Db-9 port pin assignments, Console port to 9-pin dte port on pc – NetComm NCT240 User Manual

Page 31

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NetComm NCT240 Installation Guide Release 1.0

Figure 5-1. Connecting to the Punch-down Blocks

DB-9 Port Pin Assignments

EIA Circuit CCITT Signal

Description Switch’s

DB-9

DTE Pin #

PC DB-9 DTE Pin

#

BB 104

RxD

(Received Data)

2 2

BA 103

TxD

(Transmitted Data)

3 3

AB 102

SGND

(Signal Ground)

5 5

Console Port to 9-Pin DTE Port on PC

Switch’s 9-pin Serial Port

CCITT Signal

PC’s 9-pin DTE Port

2 RxD <----------RXD

------------ 3

TxD

3 TxD -------------TXD

-----------> 2

RxD

5 SGND ------------SGND

----------- 5

SGND

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