IBM SY44-5902-05 manual EIA 232 advanced wrap connector wiring

Table 59. EIA 232 advanced PCI communications cable (continued)

	Adapter connector pin
Signal designation	number	DCE connector pin number
Transmitter Clock (TCLK)	29	15
Reciver Clock (RCLK)	26	17
Data terminal ready (DTR)	4	20
Ring Indicate (RI)	31	22

EIA 232 advanced wrap connector wiring

Table 60. EIA 232 advanced wrap connector wiring

Signal destination	Wrap connector pin to pin
TD to RD, RI	2 to 3,22
RD to TD	3 to 2
RTS to CTS, TCLK	4 to 5,15
CTS to RTS	5 to 4
DSR to DTR	6 to 20
CD to DTR	8 to 20
TCLK to RTS	15 to 4
RCLK to DTR	17 to 20
DTR to CD, DSR, RCLK	20 to 17,8,6
RI to TD	22 to 2

Stage 1 EIA-232/X.21bis communications adapter cable

Table 61. EIA-232/X.21bis communications adapter cable

	Interchange circuit	Adapter connector pin	DCE connector pin
Signal designation	number	number	number
Transmitted data	103	2	2
Received data	104	3	3
Request to send (RTS)	105	4	4
Ready for sending (CTS)	106	5	5
Data set ready (DSR)	107	6	6
Data terminal ready/connect data set	108/2 108/1	24	20
to line
Received line signal (carrier) detector	109	8	8
Data signal rate selector	111	43	23
Transmitter signal element timing	113	11	24
(DTE)
Transmitter signal element timing	114	19	15
(DCE)
Receiver signal element timing	115	21	17
(DCE)
Select standby2	116	29	11

254Service Functions V5R2