User manual TELEX AUDIOCOM ICW-4 REV A

[. . . ] Products with their serial numbers removed or effaced are not covered by this warranty. To obtain warranty service, follow the procedures entitled "Procedure for Returns" and " Shipping to Manufacturer for Repair or Adjustment". This warranty is the sole and exclusive express warranty given with respect to Audiocom products. [. . . ] West 1st Street Blue Earth, MN 56013 U. S. A. Upon completion of any repair the equipment will be returned via United Parcel Service or specified shipper collect. SETUP Audiocom® Mode RTSTM TWTM Channel 2 or ClearComTM Mode RTSTM TWTM Channel 1 Mode 1. Determine which type of main intercom system you have. The ICW-4 supports connections to RTSTM TWTM channels 1 or 2, ClearComTM, and Audiocom® systems. To configure the ICW-4 for a given main intercom system, do the following: 1. Remove the two screws holding the rear cover on the ICW-4 and carefully remove the cover. It is located on the left side of the PC board as viewed with the rear cover off. Set the switch for the appropriate mode. (See Figure Above) There are three positions: LEFT = RTSTM TWTM Ch 1 CENTER = RTSTM TWTM Ch 2 or ClearComTM RIGHT = Audiocom®. Carefully place the rear cover back on the unit being sure that the wiring harness is not pinched. Insert and secure the two screws to hold the cover on. Note: The following instructions assumes that the ICW-3 is mounted, but not connected to any wiring or microphones. See the connection diagrams on the next page for a pictorial view of these instructions. 3. Insert one end of the RJ-45 to RJ-45 link cable into the connector on the bottom of the ICW-3 and insert the other end into the connector on the rear of the ICW-4. Insert the barrel connector of the switching power supply (the one included with the ICW-3) into the power jack on the rear of the ICW-4. Insert the IEC line cord into the connector on the power supply. Wire a cable for interconnection to the main intercom system and insert it into the XLR connector located on the rear of the ICW-4. (See the SPECIFICATIONS section for the correct pinout for your particular Intercom system. ) SETUP PROCEDURE CONTINUED ON NEXT PAGE 7. (Optional) Insert the auxiliary audio feed into the AUX IN jack. [. . . ] To talk to others on the main intercom system, set the slide switch located on the right front of the ICW-4 to the CONF position. To prevent placing audio on either the ICW-3 or main intercom system, set the slide switch located on the right front of the ICW-4 to the OFF position. At all times, and regardless of the slide switch position, you will be able to hear the auxiliary audio feed (if present). SPECIFICATIONS Overall Power Requirement: System Frequency Response: Environmental: Physical: Outputs Headphone: 12 to 15 VDC, 200 mA nominal (powers ICW-3 as well) 200 to 4. 5 kHz ±3 dB 0 to 55°C, 0 to 90% Humidity, non-condensing 1. 44" (36 mm)H x 5. 27" (134 mm)W x 4" (102 mm)D; 0. 88 lbs (0. 4 kg) Telex ® Mic Headphone impedance: 25 ohms, 31 mW, 109 dB peak SPL, Voice range: 84 to 109 dB SPL Headphone impedance: 150 ohms, 15 mW, 106 dB peak SPL, Voice range: 81 to 1096 dB SPL Vol Inside ICW-3 Vol Outsid e Mute Phone Mic Headset Vox Input/Output House Intercom: POWER IN AUX IN TO ICW-3 ICW-4 rear view IN/OUT INTERCOM Printed circuit board switch to select: 1) RTSTM TWTM, channels 1 or 2 2) AudioCom® (balanced) 3) Clear-ComTM (unbalanced, single channel) System levels range from -10 dBu to 0 dBu into 200 to 300 ohms. [. . . ]