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M320 RJ-48 Cable Pinouts for E1 and T1 PICs

 

The E1 and T1 PICs use an RJ-48 cable, which is not supplied with the PIC.

Caution

To maintain agency approvals, use only a properly constructed, shielded cable.

Table 1, Table 2, Table 3, and Table 4 describe the RJ-48 connector pinouts.

Table 1: RJ-48 Connector to RJ-48 Connector (Straight) Pinouts

RJ-48 Pin (on T1/E1 PIC) (Data numbering form)

RJ-48 Pin

(Data numbering form)

Signal

1

1

RX, Ring, –

2

2

RX, Tip, +

4

4

TX, Ring, –

5

5

TX, Tip, +

3

3

Shield/Return/Ground

6

6

Shield/Return/Ground

7

No connect

No connect

8

No connect

No connect

9

No connect

No connect

10

No connect

No connect

11

No connect

No connect

12

No connect

No connect

13

No connect

No connect

14

No connect

No connect

15

No connect

No connect

Table 2: RJ-48 Connector to RJ-48 Connector (Crossover) Pinouts

RJ-48 Pin (on T1/E1 PIC)

(Data numbering form)

RJ-48 Pin

(Data numbering form)

Signal

1

4

RX/Ring/– <––>TX/Ring/–

2

5

RX/Tip/+ <––>TX/Tip/+

4

1

TX/Ring/– <––>RX/Ring/–

5

2

TX/Tip/+ <––>RX/Tip/+

3

3

Shield/Return/Ground

6

6

Shield/Return/Ground

7

No connect

No connect

8

No connect

No connect

9

No connect

No connect

10

No connect

No connect

11

No connect

No connect

12

No connect

No connect

13

No connect

No connect

14

No connect

No connect

15

No connect

No connect

Table 3: RJ-48 Connector to DB-15 Connector (Straight) Pinouts

RJ-48 Pin (on T1/E1 PIC)

(Data numbering form)

DB-15 Pin

(Data numbering form)

Signal

1

11

RX/Ring/– <––>RX/Ring/–

2

3

RX/Tip/+ <––>RX/Tip/+

4

9

TX/Ring/– <––>TX/Ring/–

5

1

TX/Tip/+ <––>TX/Tip/+

3

4

Shield/Return/Ground

6

2

Shield/Return/Ground

7

No connect

No connect

8

No connect

No connect

9

No connect

No connect

10

No connect

No connect

11

No connect

No connect

12

No connect

No connect

13

No connect

No connect

14

No connect

No connect

15

No connect

No connect

Table 4: RJ-48 Connector to DB-15 Connector (Crossover) Pinouts

RJ-48 Pin (on T1/E1 PIC)

(Data numbering form)

DB-15 Pin

(Data numbering form)

Signal

1

9

RX/Ring/– <––>TX/Ring/–

2

1

RX/Tip/+ <––>TX/Tip/+

4

11

TX/Ring/– <––>RX/Ring/–

5

3

TX/Tip/+ <––>RX/Tip/+

3

4

Shield/Return/Ground

6

2

Shield/Return/Ground

7

No connect

No connect

8

No connect

No connect

9

No connect

No connect

10

No connect

No connect

11

No connect

No connect

12

No connect

No connect

13

No connect

No connect

14

No connect

No connect

15

No connect

No connect