User Manual WS 19
Contents
1. INTERCOM WS 200 BASE STATION FOR WIRELESS INTERCOM WITH TWO TX RX MODULES USER MANUAL Issue February 2011 ASL Intercom BV DESIGNED AND MANUFACTURED BY ASL INTERCOM BV ZONNEBAAN 42 3542 EG UTRECHT THE NETHERLANDS PHONE 31 0 30 2411901 FAX 31 0 30 2667373 WEB www asl inter com E MAIL info asl inter com OF THIS USER MANUAL JO INTRODUCTION Q nas s ss 20 na 10 ING enn Sanga AE ne aga SAE 30 INSLAPLAT ON uu sanesa ya gana u ea Erre EREN e a saene Nagan AO WARRANT ank atan adana adana aki 9 0 FRONT PANEL CONTROLS 6 0 REAR PANEL CONTROLS amp CONNECTORS 7 0 AUTOMATIC AUDIO ROUTING 8 0 THE INTERFACE TO WIRED INTERCOM 9 0 FREQUENCY BAND amp ANTENNA S 10 0 SETTING UP CONNECTIONS 11 0 COMMMUNICATION MODES 12 0 TECHNICAL SPECIFICATIONS WS 200 PAGE 2 User Manual WS 200 February 2011 ASL Intercom BV 1 0 INTRODUCTION The WS 200 is designed to be the base station for wireless beltpacks WS 19 single channel or WS 29 dual channel It contains two transmit receive TX RX modules and is housed in a strong steel 19 1RU case2. On the front panel of the WS 200 are various TX RX controls and the antenna connectors Via XLR 3 connectors on the rear panel the TX RX modules in the WS 200 can be linked to either a party line or a 4 wire intercom system ASL uses the 2 4 GHz frequency band for the communication between its wireless beltpacks and base stations A maximum of 8 full duplex wireless connections can be made simultaneously operated without any interference For 8 connections are needed either 2x WS 400 or 1x WS 400 2x WS 200 or 4x WS200 The WS 400 base station contains four TX RX modules In case in the same space more than one base Station is required these stations have to be interconnected by WS Link Cables an ASL accessory product A link cable contains all signals which have to be interchanged between base stations and are connected to the Sub D Link connector on the rear panels A wireless beltpack the WS 19 as well as the WS 29 contains one TX RX module Each beltpack needs to be assigned to a unique T X RX channel If another TX RX module is set to the same TX RX channel communication is garbled or not possible at all A TX RX module in a base station automatically senses whether a WS 19 or a WS 29 beltpack is assigned The on board micro processor routes the audio as required for either beltpack type see section 7 Automatic Audio Routing 2 0 UNPACKING The shipping carton contains the parts listed below The WS 200
3. 0dBu 775 mV into open circuit ASL reserves the right to alter specifications without prior notice PAGE 9 User Manual WS 200 February 2011 ASL Intercom BV
4. To solve this the side tone trimmer of the concerning TX RX module should be turned down fully counter clockwise But there is a drawback the user of the talking beltpack will hear his own voice with a delay of 24 msec and via the OWN VOICE link in the beltpack no delay The effect of hearing your own voice twice with and without delay can be diminished by turning down the OWN VOICE trimmer The listening beltpacks will not notice the delay PAGE 8 User Manual WS 200 February 2011 ASL Intercom BV 12 0 TECHNICAL SPECIFICATIONS WS 200 Mains Mains power 90 40 V AC 50 60 Hz Fuse 1250 mA T Power Consumption max 25 Watts Input Amplifiers 4 wire mode input impedance min 10 input level 30 to 10 dBu Output Amplifiers 4 wire mode output impedance lt 25 ohms maximum load 600 ohms max output level 12 to 20 dBu Intercom Line Drivers party line mode Output current max 3 mA rms output impedance gt 150 Kohm audio line level 18 dBu max 0 dBu signal to noise 70 dB station bridging impedance gt 150 kOhm Side Tone Rejection better than 20 dB WS 200 Dimensions amp Weight width 480mm height 44 5 mm depth 165mm weight 2100 grams System Specifications transceiver frequency 2400 2483 5 MHz transmit Power 10 mW E I R P number of channels 8 channel separation 7 MHz audio freq response 200 Hz 12 kHz 3 dB dynamic range 70 dB Note
5. try to set them in this order TX RX channels 2 4 6 8 1 3 5 7 If one uses a WS 200 with only two beltpacks use TX RX channels 1 and 6 Wireless Beltpack Settings With the Channel Select switch at the rear of the beltpack select the TX RX channel according to the WS 200 or WS 400 setting Connect a headset to the beltpack and insert fully charged batteries When the beltpack is switched on a single short tone should be heard and both LED s on the front panel of the unit flash for half a second This indicates that the beltpack is functioning properly When one pushes the CALL or TALK button the LED s on the front panel are lit and the green LED of the corresponding T X RX module in the base station is lit b Make sure the interface mode switch at the rear of the base station is set to 4 WIRE The internal party line is now disconnected Connect the 4 wire intercom system via the XLR 3 connectors at the rear panel of the base station Each XLR 3 male connector signal out and female connector signal in connects each TX RX module to an input output of the a 4 wire intercom system It proofs the beltpack has connection with the base station Turn down the OWN VOICE Volume trimmer at the side panel of the beltpack counter clockwise Push the TALK button on the beltpack talk into the headset microphone and listen to your own voice Turn up the volume of your own voice by adjusting the OWN VOICE trimmer to
6. 3 Everywhere this connection is made the internal party line is interrupted Turn down the side tone trimmers counter clockwise Turn down the OWN VOICE Volume trimmer at the side panel of the beltpack counter clockwise Set the volume control of the beltpack at approximately 50 Push the TALK button on the beltpack talk into the headset microphone and listen to your own voice you might hear a small delay in the signal Adjust the side tone trimmer of the referring TX RX module in the base station so that the level of your own voice is as low as possible Adjust the OWN VOICE trimmer on the beltpack so that the level of your own voice is to your liking User Manual WS 200 February 2011 ASL Intercom BV 10 3 3 Wiring Configurations when connecting to party line intercom systems Connecting to party lines can be done in many different ways Below a few examples Example 1 When two WS 200 base stations are installed and 4x WS 19 single channel beltpacks are available The drawing shows how to connect all WS 19 s to the same party line Example 2 When two WS 200 base stations are installed and 4x WS 19 single channel beltpacks are available The drawing shows how to connect WS 19 1 and 2 to party line 1 WS 19 3 to party line 2 and WS 19 4 to party line 3 Example 3 When two WS 200 base stations are installed and 4x WS 29 dual channel beltpacks are available The drawing shows how to connect channel A
7. a base station are not supposed to be directly connected to its front panel a cable between base station and antenna is needed base stations are equipped with SMA connectors female at the base station and male at the antenna The 2 4GHz frequency experiences a big loss in any cable e g a RG58 cable has a loss of 1 dB per meter So make sure that your cable 50 ohms is suited for 2 4 GHz and that the cable is as short as possible Make the cables in lengths of a multiple of 12 e g lengths of 24cm 48cm 120cm 240cm etc 10 0 SETTING UP CONNECTIONS 10 1 ASL WIRELESS AS A STAND ALONE SYSTEM 10 1 1 Base Station Settings a Give each TX RX module in the base station its own TX RX channel by rotating the Channel select switch Try to avoid TX RX channels to be physically next to each other e g when two WS 400 s in your wireless system try to set them in this order TX RX channels 2 4 6 8 1 3 5 7 If one uses a WS 200 with only two beltpacks use TX RX channels 1 and 6 10 1 2 Wireless Beltpack Settings d With the Channel Select switch at the rear of the beltpack select the TX RX channel according to the WS 200 or WS 400 setting e Connect a headset to the beltpack and insert fully charged batteries When the beltpack is switched on a single short tone should be heard and both LED s on the front panel of the unit flash for half a second This indicates that the beltpack is functioning properly f
8. o User manual o Two antenna s o Power cord o Spare fuses If any are missing contact your dealer 3 0 INSTALLATION The unit has to be connected to a mains outlet 90 240 V AC 50 60 Hz which is able to provide at least 25 watts IMPORTANT NOTICE The green yellow wire of the power cord must always be connected to the electrical installation safety earth or ground This is essential for personal safety as well as for proper functioning of the WS 200 4 0 WARRANTY ASL has taken great care to ensure this product reaches you in flawless condition After unpacking the unit please inspect for any physical damage to the unit and retain the shipping carton and relevant packing materials for use should the unit need returning If any damage has occurred please notify your dealer immediately so that a written claim can be initiated Please also refer to the warranty section of this manual Switch the WS 200 on with the power switch at the rear panel and adjust the channel select switch to match the selected channel on a wireless beltpack The WS 200 should now have contact with this beltpack To check this push the CALL or TALK button on the beltpack and the green LED of the corresponding TX RX module in the WS 200 should be lit See also section 10 Setting up Connections and section 11 Communication Modes This unit is warranted by ASL Intercom to the original end user purchaser against defects in work manship and ma
9. of all WS 29 s to party line 1 and channel B of all WS 29 s to party line 2 Party line Party line 1 2 For connecting base station TX RX modules via their XLR 3 male and female connectors on the rear panels see drawings above use short microphone cables 11 0 COMMMUNICATION MODES 11 1 Full Duplex Mode for WS 19 and WS 29 beltpacks A full duplex wireless connection is accomplished by using a dedicated T X RX channel selected on the beltpack and on the base station Such a TX RX channel links the TX RX module in a wireless beltpack to one of the TX RX modules in the base station 11 2 Half Duplex Mode for WS 19 single channel beltpacks only This mode allows more than one WS 19 beltpacks on the same TX RX channel However only one of the WS 19 beltpacks can talk at a time and have a full duplex connection For as long as one of the beltpacks has a full duplex connection talk listen and call the other beltpacks are able to listen to the signals coming from the base station but are not able to call or talk In case of half duplex use of WS 19 beltpacks whilst the corresponding TX RX module in the base station is connected to a wired party line intercom system the following has to be taken into account The side tone prevents when properly adjusted the microphone signal coming from the talking beltpack to return to the beltpacks The listening beltpacks do not hear the talking beltpack
10. _When one pushes the CALL or the TALK button the LED s on the front panel lit and the green LED of the corresponding module in the base station is lit It proofs the beltpack has connection with the base station PAGE 6 b Make sure the interface mode switch at the rear of the base station is set to PARTY LINE The internal party line is now linking the on board TX RX modules to each other c Turn down the side tone trimmers at the TX RX modules counter clockwise g Turndown the OWN VOICE Volume trimmer at the side panel of the beltpack counter clockwise h Set the volume control of the beltpack at approximately 50 i Push the TALK button on the beltpack talk into the headset microphone and listen to your own voice you might hear a small delay j Adjust the side tone trimmer at the referring TX RX module in the base station so that the level of your own voice is as low as possible k Adjust the OWN VOICE trimmer on the beltpack so that the level of your own voice is to your liking User Manual WS 200 February 2011 ASL Intercom BV 10 2 10 2 1 10 2 2 10 3 10 3 1 10 3 2 ASL WIRELESS CONNECTED TO 4 WIRE INTERCOM SYSTEM Base Station Settings Give each TX RX module in the base station its own channel by rotating the Channel select switch Try to avoid TX RX channels to be physically next to each other e g when two WS 400 s are in your wireless system
11. a level of your liking ASL WIRELESS CONNECTED TO A PARTY LINE INTERCOM SYSTEM Base Station Settings Give each TX RX module in the base station its own TX RX channel by rotating the Channel select switch Try to avoid TX RX channels to be physically next to each other e g when two WS 400 s in your wireless system try to set them in this order TX RX channels 2 4 6 8 1 3 5 7 If one uses a WS 200 with only two beltpacks use TX RX channels 1 and 6 Make sure the interface mode switch at the rear of the base station is set to PARTY LINE Wireless Beltpack Settings With the Channel Select switch at the rear of the beltpack select the channel according to the WS 200 or WS 400 setting Connect a headset to the beltpack and insert fully charged batteries When the beltpack is switched on a single short tone should be heard and both LED s on the front panel of the unit flash for half a second This indicates the beltpack is functioning properly When one pushes the CALL or TALK button the LED s on the front panel are lit and the green LED of corresponding TX RX module of the base station is lit It proofs the beltpack has connection with the base station PAGE 7 Connect the party line intercom system via the XLR 3 connectors at the rear panel of the base station Each XLR 3 male and female pair may connect each TX RX module to a channel of the party line intercom system see also section 10 3
12. is switch the TX RX channel is selected on which the base station communicates with the beltpack There is a choice out of 8 TX RX channels The selected TX RX channel must match the TX RX channel which is selected on the beltpack See also section 9 1 Frequencies 5 ANTENNA connector On this connector the supplied are to be connected AC Input voltage 90 240V 50 60 Hz Fuse T 1250 mA C 6 INTERFACE MODE switch This switch determines the mode of the audio interface and the function of the XLR connectors 9 and 10 See section 8 The Interface to Wired Intercom 7 OUTPUT LEVEL trimmer This trimmer adjusts the output level of the audio signal that comes from the beltpack 8 INPUT LEVEL trimmer This trimmer adjusts the input level of the audio signal that is sent to the wireless beltpack 9 OUTPUT connector This male XLR 3 connector is for connecting either party line wired intercom or 4 wire intercom See section 8 The Interface to Wired Intercom 10 INPUT connector This female XLR 3 connector is for connecting either party line wired intercom or 4 wire intercom See section 8 The Interface to Wired Intercom 11 LINK connector This Sub D connector contains all signals that need to be interchanged when two or more base stations are to be used in the same space Only use the special WS link cable supplied by ASL 12 MAINS switch With this switch the WS 200 can be swi
13. rcom The interface can be put in Party Line Mode or in 4 Wire Mode using the Interface Mode Switch on the rear panel Party Line Mode the Mode switch is not pushed 4 Wire Mode the Mode switch is pushed The XLR 3 male connector 9 and the XLR 3 female The XLR 3 male connector 9 and the XLR 3 female connecior 10 on the rear panel are now party line connector 10 on the rear panel are now 4 wire connectors for daisy chain wiring purposes The audio connectors The female connector is the electronically is sent from the wireless beltpack to the party line of the balanced input connector for audio from the 4 wire wired intercom system and from this system to the intercom system to the wireless beltpack In this mode the base station also wireless beltpack The male connector outputs the handles all CALL functions to and from the party line audio signal from the wireless beltpack to the 4 wire intercom and MIC MUTE functions from the party line intercom system as an electronically balanced signal intercom PAGE 5 User Manual WS 200 February 2011 ASL Intercom BV 9 0 FREQUENCY BAND amp ANTENNA S 9 1 Frequencies ASL s wireless intercom uses the 2 4 GHz band which is freely available for WLAN Wireless Local Area Networks The ASL system divides the available bandwidth into 16 overlapping sections 8 of them being used as upload frequency from the beltpack to the base station and the other 8 being u
14. sed as download frequency from the base station to the beltpack With the channel select switches on base stations and wireless beltpacks one actually selects an upload download pair called a TX RX channel Each TX RX channel serves one dedicated wireless connection between base stations and wireless beltpacks in fact between the TX RX modules in those units It is possible to have several WS 19 beltpacks on the same TX RX channel see section 10 2 Half Duplex When using the ASL wireless system the following should be taken into account o The 2 4 GHz frequency is known to have difficulty in penetrating concrete walls steel walls and other obstructions Behind obstructions like these an HF shadow may occur where no communication is possible antenna s of a base station should have as much as possible a line of sight to the antenna s of the beltpack s All objects within that path make the connection less reliable Due to reflections of the HF signal one might experience a dropout on a specific spot in a building moving a beltpack only a few inches can be enough to solve the problem o Because of the use of the WLAN frequencies ASL s wireless units might experience interference from units like mobile telephones with bluetooth and computers with bluetooth or WLAN cards Try to change TX RX channels if you experience problems with these 9 2 Antenna Wiring Base Stations If the antennas of
15. tched on or off 13 MAINS connector with fuse holder This mains input accepts 90 240 V AC 50 60 Hz The fuse in the fuse holder needs to be 1 25 Amp of the slow blow type The bottom part contains a spare fuse PAGE 4 User Manual WS 200 February 2011 ASL Intercom BV 7 0 AUTOMATIC AUDIO ROUTING To a TX RX module in the WS 200 one can assign either a WS 19 single channel beltpack or a WS 29 dual channel beltpack The on board micro processor automatically detects either beltpack type and routes the audio as follows o When a WS 19 beltpack is assigned to the o When a WS 29 beltpack is assigned to the TX RX 1 module the front panel top LED TX RX 1 or the TX RX 2 module the front labeled 1 ch beltpack is lit The audio to from panel middle LED labeled 2 ch beltpack is lit this beltpack is routed from to the rear panel The audio from to channel A of this beltpack is XLR 3 connectors Channel A routed to from the rear panel XLR 3 connectors Channel and the audio from to channel of o When a WS 19 beltpack is assigned to the this beltpack is routed to from the rear panel TX RX 2 module the front panel top LED XLR 3 connectors Channel labeled 1 ch beltpack is lit The audio to from this beltpack is routed from to the rear panel XLR 3 connectors Channel 8 0 THE INTERFACE TO WIRED INTERCOM Each TX RX module in the WS 200 contains an interface to wired inte
16. terials in its manufacture for a period of one year from date of shipment to the end user Faults arising from misuse unauthorized modifications or accidents are not covered by this warranty If the unit is faulty it should be sent in its original packing to the supplier or your local ASL dealer with shipping prepaid A note must be included stating the faults found and a copy of the original suppliers invoice PAGE 3 User Manual WS 200 February 2011 ASL Intercom BV Wireless Series ASL Antenna 5 0 FRONT PANEL CONTROLS 2 _ 1 ch beltpack 8 AN 2 ch beltpack A B s RX Active Sidetone 1 RX active LED This LED will be lit when the RX TX Unit receives data from an active beltpack Talk and or Call When a beltpack is only listening it will not be lit 2 Audio Routing LED indicators Indicate the audio routing for either a WS 19 single channel beltpack or a WS 29 dual channel beltpack see section 7 0 Automatic Audio Routing 3 SIDE TONE trimmer This trimmer adjusts the level of your own voice as you hear it in the headset which is connected to your wireless beltpack The operating area is between fully clockwise and minimum level 6 0 REAR PANEL CONTROLS amp CONNECTORS Intercom Adjusting the side tone does not affect the level of your voice as it is heard by other stations For adjustment procedure see section 10 Setting up Connections 4 Channel Select switch With th
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