Token Ring Transceiver PCA Part Number(s) EPT7063G Electrical Specifications @ 25°C XMIT RCV Unit Insertion Loss Parameter 8 MHz Frequency -0.5 -0.5 dB Max. Attenuation 10 MHz -1.1 -0.7 dB Min. 24 MHz -1.9 -1.3 1-17 MHz -14 -8 -20 -10 dB Min. dB Min. -40 -40 dB Min. -40 -40 dB Min. -30 -30 dB Min. Return Loss Specification 17-25 MHz Common Mode Rejection 5 MHz 20 MHz 70 MHz Crosstalk -50 (Between Channels) 1-32 MHz dB Min. dB Min. Ω Impedance Notes : 1. Optimized for T1380C60 & T1380C30. 2. Supports UTP & STP Transmission cables. 3. IEEE 802.5 compatible. Schematic Xmit 7 Ts+ 1 TX+ 100Ω 8 Tu+ 475Ω 5 Ph+ Filter 6 Ph2 TX- 9 Tu- 100Ω 10 Ts4 CHGND Rcv 14 Rs+ 20 RX+ 13 Ru+ 12 Ru19 RX11 Rs4 CHGND Pins 15, 16, 17, 18 - Not Connected Package .680 PCA EPT7063G Date Code .560 Leads : .018 x .010 ± .002 1.100 .275 .100 DST7063G Rev.1 .005 .040 QAF-CSO7 8/10/94 7/23/96 Unless Otherwise Noted Dimensions in Inches Tolerances: Fractional = ± 1/32 .XX = ± .030 .XXX = ± .010 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 ELECTRONICS INC. TEL: (818) 892-0761 FAX: (818) 894-5791 WEB: http://www.pcainc. com