Datasheet text preview:
4/16 Mbps Token Ring 24 Pin Module for Transmit and Receive
Electrical Specifications @ 25°C PCA Part Number
Characteristic Impedance
EPT7002
Supports both STP and UTP Transmission Return Loss 1-5 MHz 10-16 MHz -20 dB Min. -15 dB Min. 24 MHz -8 dB Min.
24 MHz Insertion Loss 12 KHz 16 MHz 32 MHz -3.0 dBMax. -0.8 dB Max. -1.7 dB Max. -7.0 dB Min. Common to Common 100 KHz 20 MHz 200 MHz Mode Rejection -65 dB Min. -30 dB Min. -20 dB Min.
Common to Differential 100 KHz Rejection -70 dB Min.
10 MHz 100 MHz -55 dB Min. -25 dB Min.
Block Diagram for Transmit Interface Unit
5 Phantom A 4 1 Signal Isolation Matching Transformer 3 Vcc 2 Phantom Drive Signal Insertion 6 Phantom B Filter 20 Gnd 21 B 22
EMI Filtering 24 (6) 23 (3) 100 UTP
Block Diagram for Receiver Interface Unit
7 Gnd 10 9 Signal Isolation Matching Transformer 11 Load 12 Phantom Drive Signal Return 8 Gnd Filter 17 Gnd
150 STP 15 G 16 R EMI Filtering 13 (5) 14 (4) 100 UTP
