Servicing Information

V.11 / X.21 DB25 to DB15

Connector Cable

DB25 MALE

 

 

DB15 MALE

 

1

Protective Ground

Protective Ground

1

 

 

2

Transmit Data (A)

Transmit Data (A)

 

 

 

3

Receive Data(A)

Receive Data (A)

4

 

 

7

Signal Ground

Signal Ground

8

 

 

8

Indication (A)

Indication (A)

5

 

 

10

Indication (B)

Indication (B)

12

 

 

12

Signal Element Timing (B)

Signal Element Timing (B)

13

 

 

14

Transmit Data (B)

Transmit Data (B)

9

 

 

15

Signal Element Timing (A)

Signal Element Timing (A)

6

 

 

16

Receive Data (B)

Receive Data (B)

11

 

 

20

Control (A)

Control (A)

3

 

 

23

Control (B)

Control (B)

10

 

Figure C-10 V.11 / X.21 DB25 to DB15 Connector Cable

NOTE For U.K. Approval:

The connecting cable may be any length between 0 and 5M.

86

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Image 92
Black Box LR1530A-R3, LR1530A-EU-R3 manual Figure C-10 V.11 / X.21 DB25 to DB15 Connector Cable