Nortel-networks Circuit Card Manual do Utilizador descarregar pdf (Página 707)

NTAK02 SDI/DCH card Page 707 of 906

Circuit Card Description and Installation

Table 228

NTAK02 connections at the cross-connect terminal – Port 3

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

17T

17R

Y- O

O-Y

SCTEA

—

SCTA

—

O

—

I

—

O

—

I

—

SCT

—

SCT

—

18T

18R

Y- G

G-Y

SCTEB

DTR

SCTB

DCD

O

O

I

I

—

—

—

—

CH/CI

DTR

—

DCD

19T

19R

Y- B R

BR-Y

DSR

DCD

CH/CI

DTR

I

I

O

O

I

I

O

O

DSR

DCD

CH/CI

DTR

20T

20R

Y- S

S-Y

RTS

CTS

CTS

RTS

O

I

I

O

O

I

I

O

RTS

CTS

CTS

RTS

21T

21R

V-BL

BL-V

SCRA

SCTA

SCTEA

RXCA

I

I

O

O

I

I

O

O

SCR

SCT

SCT

—

22T

22R

V-O

O-V

SCRB

SCTB

SCTEB

RXCB

I

I

O

O

—

—

—

—

—

—

—

—

23T

23R

V-G

G-V

RXDA

TXDA

TXDA

RXDA

I

O

O

I

I

O

O

I

RXD

TXD

TXD

RXD

24T

24R

V-BR

BR-V

RXDB

TXDB

TXDB

RXDB

I

O

O

I

—

—

—

—

—

—

—

—

25T

25R

V-S

S-V

—

SG

—

SG

—

—

—

—

—

—

—

—

SG

—

SG

—

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