IBM SY44-5902-05 manual Stage 1 V.24/X.21bis cable wrap connector wiring

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