T1/CEPT(E1)/ISDN-PRI TRANSFORMER P/N:4S1068 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/CEPT/ISDN-PRI transceivers. B. Electrical Specifications @25â â 1. Turns Ratio (± 5%) : Transmit=1:2CT, Receive=1:1CT 2. TX/RX OCL. : 1.2 mH Min /1.2 mH Min 3. TX/RX. CW/W : 35 pF Max/35 pF Max 4. TX/RX L/L : 0.6 µH Max/0.6 µH Max 5. Transmit Primary PIN: 1-2, 6-7, 11-12, 16-17 6. Receive Primary PIN : 22-21, 27-26, 32-31, 37-36 7. Isolation HI-POT : 1500 Vrms. C. Schematic & Mechanical: × × × × × īš Prepared :Qingli Wu Approved: Xu Wenbing Date : 2001/01/27 Drawing no.: ISDN Transformer REV.: A1 Page : 1/1