CEPT/T1 TEW5111 Input Transformer TEW5111 is designed and approved to be used as a receive transformer with the following devices: Complies with ANSI T1.408 and CCITT I.431 for Longitudinal Balance and T1.408, G.703 & BS6328 for Return Loss. MITEL Typical applications are: MT89760 MT89790 • Primary rate ISDN network nodes. • PBX or computer to T1/CEPT Digital Trunks. • TDM Multiplexers. Low profile Surface Mount. MECHANICAL White dot at pin 1 3 Com. 1 All dimensions are in mm. Top view 6 12.2 2.54 (6 places) 9.6 Device 75 Ω 7 4 100 & 120 Ω 8 5 0.6 9.1 1.9 Recommended foot print 2.54 1.27 5.2 max 7.62 12.7 ELECTRICAL SPECIFICATION TEW5111 - 1 -2 -3 -4 100 Ω 120 Ω 75 Ω 75/120 Ω 1:1:1 —- 1 : 1 : 1.26 —- 1:1:1 —- 1 : 1 : 1.26 1:1:1 > 2.0 > 1.2 > 0. 7 > 1.2 Longitud. Bal. T.408 I.431 I.431 I.431 Return Loss T.408 G.703 G.703 BS6328 G.703 BS6328 Pulse Mask T1 CEPT CEPT CEPT 1500 1500 1500 1500 ISSUE: H 96/08/08 5111.chp Line Impedance Turns ratio (3-6):(4-5):(1-8) (3-6):(4-5):(1-7) Inductance (mH) (1-8) DCR (Ohms) (1 - 8) (3 - 5) Dielectric Strength (Vrms) Filtran Limited 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3, Tel : (613) 226 -1626 Fax : (613) 226 -7124 2-28