T1/CEPT(E1)/ISDN-PRI TRANSFORMER P/N: 4S1071 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 transceiver. B. Electrical Specifications @ 25°C 1. Isolation Hi-pot: 1500Vrms. 2. Turns Ratio (± 5%): Transmit=1:1/1.26CT,Receive=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: 1-2, 6-7, 11-12, 16-17 7. Primary Receive: 22-21, 27-26, 32-31, 37-36 C. Schematic & Mechanical: × × × × × ﹐ Prepared :Qingli Wu Approved: Xu Wenbing Date : 2001/01/27 Drawing no.: ISDN Transformer REV.: A3 Page : 1/1