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Via della Tecnica n.3
I-40050 Argelato Bologna Italy
Sales department Tel. +39 051 6634711 E-mail info@aev.net
Fax +39 051 6634700
Web site www.aev.net U.S.A. mirror www.aev-usa.com
ITB 302
ITB 302
ITB 302
ITB 302
ITB 302
D
T
IGITAL
Operating Manual
By Roberto Paganelli 27-05-2005
AEV S.p.A.
H
ELEPHONE
V. 1 , 08
YBRID
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Table of Contents
Related Manuals for AEV ITB-302
Summary of Contents for AEV ITB-302
- Page 1 AEV S.p.A. Via della Tecnica n.3 I-40050 Argelato Bologna Italy Sales department Tel. +39 051 6634711 E-mail info@aev.net Fax +39 051 6634700 Web site www.aev.net U.S.A. mirror www.aev-usa.com ITB 302 ITB 302 ITB 302 ITB 302 ITB 302 IGITAL ELEPHONE...
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Page 2: Guarantee
(if required) the name of the employee at the AEV SERVICE Dept. you have spoken to. No repairs will be made if the cost of shipment is charged to AEV. In this case, we will not accept the delivery. -
Page 3: Safety Precautions
Failure to observe this rule may adversely affect the safety level of your equipment. AEV S.p.A. declines all responsibility if any one of the safety rules given herein is not observed. • The equipment is to be connected to the mains supply and provided with adequate and efficient earth conductors. -
Page 4: Precautions
• Das vorliegende Gerät kann nur für die Benutzung verwendet appareil. werde, für die das Gerät ausdrücklich ausgelegt wurde. AEV S.p.A. décline toute responsabilité si on ne suit pas même • Jegliche andere Benutzung ist als unsachgemäss zu verstehen seulement une partie de ces précautions. - Page 5 Electronic Equipment • Avant de faire n'importe quelle opération de nettoyage et / ou • L'appareil doit être connecté au réseau d'alimentation qui a une d'entretien, débrayer l'appareil du réseau d'alimentation électrique ligne de terre réglementaire et fonctionnante. en enlevant le cordon de réseau et attendre au moins 2 secondes, en suivant ainsi les normes qui régularisent la sécurité.
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Page 6: Table Of Contents
Shipping Instruction ............................2 SAFETY PRECAUTIONS ......................3 SICHERHEITSINWEISE ........................ 3 PRECAUTIONS ..........................4 Telephone hybrids ..........................7 Features of AEV ITB-302 ........................ 7 Installation ............................8 General Description .......................... 9 The front panel ..........................9 The rear panel ..........................10 The remote control ......................... -
Page 7: Telephone Hybrids
Features of AEV ITB-302 AEV ITB-302 is a telephone hybrid that satisfies all today’s demands for studio and broadcast telephony allowing total management of telephone lines. It is designed in a 19", 1 unit, rack- mounting container, housing 1 or 2 telephone hybrids. -
Page 8: Installation
If well connected to the rack’s ground and earth connections, the unit will be immune to interference including RF, as long as the high frequency units have been correctly connected. AEV ITB-302 is anyhow fitted with RF filters on its inputs in order to eliminate annoying interference. -
Page 9: General Description
General Description The front panel The front panel of AEV ITB-302 is divided into 4 sections. The first 2 sections from the left are identical and allow control over the telephone hybrids. Four switches with associated LED indicators perform the following functions:... -
Page 10: The Rear Panel
Line connection for 2-wire lines The remote control AEV ITB-302 can be fitted with an optional remote control, allowing control of the hybrid and its functions. The remote control reproduces the front panel functions of the unit for the sections related to the two lines and to the general one. - Page 11 Electronic Equipment Two buttons are located on the upper part: BUZZER ON/AUTOLOCK S WITCH Successively pressed it enables or disables the incoming call buzzer and Autolock with Hang-up functions together. Indicator leds facilitate programming of these functions. PANEL/REMOTE B UTTON Switches between panel control and remote control.
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Page 12: On Telephone Lines
On telephone lines Connections to mixer and lines The connection of AEV ITB-302 to 2-wire telephone lines is made by inserting the telephone cable into the corresponding socket on the ITB-302 using a standard telephone line connector. Other telephonic equipment may be connected by inserting a standard connector in the appropriate ITB-302 socket. -
Page 13: Expansions
No modifications are necessary, except for the addition of further units and their corresponding cables. 4-wire lines AEV ITB-302 features an interface for normal 2-wire lines and, as an option, for 4-wire lines. This allows, amongst other things, connection to cellular telephones. ITB 302... -
Page 14: Technical Data
Electronic Equipment Technical Data AUDIO LEVELS Input level (SEND 1/2) ± 12 dBm Input impedance >10 KΩ Electronically Balanced Connector XLR female Output level (RECEIVE 1/2) 0 dBm Output impedance 100 Ω Electronically Balanced (max load 600 Ω) INSERT Input level 0 dB Input impedance >10 KΩ... -
Page 15: Wire Section
Electronic Equipment 4 WIRE SECTION Impedance 600 Ω RX Level - 12 ÷ + 12 dBm TX Level 0 dBm Frequency responce 50 ÷ 20000 Hz (-1 dB) Distorsion 0.8 % Noise ≥ 74 dB (DIN Noise) Crosstalk ≥ 75 dB (1KHz 0dBm) MEETING SECTION Connector 9-contact subminiature Cannon female... -
Page 16: Connections
Electronic Equipment Connections SEND: 1-GROUND 2-INPHASE 3-RETURN RECEIVE: 1-GROUND 2-INPHASE 3-RETURN INSERT: 1-MIC + 2-GND 3-IN SIGNAL (Insert) 4-GND 5-OUT SIGNAL +10 dB (Head) 6-MIC - 7-GND 8-GND 9-OUT SIGNAL 0 dB (Insert) 2 WIRE: 2-N.C. 3-TEL. SET / TEL. LINE 4-TEL. -
Page 17: Connections Expanders / Remote
Electronic Equipment Connections EXPANDERS / REMOTE Expander 1 Expander 2 1- INPUT + 1-N.C. 2-GND 2-GND 3-INPUT - 3-N.C. 4-OUTPUT + 4-N.C. 5-GND 5-GND 6-OUTPUT - 6-N.C. 7-EXPANDER INPUT 7-EXPANDER INPUT 8-GND 8-GND 9-EXPANDER OUTPUT 9-EXPANDER OUTPUT Remote 4 - Hook 2 (active low TTL input : internal pull-up 4K7) 16-Meeting 2...
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