IBM VERSION 5 SY44-5902-05 User Manual
Page 270
Table 63. EIA-232/X.21bis cable wrap connector wiring (continued)
Signal designation
Wrap connector pin to pin
Data signal rate selector to carrier detector
23 to 8
DTE clock to RSET DCE, (TSET)
1
24 to 17, (15)
Select standby to TSET
1
11 to 15
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.36/EIA 449 high speed communications adapter cable
Table 64. V.36/EIA 449 high speed communications adapter cable
Signal designation
Interchange circuit
number
Adapter connector pin
number
DCE connector pin
number
Transmitted data A, B
103
18,34
4,22
Received data A, B
104
37,20
6,24
Request to send (RTS) A, B
105
4,21
7,25
Ready for sending (CTS) A, B
106
5,22
9,27
Data set ready (DSR) A, B
107
38,39
11,29
Data terminal ready (DTR) A, B
108
36,35
12,30
Received line signal (carrier) detector
(RLSD) A, B
109
8,25
13,31
Transmitter signal element timing
(DTE) A, B
113
10,27
17,35
Transmitter signal element timing
(DCE) A, B
114
40,41
5,23
Receiver signal element timing A, B
115
12,29
8,26
Calling indicator (CI)
125
11
15
Local loop back (LLB)
141
15
10
Remote loop back (RLB)
140
14
14
Test indicate (TI)
142
45
18
Receive circuit ground
28
20
Send circuit ground
47
37
Note:
Cable ID 0, 2, 3 is connected to common return pin 7 only at the DTE connector end and is not connected at
the DCE end.
V.36/EIA 449 high speed communications adapter cable wrap
connector wiring
Table 65. V.36/EIA 449 high speed communications adapter cable wrap connector wiring
Signal designation
Wrap connector pin to pin
Transmit data A to receive data A
4 to 6
Transmit data B to receive data B
22 to 24
DTR A to DSR A
12 to 11
256
Service Functions V5R2