APC78172 ANNEX B APC78172DT ANNEX B. DT (DEUTSCHE TELEKOM) APC78172 FEATURES • APC78172 is designed to interface with Alcatel’s MTC20156 ADSL/ISDN transceiver chipset to optimize the customer premises equipment (CPE) designs. The hybrid contains components required between the analog front end chip and the Telco connector, including the line interface transformer, common mode choke, line protection circuitry and transmit and receive filters. • Excludes line driver and input capacitors (see note 2) • Pin compatible with Annex A module APC78106 • 1500V line isolation transformer • Complies with EN60950-1:2001 (Supplementary Isolation) ELECTRICAL SPECIFICATIONS Description Passband Frequency Stopband Frequency Insertion Loss dB max Return Loss dB min Attenuation dB min Rx Filter HPF 280 kHz to 1 MHz 0 to 276 kHz -10 -15 -40 Tx Filter BPF 130 kHz to 276 kHz 0 to 125kHz 16 -15 -40 * Trans Hybrid loss through TX/RX > 20dB BLOCK DIAGRAM RX� TER� FIL� TIP� CMC� TFMR� AFE� CHIP� (EXTERNAL)� HYBRID� RING� TX� FIL� TER� APC78172� NOTES: ALL TRACES BETWEEN APC PINS 10 AND 14 AND ELANTEC LINE DRIVER PINS 3 AND 5 RESPECTIVELY MUST BE KEPT SYMMETRICAL, PARALLEL AND EQUIDISTANT. APP DIAGRAM SHOWS LOCATION OF 2 X 820pF CAPACITORS TO BE ADDED EXTERNALLY. APC78172 APPLICATION DIAGRAM PINS 1-2 = TNV; PINS 3-16 = SELV Pin No. Description Pin No. Description Pin No. 1 Tip 7 GND 13 Description N/C 2 Ring 8 RXP 14 8016 Pin 21/ EL1510C pin 5 3 TXN 9 RXN 15 8016 Pin 23/ EL1510C pin 7 4 TXP 10 8016 Pin 4/ EL1510C pin 3 16 8016 Pin 22/ EL1510C pin 6 5 A_GND_TX 11 8016 Pin 2/ EL1510C pin 1 17 N/C 6 N/C 12 8016 Pin 3/ EL1510C pin 2 18 N/C ©2003 Bel Fuse Inc. Specifications subject to change without notice. 12.10.03 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com Page 1 APC78172 ANNEX B APC78172DT ANNEX B. DT (DEUTSCHE TELEKOM) APC78172 FREQUENCY RESPONSE 30 MECHANICAL S� ide�V� iew� 5� 3.�� 86 �� E� n� d�V� iew� R� e� co �� mm �e �� n� d� e� d�P� .� C� .B �� Foo� tp �� r� int� 3� 5.�� 6� 2� .� 54 ��P� I� TC� H� I� N�1� 4�P� LA �� CE �� S� 3� 3.�� 02 �� 9� 1� 1� 8�OFF�H� OL� E� S X�Ø1� .� 00 �� 2� 9.�� 7� 1� 4� .0 �� MAX� 5.� 4�m� m� B� o� tt� o �� m�V� iew� 1� 8� 1� 0� 2� .8 �� 2� .9 �� 5� ©2003 Bel Fuse Inc. Specifications subject to change without notice. 12.10.03 CORPORATE FAR EAST EUROPE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com Bel Fuse Ltd. 8F / 8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com Bel Stewart Connector 45/46 Riverside Medway City Estate Rochester, Kent ME2 4DP U.K. Tel 44-1634-722890 Fax 44-1634-716677 www.belfuse.com Page 2