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74741 Datasheet(PDF) 4 Page - Molex Electronics Ltd. |
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74741 Datasheet(HTML) 4 Page - Molex Electronics Ltd. |
4 / 4 page SFP HOST CONNECTOR PIN DESCRIPTIONS 1000Base-T RJ-45 Gigabit Ethernet SFP Copper Transceiver 74741 SFP Host Connect Electrical Interface, Pin Descriptions PIN NAME DESCRIPTION PIN 1 GND Ground PIN 2 TX_FAULT This pin is internally tied to transmit ground. TX_Fault is not implemented. PIN 3 TX_DISABLE Low for normal operation. Active high input which disables the transmitter output. 5.1K pull-up on module. PIN 4 MOD_DEF(2) Signal SDA (Data) of the two-wire serial ID interface. PIN 5 MOD_DEF(1) Signal SCL (Clock) of the two-wire serial ID interface. PIN 6 MOD_DEF(0) This pin is internally tied to transmit ground. PIN 7 Rate select This pin is floating. Rate select is not implemented. PIN 8 LOS See part description for details (below) PIN 9 GND Ground PIN 10 GND Ground PIN 11 GND Ground PIN 12 RD- Differential receiver outputs. User to terminate to 100 ohms differential at host. (AC coupled) PIN 13 RD+ Differential receiver outputs. User to terminate to 100 ohms differential at host. (AC coupled) PIN 14 GND Ground PIN 15 VCC 3.3V Power PIN 16 VCC 3.3V Power PIN 17 GND Ground PIN 18 TD+ Differential transmitter inputs. Internally terminated to 100 ohms differential at host. (AC coupled) PIN 19 TD- Differential transmitter inputs. Internally terminated to 100 ohms differential at host. (AC coupled) PIN 20 GND Ground Part No. Options Part No. Options 74741-0001 ■ Auto Negotiation On ■ Auto Negotiation Bypass ■ LOS Toggle 74741-0002 ■ Auto Negotiation On ■ Auto Negotiation Bypass ■ LOS GND SFP 1000BASE-T DIMENSIONS Americas Headquarters Lisle, Illinois 60532 U.S.A. 1-800-78MOLEX amerinfo@molex.com Far East North Headquarters Yamato, Kanagawa, Japan 81-462-65-2324 feninfo@molex.com Far East South Headquarters Jurong, Singapore 65-6-268-6868 fesinfo@molex.com European Headquarters Munich, Germany 49-89-413092-0 eurinfo@molex.com Corporate Headquarters 2222 Wellington Ct. Lisle, IL 60532 U.S.A. 630-969-4550 Fax:630-969-1352 Visit our Web site at www.molex.com/product/io/sfp1000.html Order No. USA-209 Printed in USA/JI/2004.03 © 2004, Molex |
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