CEPT/T1 TEW5769 is designed to be used as an INPUT/OUTPUT transformer in the ISDN primary rate access network for the following devices: Dallas TEW5769 Input/Output Transformer DS2151Q DS2153Q Typical applications are: • Primary rate ISDN network nodes. • PBX or computer to T1/CEPT Digital Trunks. • TDM Multiplexers. TEW5769 exceeds the requirements of: ITU G.703, ETS 300 011, BS6328 and ANSI T1.408. MECHANICAL 3 6 Dimensions are in mm. Top view Device White dot at pin #1 5 Line 8.8 max 1 8.1 max 1 6 2 5 3 4 4 1.27 0.6 7.0 max 1.27 2.54 5.08 9.53 5.5 max Recommended foot print ELECTRICAL SPECIFICATION 97/08/25 5769.chp Line Impedance TEW5769 (4 - 5) 75,100 or 120 Ω Turns ratio (4 - 6) : (1 - 3) (4 - 5) : (1 - 3) 1.15 : 1 1:1 Inductance (4 - 5) > 1.8 mH Leakage Ind. (4 - 5) < 0.6 µH ISSUE:B Return Loss Dielectric Strength Filtran Limited 50 - 102 KHz 100 - 2048 KHz 2048 - 3072 KHz 100 - 1000 KHz >12dB (>15dB) >18dB (>20dB) >14dB (>20dB) > 26 dB ETS 300 011 / G.703 ETS 300 011 / G.703 ETS 300 011 / G.703 T1.408 ( BS6328 ) ( BS6328 ) ( BS6328 ) 1500 V rms 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3, Tel : (613) 226-1626 Fax : (613) 226-7124 2-58