CEPT TEW5515 is designed and approved to be used, as a transmit transformer in CEPT applications, 75 Ω coaxial line, with the following devices: – STC TEW5615 Output Transformer TEL5219L Complies with CCITT G.703 and I.431 with regards to Longitudinal Balance, Pulse Mask and Impedance. Typical applications are: • Primary rate ISDN network nodes. • PBX or computer to T1/CEPT Digital Trunks. • TDM Multiplexers. MECHANICAL 5 Top view 3 4 75 Ω Line TEL5219L 1 5 6 3 4 1 2 6 2 All dimensions are in mm. Recommended foot print TEW5615 94/11/11 Line Impedance ISSUE: A 5615.chp ELECTRICAL SPECIFICATION Inductance (mH) Turns ratio (5 - 6) (1 - 2) : (3 - 4) : (5 - 6) (1 - 2) + (3 - 4) 75 Ω 1.8 : 1.8 : 1 > 0.5 Longitud. Bal. I.431 Pulse Mask G.703 Dielectric Strength (Vrms) 1500 Filtran Limited 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3, Tel : (613) 226 -1626 Fax : (613) 226 -7124 2-49