T1/CEPT(E1)/ISDN-PRI TRANSFORMER P/N:4S1073 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 @ 25â â 1. Isolation HI-POT: 1500 Vrms 2. Turns Ratio(± 2%) : Transmit=1:2, Receive=1:2 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 : 1-3, 6-8, 11-13, 16-18 7. Primary Receive : 4-5, 9-10, 14-15, 19-20 C. Schematic & Mechanical: × × × × × īš Prepared :Qingli Wu Approved: Xu Wenbing Date : 2001/01/28 Drawing no.: ISDN Transformer REV.: A3 Page : 1/1