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Manufacturer

Model

Serial Settings

SRS

830 Lock in Amplifier

9600 8N2

SRS

SR620 Time Interaval Counter

9600 8N2

Table 8. Serial cable pinouts for DB25-Male to RJ45.

RJ45 Signal

RJ45 Socket 8 Position

Adapter Wire Color

DB9 DB25 Socket 9 25 Position

DB9 DB25 Signal

TxD

4

Red

2

TxD

RxD

5

Green

3

RxD

SG

6

Yellow

7

SG

Optional hardware handshaking lines, add to the above:

RJ45 Signal

RJ45 Socket 8 position

Adapter Wire Color

DB25 Socket 25 position

DB25 Signal

CTS

7

Brown

5

CTS

DTR

8

Gray

20

DTR