• Designed for Ethernet 100/1000 Base-T full duplex applications

• Supports 4 pairs of category 5 UTP cable

• Cable interface for isolation and low common mode emissions

• Compliant with IEEE 802.3ab standard for 1000 Base-T

• Supports 1:1 Turns Ratio Transceivers

• Isolation voltage: 1500 Vrms

LAN

1000 Base T

Dual Port Magnetic Modules

7439-7440

SUGGESTED PAD LAYOUT

229 Colonnade Road, Ottawa, Ontario, Canada K2E 7K3

ELECTRICAL SPECIFICATIONS @ 25˚C

Insertion

Loss

(dB MAX)

Return Loss

(dB MIN @ 100Ω)

Differential to Common

Mode Rejection

(dB Typ)

Crosstalk

(dB MIN)

Part

Number

1-100 MHz

1-30

MHz

40

MHz

50

MHz

60-80

MHz

100

MHz

30 MHz

60 MHz

100 MHz

30 MHz

60 MHz

100 MHz

7439

-1.4

-16

-14.4

-13.1

-12

-10

-45

-40

-35

-43.5

-37.5

-33

7440

-1.4

-16

-14.4

-13.1

-12

-10

-45

-40

-35

-40

-35

-30

Continued

Page 1 of 2

CONTENTS

PAGE

Mechanical & Electrical Specs 1

Schematic

2

UNLESS OTHERWISE SPECIFIED, ALL TOLERANCES ARE ±0.010

An ISO 9001 Registered Company