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NULL MODEM CABLE PINOUTS

PRIMUX to Terminal (9 PIN) null modem cable PRIMUX to Terminal (25 PIN) null modem cable

( NTI cable part # DINT-xx-FF)

PRIMUX TERIMINAL PRIMUX TERMINAL

9 pin Signal 9 pin 9 pin Signal 25 pin

Function Pin # Direction Pin # Function Function Pin # Direction Pin # Function

RxD 2 3 TxD RxD 2 2 TxD

TxD 3 2 RxD TxD 3 3 RxD

CTS 8 N/C 7 RTS CTS 8 N/C 4 RTS

RTS 7 N/C 8 CTS RTS 7 N/C 5 CTS

DSR 6 N/C 4 DTR DSR 6 N/C 20 DTR

DTR 4 N/C 6 DSR DTR 4 N/C 6 DSR

DCD 1 N/C 1 DCD DCD 1 N/C 8 DCD

SG 5 5 SG SG 5 7 SG

N/C= not connected (no cable wire)

In this cable signals CTS and RTS are connected to each other at the connector ends, and

signals DSR, DTR, and DCD are connected to each other at the connector ends.

Note: Cable length not to exceed 15ft.

Mating Face

of 25D

Female Connector

Mating Face

of 9D

Male Connector

345

9 D F e m a l e

x x = 6 , 1 0 , 1 5 F E E T

9 D F e m a l e

N T I D I N T - x x - F F

1 2 ... 35 36 37 38 39 40 41 42

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Network Technologies CAT5 Manual do Utilizador Página 40