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1 7

Pair 1

Pair 2

Denotes twisted pair.

Denotes shield.

Channel Audio high / Power
Channel Audio low / Power

Shield*

DC Common

Shield*

TO 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, 250 mA

+ DC

COMMON

*Shield: Earth ground (Connect at power supply only. Do not short to DC common)

PIN 1

Figure 8. Audiocom mode connections for a SS1000 Intercom Station in a “U” box.
Note: For Clear-Com connection, use the Unbalanced Mode Intercom Channel
pin-out information listed on page

25

.

Summary of Contents for SS1000

Page 1: ... N 1 RE D 2 SS2000 TM He ad se t Lis ten Ch Se lec t Ta lk Pa ne l Mi c Ca ll SS2000 S Box SS2000 GRN 1 RED 2 Hea ds et Pa ne l Mic Vo lume TM Lis ten Ca ll Ta lk He ad se t Pa ne l Mi c Ch Se lec t SS2000 P Box Volume SS2000 Headset GRN 1 RED 2 He ad se t Lis ten Pa ne l Mi c Ca ll Ch Se lec t Ta lk Panel Mic TM SS2000 U Box ...

Page 2: ... 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 SS1000 SS2000 Intercom Speaker Station We hope the many design features of this product will satisfy your inter commun...

Page 3: ... Channel Connections 11 Headset Headphone Microphone Connections 19 Power Up 20 Sidetone Adjustment 20 Operation 22 Channel Select SS2000 Only 22 Headset Headphone Speaker Microphone Selection 22 Receiving Calls 22 Calling an Intercom Channel 22 Specifications 24 Factory Service and Parts Information 26 3 ...

Page 4: ...h inter com connectors which permit stations to be quickly interconnected using prefabri cated cables The P box is a stationary version It also has dual loop through connectors for quick interconnection but the case is designed for desktop or console mount applications The U box is designed for permanent in the wall mounting It uses quick release terminals for connection to the intercom system 4 A...

Page 5: ...justs intercom listen volume to headphones or speaker 7 Intercom Listen Key Both momentary push to listen and latching hands free listen are possible 8 Call Key Used to send call signals on the intercom channel Flashes for incoming calls 9 Intercom Talk Key Both momentary push to talk and latching hands free talk are pos sible The SS1000 SS2000 also features a mic kill receive circuit which allows...

Page 6: ...Panel Mic Headset Volume GRN 1 RED 2 SS2000 TM Speaker Ch Select Panel Mic Call Talk Listen Vo lume Pa ne l Mic Hea ds et GR N 1 RE D 2 SS2000 TM He ad se t Lis ten Ch Se lec t Ta lk Pa ne l Mi c Ca ll SS2000 GRN 1 RED 2 Hea ds et Pan el Mic Vo lume TM Lis ten Ca ll Ta lk He ad se t Pa ne l Mic Ch Se lec t SW1 Ch 2 Ch 1 13 TOP VIEW OF FACEPLATE 6 9 Figure 2 Reference view for controls indicators a...

Page 7: ...6 mm 6 102 155 0 mm 4 125 104 78 mm 2 125 53 98 mm 6 75 171 5 mm 9 125 231 78 mm 6 102 155 mm S Box P Box U Box 6 102 155 mm 3 937 100 mm 2 7 69 mm 3 15 80 mm 812 Dia 3 Places 20 63 mm 1 575 40 mm 1 56 39 6 mm 1 56 39 6 mm Figure 3 Dimensions ...

Page 8: ...l internal controls are properly set for your intended usage If you need to ac cess the internal controls remove the four screws on the front that secure the inter com station faceplate to the mounting box then lift out the faceplate Figure 2 shows the locations of the internal controls DIP Switches Figure 2 item 2 Table 1 lists the DIP switch descriptions and factory default settings DC Call Enab...

Page 9: ... specifications indicate an unbal anced microphone set this switch to the Closed position If you are not sure leave the switch in the Open position for now then try both positions during operation Use the position that produces the best audio quality at other stations 9 Switch Number Description Settings Open Off Closed On Default Setting 1 Not used Don t care Open 2 Call signal method Closed DC S...

Page 10: ...Balanced Unbalanced Switch Figure 2 item 13 This switch is set at the factory to the Balanced or BAL position for use with Audiocom intercom channels Set the switch to the Unbalanced or UNBAL position for use with a Clear Com intercom system Sidetone Trimmers Figure 2 item 12 These are normally adjusted after all connections are completed See Sidetone Ad justment page 20 10 Audiocom ...

Page 11: ...he disadvantage of the phan tom power method is that some operating power is lost over very long intercom ca bles and performance at distant intercom stations may be reduced Generally if intercom stations are within a few hundred feet from the system power supply phan tom power will be sufficient Also note that increasing the number of stations will re duce the overall operating distance Phantom p...

Page 12: ...d U boxes As long as a system power supply PS2000L SPS2000A etc is lo cated somewhere in the intercom system the proper terminating impedance will still be supplied for all stations However if all stations are locally powered and there is no system power supply a special line termination must be installed as described below All Locally Powered Intercom Stations Dry Lines If intercom stations are w...

Page 13: ...annel cable Y Y cable 1 HEADSET LINES BP 1000 SS1000 S Box SS2000 S Box BP 1000 BP 2000 Note A JB 2 Junction Box may be used instead of the Y cable 2 1 1 1 2 1 1 1 Y Figure 4 A two channel Audiocom intercom system powered by a PS2000L Power Supply The power supply is set to isolate mode In this mode each channel is a separate party line and current per channel is limited to 1 amp Note that both si...

Page 14: ...d 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 power supplies use a 3 pin male Neutrik connector for each channel Audiocom wallplates use male Neutrik connectors Audiocom master stations speaker stations and belt packs also typically provide both a male...

Page 15: ...GRN 1 RED 2 SS2000 TM Panel Mic Ch Select Headset Call Talk Listen Figure 6 A two channel Audiocom intercom system using a PS2000L Power Supply with U boxes The PS2000L is set to isolate mode In isolate mode each intercom channel is a separate party line and total current for each channel is limited to 1 amp Note that both SS1000 and SS2000 stations may be connected depending on each locations nee...

Page 16: ...TM Panel Mic Ch Select Headset Call Talk Listen Panel Mic Headset Volume GRN 1 RED 2 SS2000 TM Panel Mic Ch Select Headset Call Talk Listen Panel Mic Headset Volume GRN 1 RED 2 SS2000 TM Panel Mic Ch Select Headset Call Talk Listen Panel Mic Headset Volume GRN 1 RED 2 SS2000 TM Panel Mic Ch Select Headset Call Talk Listen Figure 7 An example of an Audiocom intercom system using all locally powered...

Page 17: ...Twisted wire with Shield TO ADDITIONAL SINGLE CHANNEL STATIONS OPTIONAL LOCAL POWER SOURCE 12 to 15 VDC 250 mA DC COMMON Shield Earth ground Connect at power supply only Do not short to DC common PIN 1 Figure 8 Audiocom mode connections for a SS1000 Intercom Station in a U box Note For Clear Com connection use the Unbalanced Mode Intercom Channel pin out information listed on page 25 ...

Page 18: ...at power supply only Do not short to DC common OPTIONAL LOCAL POWER SOURCE 12 to 15 VDC 250 mA Use PN 59702 000 PIN 1 Figure 9 Audiocom mode connections for a SS2000 Intercom Station in a U box Note For Clear Com connection use the Unbalanced Mode Intercom Channel pin out information listed on page 25 Resistors 150 Ohm 1 4W Capacitors 22 f 35V Non polarized Electrolytic µ Channel audio low Channel...

Page 19: ... microphone to the Headset connector To use a panel microphone for talkback and the internal speaker for listening connect the microphone to the Panel Mic connector For Headset and Panel Mic connector specifications see page 24 For best re sults in noisy environments a noise canceling directional or cardioid micro phone is highly recommended If you are connecting a headset telephone handset or han...

Page 20: ...eedback since the microphone may pick up your returned voice audio from the speaker and re amplify it This could also happen if you are using a headset or headphones with open ear style earmuffs On the other hand if you are using earmuffs that completely enclose the ears the microphone is not likely to pick up the returned audio And a certain amount of your own voice level is desir able to overcom...

Page 21: ... 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 SS2000 only activate channel 2 and repeat the above steps to adjust the channel 2 sidetone 6 If the intercom station will be...

Page 22: ...anel microphone set the Speaker and Panel Mic keys to on Receiving Calls 1 When there is an incoming call signal the Call key will flash red There will also be a beep tone in the headphones or speaker if the beep feature is activated page 9 SS2000 only incoming call indication is provided only for the currently selected intercom channel 2 Turn on the Talk and Listen keys and begin your conversatio...

Page 23: ... key An inaudible call signal will be sent and the Listen key will automatically turn on 3 When you hear a response release the Call key and activate the talk key 4 Turn off your Talk and Listen keys to end the conversation 23 ...

Page 24: ...2 VDC microphone bias Intercom Channels Balanced 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 Ra...

Page 25: ...than 10 000 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 25 ...

Page 26: ... 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 with...

Page 27: ...nformation will be included in Revision E When setting the DIP switches it is difficult to identify the open and closed po sitions The open and closed positions are shown below 1 1 2 3 4 5 7 BACK SIDE OF FACEPLATE 8 10 11 12 Panel Mic Headset Volume GRN 1 RED 2 S S 2000 TM S peaker Ch S elect Panel Mic Call Talk Listen S W1 Ch 2 Ch 1 13 TOP VIEW OF FACEPLATE 6 9 DIP SWITCH POSITIONS CLOSED ON OPEN...

Page 28: ...TELEX COMMUNICATIONS INC 12000 Portland Ave So Burnsville MN 55337 U S A 9350 7620 000 Rev F 1 01 ...

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