Table 10 provides pin diagrams for converting A6748A/A6749A RS-232 RJ45 Serial Port to AD278A/AD279A RS-232 RJ45 Serial Port.

Table 10: Converting A6748A/A6749A RS-232 RJ45 Serial Port to AD278A/AD279A RS-232 RJ45 Serial Port

RJ45 plug

RJ45

RS 232

RS 232 Signal

RJ45 Pin

Pin

Jack Pin

Signal

Description

Number

Number

Number

 

 

(AD278A/

(A6748A/

(A6748A

 

 

AD279A

A6749A

/A6749A

 

 

Solution)

Solution)

Solution)

 

 

 

 

 

 

 

 

Pin # 1

 

RI

Ring Indicator

Pin # 1

Pin # 2

 

RTS

Request to

Pin # 3

 

 

 

Send

 

Pin # 3

 

DTR

Data Terminal

Pin # 9

 

 

 

Ready

 

Pin # 4

 

RXD

Received Data

Pin # 6

Pin # 5

 

GND

Chassis

Pin # 4

 

 

 

Ground

 

Pin # 6

 

TXD

Transmitted

Pin # 5

 

 

 

Data

 

Pin # 7

 

GND

Signal Ground

Pin # 7

Pin # 8

 

DCD

Data Carrier

Pin # 10

 

 

 

Detect

 

Pin # 9

 

CTS

Clear to Send

Pin # 8

Pin # 10

 

DSR

Data Set

Pin # 2

 

 

 

Ready