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Telex US2002 - page 1
Intercom User Station US2002 - 1 T ele x ® User Instructions Model US2002 Intercom User Station Audiocom ® Inter com Systems 9350-7748-000 Rev . A 01/2003 ...
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Telex US2002 - page 2
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Telex US2002 - page 3
Intercom User Station US2002 - 3 FCC S tatement 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 wh ...
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Telex US2002 - page 4
Intercom User Station US2002 - 4 T able of Contents FCC S tatement ..................................................................................................... 3 Introduction ......................................................................................................... 5 What’ s New with the US2002 ............................ ...
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Telex US2002 - page 5
Intercom User Station US2002 - 5 Index of Figur es Figure 1. US2002 Reference V iew ................................................................................................. ............ 7 Figure 2. Locations of Configuration Jumpers and Switches ................................................................ 9 Figure 3. Audiocom RMK Rack ...
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Telex US2002 - page 6
Intercom User Station US2002 - 6 Introduction Thank you for purchasing the Audiocom US2002 Intercom User Station. W e hope the many design features of this product will satisfy your intercommunication requirements for many years to come. T o get the most out of your new intercom station, please take a few moments to look through this booklet before ...
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Telex US2002 - page 7
Intercom User Station US2002 - 7 Description The US2002 Intercom User Station is designed for stationary use by personnel who may require selective access to two or more intercom channels. It can be rack mounted or used as a desktop station. For rack mounting, optional hardware is required. For desktop use, four rubber feet are supplied. The US2002 ...
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Telex US2002 - page 8
Intercom User Station US2002 - 8 Features 1. D YNAMIC -M IC H EADSET C ONNECTOR : Accepts headsets with monaural headphones and either a balanced or unbalanced dynamic microphone. 2. P ANEL M IC / E LECTRET - MIC H EADSET C ONNECTOR : Accepts an electret gooseneck micro phone, such as the T elex Model MCP-90-XX. The Model MCP-90 series panel mic co ...
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Telex US2002 - page 9
Intercom User Station US2002 - 9 Figure 2. Locations of Configuration Jumpers and Switches 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 T elex to properly register your US2002. Con ...
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Telex US2002 - page 10
Intercom User Station US2002 - 10 T able 1. Configuration Switch Settings h c t i w Sh c t i w S h c t i w S h c t i w Sh c t i w S r e b m u N n o i t p i r c s e Dn o i t p i r c s e D n o i t p i r c s e D n o i t p i r c s e Dn o i t p i r c s e Ds g n i t t e Ss g n i t t e S s g n i t t e S s g n i t t e Ss g n i t t e Sg n i t t e S t l u a ...
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Telex US2002 - page 11
Intercom User Station US2002 - 11 Headset Microphone T ype Selection DIP Switch SW1-1 applies only to a dynamic-mic headset connected to the dynamic-mic headset jack on the front panel. If the headset specifications indicate the microphone type is balanced, or if you are unsure, leave this switch in the off (default) position. If the specifications ...
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Telex US2002 - page 12
Intercom User Station US2002 - 12 Monaural or Binaural Operation DIP Switches The US2002 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 Speaker 1 jack on the back panel. The US2002 can also be used with two spe ...
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Telex US2002 - page 13
Intercom User Station US2002 - 13 Mounting Configurations The US2002 can be used on a desktop, or it can be rack mounted. For desktop use, install the 4 rubber feet supplied with the US2002. For rack mounting, use optional Audiocom RMK Rack Mount Kits (Figure 3). ☞ Y ou will have to perform the sidetone adjustment (page 28) after all components a ...
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Telex US2002 - page 14
Intercom User Station US2002 - 14 All Locally Powered S tations Any US2002 can be locally powered by connecting a P A-KP Local Power Supply . This is shown as an option in Figures 4 through 12. A special case is an intercom system where all stations are powered from local power supplies, with no central power supply . This is illustrated in Figure ...
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Telex US2002 - page 15
Intercom User Station US2002 - 15 7. Shielded patch cable, 9-pin Male Dsub to 9-pin Female Dsub. Customer local pur chase: available at Radio Shack, etc. Note: All pins must be connected straight through: do not use an RS232 computer cable! 8. Shielded patch cable, stereo miniplug to stereo miniplug. Customer local purchase. A vailable at Radio Sha ...
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Telex US2002 - page 16
Intercom User Station US2002 - 16 Figure 4. US2002 Monaural Master Speaker S tation Configuration with 1 Power Supply . This is a good configuration for smaller inter com systems when you want to operate the US2002 as a master speaker station, with one speaker to monitor both inter com channels. In this configuration, the SPS2001 Combine/Isolate sw ...
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Telex US2002 - page 17
Intercom User Station US2002 - 17 Figure 5. US2002 Binaural Master Speaker S tation Configuration with 1 Power Supply. This is a good configuration for smaller inter com systems when you want to operate the US2002 as a master speaker station, with a separate speaker for each inter com channel. Make sure the US2002 internal DIP switches ar e set for ...
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Telex US2002 - page 18
Intercom User Station US2002 - 18 Figure 6. US2002 Master Headset S tation Configuration with 1 Power Supply . This is a good configuration for smaller inter com systems when you want to operate the US2002 as a master headset station. In this configuration, the PS2001L Combine/Isolate switch is set to the Isolate position. W ith this setting the 2 ...
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Telex US2002 - page 19
Intercom User Station US2002 - 19 Figure 7. US2002 Monaural Master Speaker S tation Configuration with 2 Power Supplies. This is a good configuration for lar ge intercom systems when you want to operate the US2002 as a master speaker station, with one speaker to monitor both inter com channels. In this configuration, the SPS2001 and PS2001L Combine ...
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Telex US2002 - page 20
Intercom User Station US2002 - 20 Figure 8. US2002 Binaural Speaker Station Configuration with 2 Power Supplies. This is a good configuration for large intercom systems when you want to operate the US2002 as a master speaker station, with a separate speaker for each intercom channel. In this configuration, the SPS2001 Combine/Isolate switches are s ...
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Telex US2002 - page 21
Intercom User Station US2002 - 21 Figure 9. US2002 Headset Station Configuration with 2 Power Supplies. In this configuration, the PS2001L Combine/Isolate switches are set to the Combine position. W ith this setting all intercom stations connected to the one PS2001L are combined on intercom channel 1 and all intercom stations connected to the other ...
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Telex US2002 - page 22
Intercom User Station US2002 - 22 Figure 10. T ypical Remote Headset Station. In this example, the US2002 is not located near the system power supplies (SPS-2001, PS-2001L, etc.). The P A-KP local power supply is optional and can be used to power a single intercom station. When a P A-KP is connected to the US2002, the US2002 automatically disconnec ...
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Telex US2002 - page 23
Intercom User Station US2002 - 23 Figure 1 1. Typical Remote Monaural Speaker S tation. This example is similar to the one on the previous page, except a T elex MCP-90-XX microphone and a SPK-2000 speaker are used instead of a headset. Make sure the internal DIP switches are set for monaural speaker operation (default setting) as described on page ...
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Telex US2002 - page 24
Intercom User Station US2002 - 24 Figure 12. T ypical Remote Binaural Speaker Station. This example is similar to the one on the previous page, except that each channel is heard in a separate speaker . Make sure the internal DIP switches are set for binaural speaker operation as described on page 10. As in the previous example, a P A-KP local power ...
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Telex US2002 - page 25
Intercom User Station US2002 - 25 Figure 13. An example of all locally powered US2002 intercom stations. In this example, all components are locally powered using P A-KP local power supplies. Note the use of one termination plug in each intercom channel. (One termination plug is supplied with each US2002.) Only one termination plug should be instal ...
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Telex US2002 - page 26
Intercom User Station US2002 - 26 Figure 14. External Audio Input and P A Output. Y ou 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 34, for connector pin-out.) Ho ...
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Telex US2002 - page 27
Intercom User Station US2002 - 27 Figure 15. Audiocom Intercom Cables ...
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Telex US2002 - page 28
Intercom User Station US2002 - 28 Power -Up Check Plug in any P A-KP local power supplies that are being used, and also turn on any system power supplies that are being used. When power is first applied to the US2002, it will perform a power -up reset, in which the front panel indicators will cycle through all of their possible colors and then turn ...
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Telex US2002 - page 29
Intercom User Station US2002 - 29 If you are using headphones that completely enclose the ears, adjust sidetone as follows: 1. T ap the Headset key to turn the headset microphone on. 2. T ap the channel 1 T alk 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 ...
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Telex US2002 - page 30
Intercom User Station US2002 - 30 Figure 16. US2002 Bottom V iew V oice-Activated Microphone (V ox) 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 ...
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Telex US2002 - page 31
Intercom User Station US2002 - 31 Operation ☞ A quick-reference to the following operating features can be found on the inside of the back cover . Normal vs Programming Mode The US2002 has two operating modes: normal operating mode and programming mode. In normal operating mode, the Mic Kill key will be unlit, and in programming mode it will be l ...
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Telex US2002 - page 32
Intercom User Station US2002 - 32 Microphone Mute During T alk Y ou can mute the microphone while talking. Simply tap either the Headset key or the Panel Mic key , whichever is currently being used. T ap the key again to turn the microphone back on. (If you are using V ox, tap the key twice to reactivate vox.) All T alk Y ou can talk to all interco ...
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Telex US2002 - page 33
Intercom User Station US2002 - 33 Using Mic Kill If the Mic Kill feature has been enabled (page 10) you can use it to deactivate all talk keys on a single channel or on all channels. This feature is useful when a remote talk key has been left on and is causing unwanted noise on a channel. Use Mic Kill as follows: 1. T ap the Mic Kill key . It will ...
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Telex US2002 - page 34
Intercom User Station US2002 - 34 Specifications General Power Requirements: Phantom Power: 24 VDC nominal (12 to 30 VDC), 65 to 150 mA Local Power: 12 to 15 VDC, 65 to 150 mA Dimensions: 1.75" (44.5 mm) high x 8.25" (209.5 mm) wide x 10.31" (261.9 mm) deep W eight: approximately 2lb (0.9 kg) Environmental Requirements: Storage: -20? ...
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Telex US2002 - page 35
Intercom User Station US2002 - 35 Intercom Channels, Balanced Mode (SW2 set to BAL position) Output Level: 1 V rms 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 V rms ±10% Receive: 20 kHz ±800 Hz, 100 mV rms Mic-Kill Frequency: Sen ...
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Telex US2002 - page 36
Intercom User Station US2002 - 36 External Power T ype: 2.0 mm power jack Internal pin: positive (+) External shell: negative (-) Headphone Amplifier V oltage 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 T one: 2 kHz, at the headphones T otal Harm ...
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Telex US2002 - page 37
Intercom User Station US2002 - 37 Factory Service and Parts Information When returning equipment for repair include your return address, telephone number and proof of date of purchase, along with a description of the problem.* The address for Audiocom equipment returns and parts information is: Service Department T elex Communications, Inc. W est 1 ...
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Telex US2002 - page 38
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Telex US2002 - page 39
Intercom User Station US2002 - 39 T able 3. Quick Reference 2 0 0 2 S U t e s e R. 1 n e t s i L d n a k l a T l l A s s e r P A 0 0 0 4 S E t e s e R. 5 n e t s i L d n a 4 k l a T l l A s s e r P n o l a n g i s t s e T. l l a C p a t n e h t , A P d n a k l a T l l A s s e r P f f o l a n g i s t s e T. y e k r e h t o y n a p a t n e h t , l l ...
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Telex US2002 - page 40
9350-7748-000 Rev . A, 1/2003 ...
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