RJ-48 Connector Pinouts - IMG 1004

 

Straight Pinout:

RJ-48 Pin (T1/E1)

RJ-48 Pin

Signal

1

1

RX, Ring, -

2

2

RX, Tip, +

3

3

Shield/Return/Ground

4

4

TX, Ring, -

5

5

TX, Tip, +

6

6

Shield/Return/Ground

7

No connect

No connect

8

No connect

No connect

 

Crossover Pinout:

RJ-48 Pin (T1/E1)

RJ-48 Pin

Signal

1

4

RX/Ring/- <-->TX/Ring/-

2

5

RX/Tip/+ <-->TX/Tip/+

3

3

Shield/Return/Ground

4

1

TX/Ring/- <-->RX/Ring/-

5

2

TX/Tip/+ <-->RX/Tip/+

6

6

Shield/Return/Ground

7

No connect

No connect

8

No connect

No connect

 

Reference Timing (Reference Timing Needs to be Configured First):

RJ-48 Pin (T1/E1)

Signal

1

RX/Ring/-

2

RX/Tip/+

3

Not Used

4

Not Used

5

Not Used

6

Not Used

7

Not Used

8

Not Used

 

Debug Cable Pinout (RJ45 to DB9):

Note: The example below uses a "Roll Over Cable". One side of the cable plugs into the rear of the IMG 1004. The other side plugs into the RJ45 to DB9 adapter. For basic serial communications only TxD, Rxd, and Gnd need to be connected.

 

 

CABLE: (ROLL OVER CABLE)

A SIDE (RJ45 Male)

Wire Color

B SIDE (RJ45 Male)

1

Brown

8

2

Blue

7

3

Yellow

6

4

Green

5

5

Red

4

6

Black

3

7

Orange

2

8

Gray

1

 

 

RJ45F  to DB9M: (CABLING INSIDE ADAPTER)

RJ45

Signal

DB9 Male

 

 

Pin 1 Empty

Pin 1

CTS

Pin 8

Pin 2

DSR

Pin 6

Pin 3

RxD

Pin 2

Pin 4

Gnd

Pin 5

Pin 5

Gnd

Pin 5

Pin 6

TxD

Pin 3

Pin 7

DTR

Pin 4

Pin 8

RTS

Pin 7