7

Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (50) 668-707 • www.exar.com

SP320_00_092208

0.1µF

25 27 26 30

32

1N5819

C1-

C2-

C1+

C2+

SP320 (DTE)

14

79

28

31

+5V

15

20

1

22

25 27 26 30

32

1N5819

C1-

C2-

C1+

C2+

SP320 (DCE)

28

31

+5V

1

1

20

79

22

15

14

TxD (103)

TxC (113)

TxCC (114)

RxC (115)

RxD (104)

DTR (108)

RTS (105)

RL (140)

LL (141)

DSR (107)

CTS (106)

DCD (109)

TM (142)

78

80

21

2

3

2

3

1

19

16

13

17

24

1

3

2

3

2

1

16

13

17

24

78

80

19

21

P

S

U

W

Y

AA

X

V

T

R

H

C

N

L

E

D

F

NN

P

S

U

W

Y

AA

X

V

T

R

H

C

L

E

D

F

N

NN

29, 34, 43, 60, 64, 72

29, 34, 43, 60, 64, 72

B

B

A

A

ISO2593

34-PIN DTE

INTERFACE CONNECTOR

ISO2593

34-PIN DCE

INTERFACE CONNECTOR

0.1µF

0.1µF

0.1µF

0.1µF

0.1µF

0.1µF

0.1µF

Figure 7. Typical DTE-DCE V.35 Connection with the SP320