Stage 1 V.24/X.21bis cable wrap connector wiring

Table 57. V.24/X.21bis cable wrap connector wiring

Signal designation

Wrap connector pin to pin

 

 

Transmit data to receive data A

2 to 3

 

 

RTS to CTS

4 to 5

 

 

DTR to DSR

20 to 6

 

 

Data signal rate selector to carrier detector

23 to 8

 

 

DTE clock to RSET DCE, (TSET)1

24 to 17 (15)

Select standby to TSET1

11 to 15

Remote loopback to calling indicator

21 to 22

 

 

Local loopback to test indicator

18 to 25

 

 

Note:

 

1

Some cables do not contain the Select Standby to TSET wrap. In these cables, DTE Clock wraps to RSET

 

 

DCE and TSET.

V.24/X.21bis cable wrap connector wiring

Table 58. V.24/X.21bis cable wrap connector wiring

Signal designation

Wrap connector pin to pin

 

 

Transmit data to receive data A

2 to 3

 

 

RTS to CTS

4 to 5

 

 

DTR to DSR

20 to 6

 

 

Data signal rate selector to carrier detector

23 to 15 (17)

 

 

DTE clock to RSET DCE, (TSET)

24 to 25

 

 

Select standby to TSET1

11 to 17

Remote loopback to calling indicator

21 to 22

 

 

Local loopback to test indicator

18 to 8

 

 

Note:

 

1

Some cables do not contain the Select Standby to TSET wrap. In these cables, DTE Clock wraps to RSET

 

 

DCE and TSET.

EIA 232 advanced PCI communications cable

Table 59. EIA 232 advanced PCI communications cable

 

Adapter connector pin

 

Signal designation

number

DCE connector pin number

 

 

 

Transmitted data (TD)

13

2

 

 

 

Received data (RD)

6

3

 

 

 

Request to send (RTS)

2

4

 

 

 

Ready for sending (CTS)

33

5

 

 

 

Data set ready (DSR)

15

6

 

 

 

Signal Ground (SGND)

7,10,27

7

 

 

 

Received line signal (carrier) detector (CD)

20

8

 

 

 

Chapter 9. System Architecture and Configuration 253

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IBM SY44-5902-05 manual Stage 1 V.24/X.21bis cable wrap connector wiring, EIA 232 advanced PCI communications cable