Instruction/ maintenance manual of the product EMS-4001 Telex
Go to page of 11
1 User Instructions 9350-7713-000 Rev . B, 3/2005 Model EMS-4001 Exp ansion Master St ation Audiocom ® Intercom Systems.
2 FCC S t atement This equipment uses, and can radiate radio frequency energy that may cause interference to radio communications if not installed in accordance with this manual.
3 T able of Contents Description ................................................................................ 4 Featur es ..................................................................................... 4 Installation ........................
4 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).
5 9. Program Inputs Connector and T rimmers : 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).
6 W ARNING The following instructions are for use by qualified personnel only . T o avoid electric shock, do not remove the cover unless you are qualified to do so. A VERTISSMENT Les instructions qui suivent s’adressent uniquement a un technicien qualifie.
7 T able 1 - EMS-4001 configuration switch settings..
8 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.
9 Figure 3 - Example of EMS-4001 in a system. 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 .
10 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. S pecifications General Input and Output Power: AC Input: 100-240 V AC, 50/60 Hz Channel Power (each channel): 24 ±1 VDC, 2 A Dimensions: 1.
11 Call Signaling: Send: 20 kHz ±100 Hz, 0.5 V rms ±10% Receive: 20 kHz ±800Hz, 100 mV rms Mic-Kill Frequency: Send: 24 kHz ±100 Hz, 0.5 V rms ±10% Receive: 24 kHz ±800 Hz, 100 mV rms Noise Cont.
An important point after buying a device Telex EMS-4001 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Telex EMS-4001 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Telex EMS-4001 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Telex EMS-4001 you will learn all the available features of the product, as well as information on its operation. The information that you get Telex EMS-4001 will certainly help you make a decision on the purchase.
If you already are a holder of Telex EMS-4001, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Telex EMS-4001.
However, one of the most important roles played by the user manual is to help in solving problems with Telex EMS-4001. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Telex EMS-4001 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
