IBM SY44-5902-05 manual High speed communications card and wrap connector wiring

Table 47. Single-port communications adapter card wrap connector (continued). This adapter wrap connector is also

used for the 25-pin D shells on the two port adapter cable.

Communications adapter			V.24-RS232 adapter
card wrap connector		Connector pin	card	X.21 adapter card	V.35 adapter card
9	to 11,17	9	DCERS	Not Used	CD
10	cable ID 2	10	CID 2	CID 2	CID 2
11 to 9,17		11	STBY	DCLK-A	CTS
12	cable ID 1	12	CID 1	CID 1	CID 1
13	cable ID 0	13	CID 0	CID 0	CID 0
14	to 21,22	14	Not Used	Not Used	DX-B
15	to 23	15	TCLK	IND-B	DSR
16	to 8,18	16	Not Used	Not Used	TX-A
17	to 9,11	17	RCLK	SET-A	RTS
18	to 8,16	18	WRAP	DCLK-B	DX-A
19	to 24,25	19	Not Used	Not Used	Not Used
20	to 6	20	DTR	CTL-A	Not Used
21	to 14,22	21	RLB	Not Used	RX-B
22	to 14,21	22	RI	Not Used	TX-B
23	to 15	23	RATE	CTL-B	DTR
24	to 19,25	24	DTE	Not Used	Not Used
25	to 19,24	25	TI	Not Used	Not Used

High speed communications card and wrap connector wiring

Table 48. High speed communications

Wrap connector pin to pin			Connector pin	Signal destination
4	to 5, 8		4	RTS A to CTS A, CD A
5	to 4		5	CTS A to RTS A
7	to 9, 43, 49, 50		7	SGND to CID 0, CID 1, CID2, CID 3
8	to 4		8	CD A to RTS A
9	to 7		9	CID 0 to SGND
10		to 12, 40	10	DTE clock A to RCLK A, TCLKA
11 to 14			11	RI to Remote loop back
12		to 10	12	RCLK A to DTE clock A
14		to 11	14	Remote loop back to RI
15		to 45	15	Local loop back to test indicator
18		to 37	18	TD A to RD A
20		to 34	20	RD B to TD B
21		to 22, 25	21	RTS B to CTS B
22		to 21	22	CTS B to RTS B
25		to 21	25	CD B to RTS B
27		to 29, 41	27	DTE clock B to RCLK B, TCLK B
28		to 47	28	RSGND to TSGND

Chapter 9. System Architecture and Configuration 245