7248

LAN 10/100 BASE-TX DUAL PORT MODULE 7248 • Designed to support two RJ-45 connectors • Compliant with IEEE 802.3u and ANSI X3.263 standards MECHANICAL AND SCHEMATIC (All dimensions in inches) SUGGESTED PAD LAYOUT 0.690 +TD1 1 SCHEMATIC 24 +TX1 24 X .020 0.550 TDCT1 2 23 TXCT1 -TD1 3 7248 FD/C 1:1 2 -TX1 0.480 0.500 0.650 +RD1 4 21 +RX1 RDCT1 5 20 RXCT1 11 X .050 -RD1 6 1:1 19 -RX1 11 X 0.050 24 X 0.030 +TD2 7 18 +TX2 0.5508 TDCT2 8 17 TXCT2 -TD2 9 1:1 16 -TX2 0.010 0.30 MAX +RD2 10 15 +RX2 RDCT2 11 14 RXCT2 24 X 0.045 -RD2 12 1:1 13 -RX2 ELECTRICAL SPECIFICATION @ 25˚C Insertion Loss (dB TYP) 0.1-100MHz 23/10/01 Part Number Return Loss (dB MIN) 2-30MHz -18 40 MHz -16 50 MHz -14 60-80MHz -12 Differential to Common Mode Rejection (dB TYP) 1-60MHz -45 60-200MHz -35 1MHz -60 Crosstalk (dB TYP) 30MHz -45 60MHz -40 100MHz -35 7248 7248 -1.2 ISSUE: A An ISO 9001 Registered Company 229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3 Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com