Telex EMS-4001 User's Manual
Contents
1. 11 Expansion Input OUCDUL siemens spes en aaa cei Enn peu eh se Peu PEN IU EX eX Kos esse sses PED 11 Description The EMS 4001 adds four powered intercom channels to an MS 2001 Master Station and it provides talk listen and call buttons for the added channels Up to four EMS 4001 Expansion Master Stations may be connected to the MS 2001 to add up to 16 channels 18 channels total The MS 2001 microphone is used to talkback to the EMS 4001 channels and the MS 2001 speaker is typically used for listening However there are also separate speaker jacks on the back panel of the EMS 4001 for independent monitor speakers if desired There are also 4 additional program inputs on the back of the EMS 4001 one for each added channel The MS 2001 EMS 4001 combination can be used as a simple multichannel intercom user station In this configura tion the program inputs and possibly the PA output of the MS 2001 are most likely not used and the station operator has only talk listen and call capability It is also possible that advanced features of the MS 2001 such as Mic Kill Send might be turned off Alternatively the MS 2001 EMS 4001 can be used as a master station In this application one or more program inputs and the PA output may be connected and the program signals to the inter com channels can be turned on or off from the MS 2001 Additionally the Mic Kill Send feature can be enabled and microphones on any channels may then2. 7 Audiocom Call Send CH 4 On Closed Enabled On Off Open Disabled SW1 8 Audiocom Call Receive CH 4 On Closed Enabled On Balanced BAL Unbalanced UNBAL operation Important Both Switches on the back of the unit must be set the same Off Open N A SW1 Audiocom or Clear Com On Audiocom BAL Out Operation Off Clear Com UNBAL Sw2 Audiocom or Clear Com On Audiocom BAL Out Operation Off Clear Com UNBAL DIP Switch SW3 Internal SW2 1 Audiocom Call Send CH 5 On Closed Enabled On Off Open Disabled SW2 2 Audiocom Call Receive CH 5 On Closed Enabled On Off Open Disabled SW2 3 Audiocom Call Send CH 6 On Closed Enabled On Off Open Disabled SW2 4 Audiocom Call Receive CH 6 On Closed Enabled On Off Open Disabled SW2 5 Not used On Closed N A N A Off Open N A SW2 6 Not used On Closed N A N A Off Open N A SW2 7 Not used On Closed N A N A Off Open N A SW2 8 Not used On Closed N A N A These switches apply only when in Audiocom BAL mode Call send and receive are always enabled in Clear Com UNBAL mode Table 2 EMS 4001 jumper settings Jumper Description Settings for All Jumpers J15 Program 3 direct to Headset or Speaker Pins 2 amp 3 Shorted Enable Pins 1 amp 2 Shorted Disable J16 Program 4 direct to Headset or Speaker Pins 2 amp 3 Shorted Enable Pins 1 amp 2 Shorte
3. be turned off from the MS 2001 Features O udiocom EMS 4001 C Ustn 7 Listen J List List 3 E x mo E 9 e 4 6 Oo Tar f wJ Lm E e o 10 IN 2A 24VDC Telex TELEX COMMUNICATIONS INC TEAN MADE IN USA Evi ARM e e e e E emm o 0 e e Df ee v LJ 100 240 VAC 60 50 HZ Oo 3 4 5 6 MEBUNBAL 5 o N c Figure 1 EMS 4001 Front and back features Intercom Talk Keys Momentary or latching hands free operation possible Call Keys used to call intercom channels and to indicate incoming calls Intercom Listen Keys Momentary or latching operation possible Channel Power Status Indicators The indicators are green for normal operation and change to red if there is a short circuit or overload condition on a power output line If an indicator turns red either disconnect the corresponding channel connector or turn off the intercom systems and locate the problem before resuming operation Universal AC Power Connector The unit accepts any input power in the range of 100 240 VAC 50 60 Hz 6 Intercom Channel Connectors These connectors provide the power and audio connections for each of the four intercom channels 7 EXPIN and EXP OUT Connectors The EXP IN connector receives the microphone audio signal from the MS 2001 and it sends the monaural mix
4. of the four EMS 4001 channels to the MS 2001 speaker or headset The EXP OUT connector connects to the EXP IN connector of an additional EMS 4001 Up to four EMS 4001 Expansion Master Stations may be daisy chained with the EXP IN and EXP OUT connectors An EXP IN OUT cable is supplied with each EMS 4001 8 SPEAKERS Usually the listen mix of all four EMS 4001 channels is sent to the MS 2001 speaker or headset via the EXP IN connector Alternatively speakers may be connected to one or more of the speaker outputs of the EMS 4001 mop mi 10 11 Program Inputs Connector and Trimmers Each intercom channel has its own program input and level adjust trimmer For each program input there is an internal jumper which routes the program either to the intercom channel only or to both the intercom channel and the MS 2001 headset or speaker default setting Additionally the program signal to the intercom channel may be turned on or off via the MS 2001 front panel programming There is also an internal program interrupt DIP switch which selects either automatic program interrupt when the station operator activates a channel s talk key or no program interrupt during talk The EMS 4001 program input connectors may be broken out to common 3 pin XLR audio cables using the optional XP 4PGM Breakout Panel BAL UNBAL switch This selector switch sets the EMS 4001 for compatibility with either Audiocom or Clear Com channel connector pin outs channel p
5. ION PGMPGMPGMPGM 6IN 5IN 4IN 31N A CH5 CH6 XP PGM thay 14 1p Eole aron EN NEN ee La d PGM PGMPGM PGM 10 IN 9 IN 8 IN 7 IN CH7 TOTW 7W SPLITTERS CHg FOR HOME RUN CONNECTION OR TO A STRING OF CH9 INTERCOM STATIONS CH10 DAISY CHAIN CONNECTION t4 TO ANOTHER EMS 4001 Figure 3 Example of EMS 4001 in a system Q a Q S 5 o O 949 u0 P S O su5 euojepis O yuo euojepis O euo Figure 4 EMS 4001 sidetone adjustment locations Operation The EMS 4001 channels operate identically to channels one and two of the MS 2001 Refer to the MS 2001 User Instructions for all operating information Specifications General Input and Output Power AC Input 100 240 VAC 50 60 Hz Channel Power each channel 24 1 VDC 2 A Dimensions 1 75 44 5 mm high 19 483 mm wide 10 31 261 9 mm deep Weight approximately 4 5lbs 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 Program Input Connectors Input Level 100mV maximum Voltage Gain 25 3 dB Output Level to intercom channel 1 0Vrms nominal 2 3Vrms max Input Impedance 75k ohms Common Mode Rejection Greater than 50 dB Connector type DB9F female 9 pin D Sub Pin 1 Common Pin 2 Channel 3 program in low Pin 3 Channel 4 program in low Pin 4 Channel 5 pro
6. If a return through the dealer is not possible obtain a RETURN AUTHORIZATION from Customer Service Department Telex Communications 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 Description c eecseeeix exe eq Ue t ve ee Von EP EC NNN Uu
7. Telex User Instructions Model EMS 4001 Expansion Master Station Audiocom Intercom Systems 9350 7713 000 Rev B 3 2005 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 Clear Com is a registered trademark of Clear Com Systems Names of other products mentioned herein are used for identification purposes only and may be trademarks and or registered trademarks of their respective companies COPYRIGHT Copyright O 2002 Telex Communications Inc All rights reserved 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 co
8. d Disable J18 Program 5 direct to Headset or Speaker Pins 2 amp 3 Shorted Enable Pins 1 amp 2 Shorted Disable J21 Program 6 direct to Headset or Speaker Pins 2 amp 3 Shorted Enable Pins 1 amp 2 Shorted Disable Mounting Configurations The EMS 4001 mounts in a standard 19 inch equipment rack and is 1 rack unit high Install the two supplied rack mount cosmetic covers when installing the EMS 4001 in the rack When rack mounting components you may not be able to access the sidetone trimmers after the components have been mounted In this case you can position the components in the rack and make all required connections Then adjust the sidetone trimmers before installing and tightening all rack mount screws Connection Notes Typical connections for the MS 2001 EMS 4001 are shown in Figure 3 Cables The numbers below correspond to the cable numbers in the connection drawing in Figure 3 1 Single channel intercom cable Sold separately Use Telex ME cables below or can also be built by using two twisted pairs in a shielded cable Pair 1 in used for pins 2 and 3 Pair 2 has both wires connected to pin 1 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 2 Shielded patch cable 9 pin Male D sub to 9 pin Female D sub Customer local p
9. eie eeu E Le Dn e uS va vvicb de A FeAl UTES oueiectereeseses be cies E vobia ede se Fes ets cest essen E Installation 0909000000000000000000000000000000000000000000000000000000000000000000000000000000 5 Jupe 5 Configuration Pre check 09090000000000000000000000000000000000000000000000000000000 6 Balanced Unbalanced Switch eee eee eee eee ee eese sehe se hehe ee ese esee se ese eee eee ea a eaae 6 Direct Program Listen Enable Disable Jumpers ee ee ee eee ee eene e eene en eee ea eee eo seen nu 6 Sidetone TERHISEES 2 eit bseariccsnvacev ae acts DER UD QU QUII d DI On n din UT 6 Mounting Configurations eie abe Ie RESP cave SENNRDRP cas cans NISI IAS AN SRUI M INN IRSE 8 Connection NOEES 52er tipi E P sp ip isi und a kde AN FORD Wii 8 Be pcne oec o INR TI 8 ILO n DN a EEEE ise in cesbaskt edo e ei dcc E M I cse are d PONE PH TEURAS ORE CH ANE E ED Ga NRW OEE 9 Sidetone AdJUSUDEHTs aeos soria EERPUREP RSEN OPENS PEAENNS SEM seseo Eeoa IMP Io RITU D Asp raSi nae PANE 9 Bon eae TE t EN E E EE E ET Specifications m Em LO COMO TAN Nee H neas 10 Program Input Connectors ieiiot i eei apii eiae ku ARR eR TUR IIo G2 baeo cO Ina SEC E RPAE PER RR AT V MA Re doR RERO dad 10 Intercom Channels Balanced Mode BAL UNBAL switch set to BAL 10 Intercom Channel Unbalanced Mode BAL UNBAL switch set to UNBAL
10. gram in low Pin 5 Channel 6 program in low Pin 6 Channel 3 program in high Pin 7 Channel 4 program in high Pin 8 Channel 5 program in high Pin 9 Channel 6 program in high Intercom Channels Balanced Mode BAL UNBAL switch set to BAL Output Level 1 Vrms nominal Input Impedance 300 ohms 10 Bridging Impedance greater than 10 000 ohms Sidetone 40 dB 35 dB adjustable range 10 Call Signaling Send 20 kHz 100 Hz 0 5 Vrms 10 Receive 20 kHz 800Hz 100 mVrms Mic Kill Frequency Send 24 kHz 100 Hz 0 5 Vrms 10 Receive 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 for each channel Balanced Configuration Pinouts Pin 1 DC audio Common Pin 2 Intercom audio low and 24 VDC output Pin 3 Intercom audio high and 24 VDC output Intercom Channel Unbalanced Mode BAL UNBAL switch set to UNBAL Output Level 2 Vp p 750 mVrms Input Impedance 200 Ohms 10 Bridging Impedance greater than 10k ohms 5 Call Signaling Send 11 3 VDC Receive 4 VDC minimum Connector Type One XLR 3M for each channel Pin 1 Common Pin 2 30 1 VDC output Pin 3 Intercom audio high Expansion Input Output Connector Type 1 8 Stereo phone jack Tip Talk output Ring Listen input Sleeve Common 11
11. mpers are properly set for your intended usage Locations of configuration switches and jumpers are shown in Figure 2 Only the DIP switches and jumpers require internal access If access is required remove three screws from the top cover and three screws along the bottom edge from each side DIP Switches DIP switches and their default settings are listed in Table 1 The following paragraphs provide additional details Program Interrupt DIP Switches Each intercom channel has a dedicated program input These can be used to feed background music mix minus audio for broadcasting usage etc to the intercom channels If external program sources will be connected to the EMS 4001 you have a choice of whether or not you want the program audio to interrupt shut off on the intercom channel while the MS 2001 EMS 4001 station operator is talking Audiocom Call Send and Receive DIP Switches By default all channels of the EMS 4001 can send and receive Audiocom call signals You can disable call send or call receive capability for selected channels if desired Balanced Unbalanced Switch The switch is located on the back panel The switch must be set to the balanced BAL position for use with an Audiocom Intercom System Set the switch to the unbalanced UNBAL position when using the unit with a Clear Com Intercom System Direct Program Listen Enable Disable Jumpers By default each program input can be heard by intercom stations on the correspo
12. nding intercom channel This can be turned on or off for each program input via the MS 2001 front panel programming See Turning the Program Inputs ON and OFF in the Operations section of the MS 2001 User Instructions Additionally all program signals can be heard directly in the MS 2001 speaker or headset and each program is output at the corresponding speaker jack on the back of the EMS 4001 To disable direct program listening for a program input reset the appropriate jumper as shown in Table 2 Locations of the jumpers are shown in Figure 2 Sidetone Trimmers These trimmers are normally adjusted after all components are connected and they can be accessed through the bottom cover as depicted in Figure 3 Refer to the MS 2001 User Instructions for the sidetone adjustment procedure Table 1 EMS 4001 configuration switch settings Off Open Disabled Switch Default Number Description Settings Setting DIP Switch SW1 Internal SWh1 1 Program Interrupt CH 6 On Closed Enabled Off Off Open Disabled SW1 2 Program Interrupt CH 5 On Closed Enabled Off Off Open Disabled SW1 3 Program Interrupt CH 4 On Closed Enabled Off Off Open Disabled SW1 4 Program Interrupt CH 3 On Closed Enabled Off Off Open Disabled SW1 5 Audiocom Call Send CH 3 On Closed Enabled On Off Open Disabled SW1 6 Audiocom Call Receive CH 3 On Closed Enabled On Off Open Disabled SW1
13. ower requirements and call signaling requirements Configuration switches Jumpers and Sidetone Controls These let you customize the operation of the EMS 4001 to match your intercom system requirements 7vaNn 1va VvaNn 1va Program DIP Sidetone Listen Switches Trimmers Jumpers 11 Figure 2 EMS 4001 internal DIP switches jumpers and adjustments Installation Unpacking The EMS 4001 is supplied with 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 intercom station 1 EMS 4001 Expansion Master Station and Power Supply Warranty and registration card User Instructions EXP IN OUT cable with 1 8 inch 3 5 mm phone plugs Rack mount cosmetic covers 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 AVERTISSMENT 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 habilite Configuration Pre check Before making connections read the configuration notes that follow and make sure that all switches and ju
14. urchase available at Radio Shack etc Note All pins must be connected straight through i e pin 1 to pin 1 pin 2 to pin 2 etc 3 Shielded patch cable stereo miniplug to stereo miniplug Customer local purchase Available at Radio Shack etc 4 18 457 mm EXP IN OUT cable stereo miniplug to stereo miniplug One supplied with each EMS 4001 5 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 6 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 Power Up Plug in the power cord The EMS 4001 channels power up identically to channels one and two of the MS 2001 Refer to the MS 2001 User Instructions for all power up information The MS 2001 and EMS 4001 can be powered up in any order Sidetone Adjustments Use the sidetone adjustment procedure as described in the MS 2001 User Instructions except substitute channel 3 channel 4 etc The locations of the EMS 4001 sidetone trimmers are shown in Figure 4 PGM PGM PA 2IN 11N OUT CH 1 CH2 TO TW 7W SPLITTERS FOR HOME RUN CONNECTION 5 5 5 5 OR TO A STRING OF A A Rae a CH3 INTERCOM STATIONS cH4 DAISY CHAIN CONNECT
15. vered defects appearing in products returned prepaid to Telex This warranty does not cover any defect malfunction or failure caused 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
Download Pdf Manuals
Related Search