T1/CEPT(E1)/ISDN-PRI TRANSFORMER P/N: 4S1067 DATA SHEET A. General Specifications 1. Eight transformers in a surface mount package supports four transmit and four receive channels . 2. Cross talk : -65dB or better 3. Models matched to leading quad and dual T1/E1/CEPTISDN-PRI transceivers . B. Electrical Specifications @ 25°C 1. Isolation HI-POT: 1500 Vrms 2. Turns Ratio(± 5%) : TX=1:1.36CT,RX=1:2CT 3. TX/RX OCL. : 1.2 mH Min /1.2 mH Min 4. TX/RX. Cw/w: 35 pF Max/35 pF Max 5. TX/RX L/L: 0.6 μH Max/0.6 μH Max 6. Primary transmit : 25-24, 30-29, 35-34, 40-39 7. Primary receive : 4-5,9-10,14-15,19-20 C. Schematic & Mechanical : ﹐ Prepared :Luo Ming Li Approved: Xu Wenbing Date : 2001/05/30 Drawing no.: ISDN Transformer REV.: A0 Page : 1/1