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ISDN U-BUS
SCOPE The TPW4671 transformer is designed to interface with the subscribers premises (NT) and the 2- wire line side of the Central Office Equipment (LT) in the ISDN Network.
Input/Output Transformer
TPW4671
TPW4671 meets the electrical specifications of ANSI TI.6011988 and is approved for the Mitel MT8910 DSLIC device.
MECHANICAL
Dot at pin 1
ELECTRICAL
TPW4671.chp
Line Impedance Inductance Leakage Inductance Winding Capacitance Longitudinal Balance DC Capability (Line Side) Dielectric Strength (2-11)+(1-12) (8-5) (2-11)+(1-12) 1 - 4 KHz 4 - 160 KHz
135 Ω 11.0mH < 75 µH < 500 pF > 65 dB > 58 dB 50mA 2000 V rms
ISSUE: E
94/12/14
Filtran Limited
229 Colonnade Road, Nepean, Ontario, Canada.