10/100 BASE-T SINGLE PORT

TRANSFORMER MODULES

With 1:1 Transmit Turns Ratios

TRANSMIT

RECEIVE

TD+ 1

CT 2

TD- 3

RD+ 6

CT 7

RD- 8

16 TX+

14 TX-

11 RX+

9 RX-

10 CT

15 CT

1CT:1CT

1CT:1CT

RD+ 1

RD- 2

8 RX+

6 CT

7 RX-

CT 3

CT 14

TD- 15

TD+ 16

10 TX-

11 CMT

9 TX+

1CT:1CT

1CT:1

TRANSMIT

RECEIVE

RD+ 16

RD- 15

9 RX+

11 CT

10 RX-

CT 14

CT 3

TD- 2

TD+ 1

7 TX-

6 CMT

8 TX+

1CT:1CT

1CT:1CT

TRANSMIT

RECEIVE

Schematics

1CT:1:1CT

TRANSMIT

TD+ 16

CT

14

TD- 15

10

TX+

12 CT

11 TX-

12 CT

RD+

1

RECEIVE

RD-

2

CT

3

7

RX+

5

CT

6

RX-

PE-68515L, H1012, H1086, H1089, HX1148, H1138

H303.K (5/03)

2

PE-68517L, H1019

H1117, HX1178

H1042

Center-tapped inductor not included in H1089. So, pin 12 connects to the

transformer center tap.