TELEPHONE HYBRID-2 USER MANUAL Version 1.
Dear Customer, Thank you for choosing the Telephone Hybrid-2. This time you are not faced with a huge manual because it is simply not necessary because of the natural recognition of all functions on the user interface. All functions are self-explanatory and you will certainly appreciate the ergonomics of this design. We are confident that you will be using the Telephone Hybrid for many years to come, and wish you a lot of success with your operation.
D&R’s newest Telephone Hybrid-2 is the active version of the well known passive one, successfully sold over the last 5 years. Its concept originates from many demands for a more sophisticated hybrid with more features. The Telephone Hybrid-2 is an analogue unit with digital control and features like ducking making intelligibility a lot better in broadcast.. What is a telephone hybrid? Telephone hybrids provide the interface between professional audio equipment and the public telephone network.
Front panel lay-out CONNECT BUTTON: (RING) LC: HC: Ducking RECEIVE: SEND: Line connect switch to connect and disconnect calls from the telephone line. It can be remotely driven by connecting a switch to the GPIO sub D connector. Variable Low Cut filter to filter out unwanted low frequency noise. Variable High Cut filter to filter out unwanted high frequency noise. Indicates when caller’s signal is reduced. Level control for incoming signal from caller. Level control for outgoing signal to caller.
SYSTEM DESCRIPTION. A large ring button enables you to pick up the line from the unit itself or from your mixer when connected via its GPIO to the telephone Hybrid. When a call comes in it lights up green in the rhythm of the ring. When the line is picked up by pushing the button it turns into red. When it starts blinking red the line connection is lost. Both levels of receive and send can be adjusted to suit your requirements.
+SETTING UP PROCEDURE Connect the two wires of the telephone line’s wall unit to the RJ-11 connector labeled LINE and connect the telephone appliance itself to the Hybrid’s RJ-11 connector labeled PHONE. Note that to originate calls, a local phone must be connected to the system. Now the hybrid is interfaced (fully balanced) between your telephone appliance and its connection to the outside world. The hybrid can now split the send and return signals.
DUCKING The Hybrid has an automatic gain adjustment of the incoming signal from the caller when the presenter speaks. This feature both improves the side tone reduction and gives the presenter a level advantage over the caller when he interrupts the caller. When both parties are speaking the caller’s signal is reduced then.
GPI GPI FUNCTION CONNECTION Tip Pull down 47 ohm to ground Ring Pull up +5 volt via 10kohm Sleeve No Not connected PHONE RJ12 FUNCTION CONNECTION Pin 1 n.c. Pin 2 A (telephone line) In/out Pin 3 B (telephone line) In/out Pin 4 n.c. PHONE LINE LINE RJ12 FUNCTION CONNECTION Pin 1 n.c. Pin 2 A (telephone line) In/out Pin 3 B (telephone line) In/out Pin 4 n.c.
RECEIVE Impedance < 50 Ohm, electronically balanced Common mode rejection >40dB Maximum output level +26dBu Nominal output level +4 dBu Bandwidth to telephone line 250Hz – 4kHz, -3dB ref 1 kHz Telephone line impedance Nominally 600 ohm Telephone line impedance range 300 ohm to 1500 ohm Connectors XLR type 3 pin male Gain range send control +6dB to –20dB GENERAL Distortion Less than 0.
INSTALLATION Manual page 10
DECLARATION OF CONFORMITY Manufacturers Name: D&R Electronica Weesp b.v.
PRODUCT SAFETY This product is manufactured with the highest standards and is double checked in our quality control department for reliability in the "HIGH VOLTAGE" section. CAUTION Never remove any panels, or open this equipment. No user serviceable parts inside. Equipment power supply must be grounded at all times. Only use this product as described, in user manual or brochure. Do not operate this equipment in high humidity or expose it to water or other liquids.
removing the ground wire sometimes cures a system hum, it will create a very hazardous situation for the performing musician. Always earth all your equipment by the grounding pin in your mains plug. Hum loops should be only cured by proper wiring and isolation input/output transformers. Replace fuses always with the same type and rating after the equipment has been turned off and unplugged. If the fuse blows again you have an equipment failure, do not use it again and return it to your dealer for repair.
Hinweisezum Anschluss Technische des Telefonhybrids RJ11/KeineFunktiondesTelefons: Anschlussbelegung funktioniert. Manchmal kommtesvor,dasseinTelefonnichtamTelefonhybrid Diesliegtnichtan (RJ11) Anschlussbelegungen derTelefonleitungen einemGerdtedefekt, sondernan unterschiedlichen flihrenwir dierichtigeBelegung dereinzelnen Stecker auf,damitder amTelefon.Nachfolgenden Telefonhybrid betrieben werdenkann: (Wandanschl TAE-Stecker uss): F-Codierung: Abk.f0r "Fernsprecher-Codierung".
Technische Hinweisezum Anschluss des Telelonhybrids RJll-Stecker (Western-Stecker): BelegungTelefonInternationaleNorm 6 Kontakte(davon4 belegt),Westernstecker 6P4C.DiebeideniuBerenKontaktefehlen. - KabelamTelefonhybrid funktionieren mit jedemStandard Telefonemit dieserBeschaltung 1 = frei 2 = frei 3 = Laodera1 a-Leitungsader 4 = Lboder b1 b-Leitungsader 5 = frei 6 = frei BelegungTelefon(2.T.Telekom/ Siemens) RJll-stecker(Western-Stecker): 5 Kontakte(davon4 belegt),Westernstecker 5P4C.
TechnischeHinweisezum AnschlussdesTelefonhybrids Hierder Belerunqsplan alsGesamttibersicht 1 = a-Leitungsader 2 = b-Leltungsader 3 = frei 4 =trei 5 = frei 6 = frei - .
TELEPHONE HYBRID-2 SERVICE MANUAL Manual page 14
