001 When power is first applied to the MS 2001 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 2001 also reads the settings of all DIP switches at this time and configures itself accordingly Test Tone The MS 2001 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 1 Simultaneously press the All Talk and PA keys to activate the test tone 2 Tap the Call key for the channel that you want to test can be either a MS 2001 channel or an EMS4000 chan nel 3 Verify that the test tone can be heard at all intercom stations on the channel Replace any defective cable or intercom station where the test tone 1s being lost 4 Tap the same Call key to stop the test signal on that channel 5 Press any key except a Call key to turn off the test tone Sidetone Adjustment The MS 2001 uses full duplex audio the same as a conventional telephone line in which the talk and list
26. nt 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 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 Headset key to turn it on for a panel mounted microphone or electret headset tap the Panel Mic key to turn it on 4 Turn on the Talk key for the channel you called to begin you conversation 5 Turn off your 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 listens activated This applies to both channels of the MS 2001 as well as all talk channels of any connected EMS4000 Expansion Stations Use All Talk as follows 1 If you are using manual microphone activation instead of Vox make sure the proper microphone switch is turned on either Headset or Panel Mic Press and hold the All Talk key while talking Release it when finished Note To insure that the All Talk key is never accidentally left in the on position it does not latch 17 Public Address P
27. on and position 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 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 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 1s recommended when using Vox Omnidirectional microphones may not produce good results Operation Note A quick reference to the following operating features can be found on the inside of the back cover Normal vs Programming Mode The MS 2001 has two operating modes normal operating mode and programming mode In normal operating mode the Mic Kill key will be unlit and in programmi
28. or Switchcraft Pin 1 Common Pin 2 Channel Audio Power d Denotes twisted pair Pin 3 Channel Audio Power Shield Earth ground TYPICAL 2 CHANNEL CABLE WIRING Denotes shield FEM taa gt 4 3 q r i Pair 1 L 3 lt Pair 2 d 1 t il Pair 3 i E 1 Both wires Shield 4 Seat Ml eee 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 f Denotes twisted pair Pin 4 Channel 1 Audio Power A Pin 5 Channel 2 Audio Power Denotes shield Pin 6 Channel 2 Audio Power Shield Earth ground Y CABLE WIRING os gt 4 Case Pairi ios J Pair 2 E EE gt Pair3 7 1 Both wires Ch2 T M Pi gt Shield lt i M 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 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 statio
29. 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 systems Direct Program Listen Enable Disable Jumpers By default each MS 2001 program input can be heard by all intercom stations that are listening on the correspond ing intercom channel This includes the MS 2001 Program input routing to the intercom channels can be turned on or off via the MS 2001 front panel programming See Turning the Program Inputs On and Off page Addition ally all program signals can be routed directly to the MS 2001 speaker or headset This lets the MS 2001 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 Table 2 Direct Program Listen Enable Disable Jumpers fees rar SUMPSIT J3 Program 1 direct to Headset Pins 2 amp 3 Shorted Enable or Speaker Pins 1 amp 2 Shorted Disable Program 2 direct to Headset Pins 2 amp 3 Shorted Enable or Speaker Pins 1 amp 2 Shorted Disable Mounting The MS 2001 mounts in a standard 19 inch equipment rack and is 1 rack unit high When mounting the MS 2001 install the supplied black face plates on the appropriate side The face plates should be mounted with the groves on the top Note You will hav
30. t high Pin8 NC Pin9 NC Intercom Channels Balanced Mode Both Back Panel switches BAL UNBAL must be set to same setting 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 permits loop thru connec tion Two XLR 6M Neutrik connectors for 2 channel connection XLR 3 Balanced Configuration Pinouts Pin 1 Common Pin 2 Intercom audio low and 24 VDC input Pin 3 Intercom audio high and 24 VDC input XLR 6 Balanced Configuration Pinouts Pin 1 Audio and DC Common Pin 2 Local power 12 to 15 VDC 65 to 150 mA Pin 3 Intercom channel audio low and 24 VDC phantom power Pin 4 Intercom channel audio high and 24 VDC phantom power Pin 5 Intercom channel 2 audio low and 24 VDC phantom power Pin 6 Intercom channel 2 audio high and 24 VDC phantom power 20 Intercom Channel Unbalanced Mode Both Back Panel switches BAL UNBAL have to be set to same setting Output Level 1 Vrms 10 Input Impedance 150 ohms Bridging Impedance greater than 10 000 ohms Call Signaling Send
31. to turn the beep feature on or off It doesn t matter which one you tap since this feature affects both channels 4 Tapthe Mic Kill key to return to normal operation 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 Dimensions 1 75 44 5 mm high x 19 483 mm wide x 10 31 261 9 mm deep Weight approximately 4 51b 2 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 Pini Microphone low Pin2 Microphone high Pin3 Headphone high Pin4 Headphone low Panel Microphone Input Microphone Type Electret condenser Power Phantom 5 VDC Nominal Level 42 dBu Maximum Level 25 dBu Connector Type 1 4 inch 3 conductor phone jack with threaded bushing Tip Audio and DC bias Ring Audio Sleeve No connection 19 Program Input Input Level 100mV 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 Pint Ground Pin2 Program 1 input low Pin3 Program 2 input low Pin4 NC Pin5 NC Pin6 Program 1 input high Pin7 Program 2 inpu
32. used beyond the control of Telex including unreason able or negligent operation abuse accident failure to follow instructions in the manual defective or improper associated equipment attempts at modification and repair not authorized by Telex and shipping damage Products with their serial numbers removed or effaced are not covered by this warranty To obtain warranty service follow the procedures entitled Procedure for Returns and Shipping to Manufacturer for Repair or Adjustment This warranty is the sole and exclusive express warranty given with respect to Audiocom products It is the responsibility of the user to determine before purchase that this product is suitable for the user s intended purpose ANY AND ALL IMPLIED WARRANTIES INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY ARE LIMITED TO THE DURATION OF THIS EXPRESS LIMITED WAR RANT Y NEITHER TELEX NOR THE DEALER WHO SELLS TELEX PRODUCTS IS LIABLE FOR INCIDENTAL OR CONSEQUEN TIAL DAMAGES OF ANY KIND CUSTOMER SUPPORT Technical questions should be directed to Customer Service Department Telex 12000 Portland Avenue South Burnsville MN 55337 U S A Telephone 952 884 4051 Fax 952 884 0043 RETURN SHIPPING INSTRUCTIONS Procedure for Returns If a return is necessary contact the dealer where this unit was purchased If a return through the dealer is not possible obtain a RETURN AUTHORIZATION from Customer Service Department Telex Communi
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