Telex Audiocom WM1000 Скачать руководство пользователя страница 16 | Manualshive

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background image

1 6

Au d i o c o m ®

Pair

Pair

Pair

Denotes twisted pair.

Denotes shield.

Channel 1 Audio low / Power

Shield*

DC Common

Shield*

TO POWER

SUPPLY CONNECTOR

TO ADDITIONAL

SINGLE- OR TWO-CHANNEL STATIONS

Cable Type: 22AWG Stranded, 3-Pair Twisted-wire, with Shield

Channel 2 Audio low / Power
Channel 2 Audio high / Power

OPTIONAL LOCAL

POWER SOURCE

12 to 15 VDC, 65 to 150 mA

+ DC

COMMON

Channel 1 Audio high / Power

*Shield: Earth ground (Connect at power supply only.

Do not short to DC common)

PIN 1

Figure 7. Audiocom mode connections for a WM2000 Intercom Station

Resistors 300 Ohm, 1/4W

Capacitors 22 f, 35V
Non-polarized Electrolytic

µ

Channel audio low

Channel audio high

Common

Figure 8. Audiocom mode line termination for dry-line operation. (One required for
each channel.)

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Содержание Audiocom WM1000

Страница 1: ...T elex User Instructions Model WM1000 WM2000 Wall Mount Intercom Stations Audiocom Intercom Systems Volume WM2000 GRN 1 RED 2 Ch Select Talk Call Listen Headset TM WM2000 Shown ...

Страница 2: ... 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 This product meets Electromagnetic Compatibility Directive 89 336 EEC Introduction Thank you for purchasing the Audiocom WM1000 WM2000 Wall Mount In tercom Station We hope the many design features of this product will satisfy your inter...

Страница 3: ...ration Switch Pre check 6 Intercom Channel Connections 7 Dynamic Mic Headset Connection 9 Power Up 10 Sidetone Adjustment 10 Operation 17 Channel Select WM2000 Only 17 Receiving Calls 17 Calling an Intercom Channel 17 Specifications 18 Factory Service and Parts Information 20 3 ...

Страница 4: ...where a desktop station would be unsuitable but they do not wish to carry around a belt pack station Since all of the intercom electronics are in the intercom station the user need only connect a headset or telephone style handset to begin communicating Alternatively a headset or tele phone handset can be left at the station 4 Audiocom WM2000 GRN 1 RED 2 Ch Select Headset Volume Talk Call Listen S...

Страница 5: ...intercom volume to headphones 7 Audiocom Clear Com Selector Switch The selector switch sets the intercom station for compatibility with either Audiocom or Clear Com channel connector pin outs channel power requirements and call signaling requirements 8 Configuration DIP switches DIP switches are provided to enable disable the fol lowing features Call Beep An optional call beep tone can be used for...

Страница 6: ...able 1 lists the switch descriptions and factory default settings Figure 1 shows the locations of the switches DC Call Enable DIP Switch 2 Leave this switch in the open position for Audiocom applications Set it to the closed position if the WM1000 WM2000 will be used in a Clear Com intercom system Incoming Call Beep DIP Switch 3 By default incoming calls are indicated by a red flashing Call key an...

Страница 7: ...em To use the WM1000 WM2000 in a Clear Com Intercom System set SW1 to the UNBAL position set DIP switch 2 to the Closed position and connect the Clear Com channel wires using the Unbalanced Mode Intercom Channel pin out information listed in the specifications page 19 7 Switch Number Description Settings Open Off Closed On Default Setting 1 Not used Don t care Open 2 Call signal method Closed DC O...

Страница 8: ...o the Audiocom power supply automatically provides what is known as a terminating impedance for the intercom system Without this terminating impedance the sound quality on the channel will be very distorted and the levels will shift every time additional stations are connected to the channel The disadvantage of the phan tom power method is that some operating power is lost over very long intercom ...

Страница 9: ...g impedance will still be supplied for all stations All Locally Powered Intercom Stations Dry Lines If all intercom stations are widely distributed you can dispense with a main power supply and use local power for each station When no power is delivered on the inter com channels this is known as dry line operation However since an Audiocom power supply is not used a line termination must be insert...

Страница 10: ... un wanted feedback since the microphone may pick up your returned voice audio and re amplify it 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 muf fled sensation when talking The sidetone adjustment is different for these two situa tions If you are using open ear style headphones adjust sidetone ...

Страница 11: ... Activate talk and listen as described in the operating instructions 3 Set the volume control to the normal listening level for intercom audio 4 While talking into the microphone use a small flat bladed screwdriver to adjust the channel 1 sidetone trimmer Figure 1 so that you can hear your own voice in the headphones at an acceptable level 5 For the WM2000 only activate channel 2 and repeat the ab...

Страница 12: ... may be connected This is recommended when stations are installed at remote locations Since the PS2000L provides termination for the intercom channels no user installed termination is required For WM1000 connection details refer to Figure 6 for the WM2000 refer to Figure 7 PS 20 00 L RE SET 1 R 2 Audiocom WM1000 Headset Volume Talk Call Listen Audiocom WM1000 Headset Volume Talk Call Listen Audioc...

Страница 13: ...Listen CHN 1 CHN 2 CLASS 2 WIRING 1 5A 24VDC 100 240 VAC 60 50 HZ MADE IN USA CHN 1 CHN 2 CLASS 2 WIRING 1 5A 24VDC 100 240 VAC 60 50 HZ MADE IN USA CHANNEL 1 CHANNEL 2 Audiocom WM1000 Headset Volume Talk Listen WM1000 WM2000 WM2000 WM2000 WM2000 WM2000 Audiocom WM1000 Headset Volume Talk Listen WM1000 WM2000 WM2000 WM2000 WM2000 WM2000 PS2000L PS2000L Figure 4 A two channel intercom system using ...

Страница 14: ... Talk Call Listen Audiocom WM2000 GRN 1 RED 2 Ch Select Headset Volume Talk Call Listen LINE TERMINATION Audiocom WM1000 Headset Volume Talk Call Listen WM1000 WM2000 WM2000 Audiocom WM1000 Headset Volume Talk Call Listen WM1000 WM2000 WM2000 Figure 5 An example of an intercom system using all local powered stations with no power being distributed on the intercom channels dry lines WM2000 stations...

Страница 15: ... POWER SUPPLY CONNECTOR Cable Type 22AWG Stranded 2 Pair Twisted wire with Shield TO ADDITIONAL SINGLE CHANNEL STATIONS OPTIONAL LOCAL POWER SOURCE 12 to 15 VDC 65 to 150 mA DC COMMON Shield Earth ground Connect at power supply only Do not short to DC common PIN 1 Figure 6 Audiocom mode connections for a WM1000 Intercom Station ...

Страница 16: ...hannel 2 Audio high Power OPTIONAL LOCAL POWER SOURCE 12 to 15 VDC 65 to 150 mA DC COMMON Channel 1 Audio high Power Shield Earth ground Connect at power supply only Do not short to DC common PIN 1 Figure 7 Audiocom mode connections for a WM2000 Intercom Station Resistors 300 Ohm 1 4W Capacitors 22 f 35V Non polarized Electrolytic µ Channel audio low Channel audio high Common Figure 8 Audiocom mod...

Страница 17: ... on the Talk and Listen keys and begin your conversation Turn the keys off when finished You can turn the talk and listen keys on in either momentary or latched mode For momentary operation press and hold the key For latched operation tap the key to turn it on Then tap it again to turn it off when finished Calling an Intercom Channel 1 WM2000 only select the desired intercom channel 2 Press and ho...

Страница 18: ...d Mode SW1 set to BAL position Output Level 1 Vrms nominal Input Impedance 300 ohms Bridging Impedance greater than 10 000 ohms Sidetone 40 dB 35 dB adjustable range Call Signaling Send 20 kHz 100 Hz 0 5 Vrms 10 Receive 20 kHz 800 Hz 100 mVrms Mic Kill Detect Frequency 24 kHz 800 Hz 100 mVrms Noise Contribution less than 70 dB Common Mode Rejection Ratio greater than 50 dB Connector Type Six posit...

Страница 19: ... 000 ohms Call Signaling Send 11 3 VDC Receive 4 VDC minimum Connector Type Six position terminal block with screw in wire clamps 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 19 ...

Страница 20: ...r must be sent prepaid and will be returned prepaid Non Warranty Repairs Equipment that is not under warranty must be sent prepaid to Telex If requested an estimate of repair costs will be issued prior to service After your approval and completion of the repairs the equipment will be returned on a col lect basis Collect charges may be avoided by sending a signed check for payment in full along wit...

Страница 21: ...Notes 21 ...

Страница 22: ...Notes 22 Audiocom ...

Страница 23: ...Notes 23 ...

Страница 24: ...TELEX COMMUNICATIONS INC 9600 Aldrich Ave So Minneapolis MN 55420 U S A 9350 7621 000 Rev C 10 98 ...

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