PA-4T+ Port Adapter Cable Pinouts

Table 1-3 Intermediate Adapter Cable Signals (for Connecting a PA-4T+ to a NEC - NEXTSTAR 1E Model C4969 MD/SAC Unit)

Router (DTE) End,

 

 

 

Network (DCE) End,

DB-25 Receptacle

 

 

 

DB-25 Plug

 

 

 

 

 

Signal

Pin

 

Pin

Signal

 

 

 

 

 

Shield ground

1

 

1

Shield ground

 

 

 

 

 

TxD

2

—>

2

TxD

 

 

 

 

 

RxD

3

<—

3

RxD

 

 

 

 

 

RTS

4

—>

4

RTS

 

 

 

 

 

CTS

5

<—

5

CTS

 

 

 

 

 

DSR

6

<—

6

DSR

 

 

 

 

 

Circuit ground

7

 

7

Circuit ground

 

 

 

 

 

DCD

8

<—

8

DCD

 

 

 

 

 

TxC, RxC

15, 17

<—

15

TxC

 

 

 

 

 

<—

17

RxC

 

 

 

 

 

LTST

18

—>

18

LTST

 

 

 

 

 

DTR

20

—>

20

DTR

 

 

 

 

 

TxCE

24

—>

24

TxCE

 

 

 

 

 

Shorting group

 

 

 

Shorting group

 

 

 

 

 

Overview 1-11

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Image 13
Cisco Systems PA-4T manual Rts Cts Dsr