Date: 6/14/04

SP508 Enhanced WAN Multi–Protocol Serial Transceiver

© Copyright 2004 Sipex Corporation

DCE CONFIGURATION

28

Recommended Signals and Port Pin Assignments

Pin

Number

Pin Mnemonic

Circuit

Pin Mnemonic

Pin

Number

Signal

Type

Mnemo

nic

DB-25

Pin(F)

Signal

Type

Mnemo

nic

DB-25

Pin(F)

Signal

Type

Mnemo

nic

DB-37

Pin(F)

Signal

Type

Mnemo

nic

M34

Pin(F)

Signal

Type

Mnemo

nic

DB-15

Pin(F)

28

TxD

SD(A)

97

V.28

BB

3

V.11

BB(A)

3

V.11

RD(A)

6

V.35

104

R

V.11

R(A)

4

3

SDEN

SD(B)

100

V.11

BB(B)

16

V.11

RD(B)

24

V.35

104

T

V.11

R(B)

11

29

TxCE

TT(A)

92

V.28

DD

17

V.11

DD(A)

17

V.11

RT(A)

8

V.35

115

V

V.11

B(A)

7**

4

TTEN

TT(B)

95

V.11

DD(B)

9

V.11

RT(B)

26

V.35

115

X

V.11

B(B)

14**

30

ST

ST(A)

87

V.28

DB

15

V.11

DB(A)

15

V.11

ST(A)

5

V.35

114

Y

V.11

S(A)

6

5

STEN

ST(B)

90

V.11

DB(B)

12

V.11

ST(B)

23

V.35

114

AA

V.11

S(B)

13

31

RTS

RS(A)

83

V.28

CB

5

V.11

CB(A)

5

V.11

CS(A)

9

V.28

106

D

V.11

I(A)

5

6

RSEN

RS(B)

85

V.11

CB(B)

13

V.11

CS(B)

27

V.11

I(B)

12

32

DTR

TR(A)

75

V.28

CC

6

V.11

CC(A)

6

V.11

DM(A)

11

V.28

107

E

7

TREN

TR(B)

78

V.11

CC(B)

22

V.11

DM(B)

29

33

DCD_DCE

RRC(A)

81

V.28

CF

8

V.11

CF(A)

8

V.11

RR(A)

13

V.28

109

F

8

RRCEN

RRC(B)

79

V.11

CF(B)

10

V.11

RR(B)

31

34

RL

RL(A)

65

V.28

CE

22

V.28

125

J

9

RLEN

35

LL

LL(A)

63

V.28

TM

25

V.10

TM

25

V.10

TM

18

V.28

142

NN

10

LLEN#

36

RxD

RD(A)

48

V.28

BA

2

V.11

BA(A)

2

V.11

SD(A)

4

V.35

103

P

V.11

T(A)

2

11

RDEN#

RD(B)

47

V.11

BA(B)

12

V.11

SD(B)

22

V.35

103

S

V.11

T(B)

9

37

RxC

RT(A)

50

V.28

DA

24

V.11

DA(A)

24

V.11

TT(A)

17

V.35

113

U

V.11

X(A)

7**

12

RTEN#

RT(B)

49

V.11

DA(B)

11

V.11

TT(B)

35

V.35

113

W

V.11

X(B)

14**

38

TxC

TxC(A)

53

13

TxCEN#

TxC(B)

51

39

CTS

CS(A)

55

V.28

CA

4

V.11

CA(A)

4

V.11

RS(A)

7

V.28

105

C

V.11

C(A)

3

14

CSEN#

CS(B)

54

V.11

CA(B)

19

V.11

RS(B)

25

V.11

C(B)

10

40

DSR

DM(A)

57

V.28

CD

20

V.11

CD(A)

20

V.11

TR(A)

12

V.28

108

H

15

DMEN#

DM(B)

56

V.11

CD(B)

23

V.11

TR(B)

30

41

DCD_DTE

RRT(A)

60

16

RRTEN#

RRT(B)

59

42

RI

IC

61

V.28

RL

21

V.10

RL

21

V.10

RL

14

V.28

140

N

17

ICEN#

43

TM

TM(A)

62

V.28

LL

18

V.10

LL

18

V.10

LL

10

V.28

141

L

18

TMEN

Spare drivers and receivers may be used for optional signals (Signal

Quality, Rate Detect, Standby) or may be disabled using individual

enable pins for each driver and receiver

** X.21 use either B() or

X(), not both

Pin assignments and signal functions are subject to national or regional variation and

proprietary / non-standard implementations

Receiver_7

Receiver_8

RS-449

V.35

X.21

Driver_1

RS-232 or V.24

EIA-530

Receiver_5

Receiver_6

Driver_7

Driver_8

Receiver_2

Receiver_3

Receiver_1

SP508 Multiprotocol Configured as DCE

Interface to System Logic

Interface to Port-

Connector

Receiver_4

Driver_2

Driver_3

Driver_4

Driver_5

Driver_6