ADTRAN 25 manual Atl Met

APPENDIX A: System Wiring Tables

Table A-A.

25-Pair Connector Pin Assignments

25-Pin Corm.

C a l l

G S

L S

Tlp Ring

ATL

MET

Backplane

Pin No.

W i r e

Proc.

Trunk

Trunk

Line

Line

Line

Pin No.

Color

Z T N

8 2

N76

ZTN77

ZTN78

ZTN79

TN735

(Slots 1.-12)

26

W-BL

RDA

T1

T1

T1

T1

T1

102

1

BL-W

SGA

RI

RI

RI

R1

R1

002

27

w - o

CT1

BTI

103

2

o - w

DCDA

CR1

BR1

003

28

W-G

DTRA

P-1

LT 1

104

3

G-W

TDA

P+l

LTR 1

004

29

W-BR

RDB

T2

T2

T2

T2

T2

105

4

BR-W

SGB

R2

R2

R2

R2

R2

005

30

w-s

CT2

BT2

106

5

s - w

DCDB

CR2

BR2

006

31

R-BL

DTRB

P-2

LT2

107

6

BL-R

TDB

P+2

LTR2

007

32

R-O

RDC

T3

T3

T3

T3

T3

108

7

O-R

SGC

R3

R3

R3

R3

R3

008

33

R-G

CT3

BT3

109

8

G-R

DCDC

CR3

BR3

009

34

R-BR

DTRC

P-3

LT3

110

9

BR-R

TDC

P+3

LTR3

010

35

R-S

RDD

T4

T4

T4

T4

T4

111

10

S-R

SGD

R4

R4

R4

R4

R4

011

36

BK-BL

CT4

BT4

112

11

BL-BK

DCDD

CR4

BR4

012

37

BK-O

DTRD

P-4

LT4

113

12

O-BK

TDD

P+4

LTR4

013

38

BK-G

T5

T5

T5

T5

302

13

G-BK

R5

R5

R5

R5

202

39

BK-BR

CT5

303

14

BR-BK

CR5

203

40

BK-S

P-5

3(M

15

S-BK

P+5

204

41

Y-BL

T6

T6

T6

T6

305

16

BL-Y

R6

R6

R6

R6

205

42

Y-o

CT6

306

17

o-Y

CR6

206

43

Y-G

P-6

307

18

G-Y

P+6

207

44

Y-BR

T7

T7

T7

T7

308

19

BR-Y

R7

R7

R7

R?

208

45

Y-s

ETU48

CT7

309

20

s-Y

ETUGD

CR7

209

46

V-BL

ETU48

P-7

310

21

BL-V

ETUGD

P+7

210

47

v-o

T8

T8

T8

T8

311

22

o-v

R8

R8

R8

R8

211

48

V-G

ETU48

CT8

312

23

G-V

ETUGD

CR8

212

49

V-BR

ETU48

P-8

313

24

BR-V

ETUGD

P+8

213

50

v-s

GND

GND

GND

GND

GND

300

25

s-v

GND

GND

GND

GND

GND

200

Note: TN747 is same as ZTN76 and ZTN77. TN762 is same as ZTN79.

A-2