xDSL Transformer Reinforced Insulation Per EN 41003/EN 60950 Turns Ratio ( + 3 % ) PARAMETER Schematic Diagram 1:1 MIN. NOM. MAX. UNITS Impedance primary 135 Ω Impedance secondary 135 Ω 215 µH 215 µH 1 Inductance primary (1-4) 2,3 shorted 1 Inductance secondary (10-7) 8,9 shorted 1 Leakage inductance 1-4 (2,3 & 10,8,9,7 shorted) 24 µH 1 25 pF Interwinding capacitance (Between primary to secondary) Resistance (1-4, shorted 2,3) .70 Ω Resistance (7-10, shorted 8,9) .70 Ω Longitudinal balance (1MHz) Isolation 1 60 dB 3000 VRMS P ri Sec 1 :1 Tested @ 100kHz & 100 mVRMS Physical Dimensions inches (mm) Unused Pins Omitted RHOMBUS P/N: T-885G CUST P/N: DATE: 1/27/97 Rhombus Industries Inc. Transformers & Magnetic Products FSCM No. 16714 NAME: GLOBESPAN SHEET: 1 of 1 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971