Nortel Networks Circuit Card Manual

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NTAK02 SDI/DCH card Page 705 of 906

Circuit Card Description and Installation

Table 226

NTAK02 connections at the cross-connect terminal – Port 1

RS422 RS232

Cable Signal

Designations

I=Input

O=Output

Designations

I=Input

O=Output

Signal

Pair Color DTE DCE DTE DCE DTE DCE DTE DCE

5T

5R

W-S

S-W

SCTEA

—

SCTA

—

O

—

I

—

O

—

I

—

SCT

—

SCT

—

6T

6R

R-BL

BL-R

SCTEB

DTR

SCTB

DCD

O

O

I

I

—

—

—

—

CH/CI

DTR

—

DCD

7T

7R

R-O

O-R

DSR

DCD

CH/CI

DTR

I

I

O

O

I

I

O

O

DSR

DCD

CH/CI

DTR

8T

8R

R-G

G-R

RTS

CTS

CTS

RTS

O

I

I

O

O

I

I

O

RTS

CTS

CTS

RTS

9T

9R

R-BR

BR-R

SCRA

SCTA

SCTEA

RXCA

I

I

O

O

I

I

O

O

SCR

SCT

SCT

—

10T

10R

R-S

S-R

SCRB

SCTB

SCTEB

RXCB

I

I

O

O

—

—

—

—

—

—

—

—

11T

11R

BK-BL

BL-BK

RXDA

TXDA

TXDA

RXDA

I

O

O

I

I

O

O

I

RXD

TXD

TXD

RXD

12T

12R

BK-O

O-BK

RXDB

TXDB

TXDB

RXDB

I

O

O

I

—

—

—

—

—

—

—

—

25T

25R

V-S

S-V

SG

—

SG

—

—

—

—

—

—

—

—

—

SG

—

SG

—