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Terminal Port Adapters


General Information



Figure 1. An RJ45 to DB9 adapter kit.

Information from Digi about cable adapters:http://www.digi.com/pdf/cable_adapter_reference.pdf


DB9S (Female) to RJ45, DTE, No Hardware Flow Control

Table 1. DTE Devices that require DB9S (Female) to RJ45 adapter without hardware flow control

Manufacturer

Model

Serial Settings

Motorola

MVME-6100

 

MKS

937A Vacuum Gauge Controller

9600 8E1

MKS

PR4000

9600 701

Table 2. Serial cable pinouts for DB9-Female to RJ45.

RJ45 Signal

RJ45 Socket 8 Position

Adapter Wire Color

DB9 Socket 9 Position

DB9 Signal

TxD

4

Red

2

RxD

RxD

5

Green

3

TxD

SG

6

Yellow

5

SG


DB9P (Male) to RJ45, DTE, No Hardware Flow Control

Table 3. DTE Devices that require DB9P (Male) to RJ45 adapter without hardware flow control

Manufacturer

Model

Serial Settings

Gamma

MPC and MPCe Vacuum Pump Controllers

9600 8N1

Varian

V81 Turbo Pump Controller

9600 8N1

MKS

937B (see table 4b)

9600 8E1

Table 4. Serial cable pinouts for DB9-Male to RJ45.

RJ45 Signal

RJ45 Socket 8 Position

Adapter Wire Color

DB9 Socket 9 Position

DB9 Signal

TxD

4

Red

2

RxD

RxD

5

Green

3

TxD

SG

6

Yellow

5

SG

 
Table 4b Serial cable pinouts for DB9-Male to RJ45 (MKS 937B and Varian V81). Digi part number 76000701, "TS DB9M Modem Adapter"

RJ45 Signal

RJ45 Socket 8 Position

Adapter Wire Color

DB9 Socket 9 Position

DB9 Signal

TxD

4

Red

3

RxD

RxD

5

Green

2

TxD

SG

6

Yellow

5

SG



DB9P (Male) to RJ45, DCE, No Hardware Flow Control

Table 5. DCE Devices that require DB9P (Male) to RJ45 adapter without hardware flow control

Manufacturer

Model

Serial Settings

Lakeshore

340 Temperature Controller

9600 8N1

Sigma

PAT-001

9600 8N1

Finger Lakes

CFW-1-5

19200 8N1

Table 6. Serial cable pinouts for DB9-Male to RJ45. Digi part number 76000701, "TS DB9M Modem Adapter"

RJ45 Signal

RJ45 Socket 8 Position

Adapter Wire Color

DB9 Socket 9 Position

DB9 Signal

TxD

4

Red

3

TxD

RxD

5

Green

2

RxD

SG

6

Yellow

5

SG


DB9P (Male) to RJ45, DCE, With Hardware Flow Control

Table 5. DCE Devices that require DB9P (Male) to RJ45 adapter without hardware flow control

Manufacturer

Model

Serial Settings

Coherent

EPM2000 Power Meter

38400 8N1

Table 6. Serial cable pinouts for DB9-Male to RJ45. Digi part number 76000701, "TS DB9M Modem Adapter"

RJ45 Signal

RJ45 Socket 8 Position

Adapter Wire Color

DB9 Socket 9 Position

DB9 Signal

DCD

1

Blue

1

DCD

RTS

2

Orange

7

RTS

TxD

4

Red

3

TxD

RxD

5

Green

2

RxD

SG

6

Yellow

5

SG

CTS

7

Brown

8

CTS

DTR

8

Gray

4

DTR

DB25 (Male) to RJ45 adapter without hardware flow control

Table 7. DCE Devices that require DB25 (Male) to RJ45 adapter without hardware flow control

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

DB25 Socket 25 Position

DB25 Signal

TxD

4

Red

2

TxD

RxD

5

Green

3

RxD

SG

6

Yellow

7

SG

The mapping below is as built in a working SR620 system. It has not been verified that the lines are used, so this may be incorrect. 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

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