IBM VERSION 5 SY44-5902-05 User Manual
Page 259
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
card wrap connector
Connector pin
V.24-RS232 adapter
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