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Appendix B. Pinouts
Data Port Interface
Pin
EIA/CCITT
1
Shield
2
BA (A)/103
3
BB (A)/104
4
CA (A) /105
5
CB (A) /106
6
CC (A)/107
7
AB /102
8
CF (A) /109
9
DD (B) /115
10
CF (B)/109
11
DA (B) /113
12
DB (B)/114
13
CB (B)/106
14
BA (B)/103
15
DB (A)/114
16
BB (B) /104
17
DD (A) /115
18
Not supported
19
CA (B)/105
20
Not supported
21
Not supported
22
CC (B)/107
23
Not supported
24
DA (A) /113
25
Not supported
72
Connector Type
Table 8-6. Nx56/64 Pin Assignments for EIA-530 and V.36
Description
Transmitted Data (TD-A)
Received Data A (RD-A)
Request to Send A (RTS-A)
Clear to Send A (CTS-A)
DCE Ready (DSR-A)
Signal Ground
Received Line Detector (DCD-A)
Receiver Element Timing (RC-B)
Received Line Detector (DCD-B)
External Clock B (ETC-B)
Transmit Element Timing (TC-B)
Clear to Send (CTS-B)
Transmitted Data (TD-B)
Transmit Element Timing (TC-A)
Received Data (RD-B)
Receiver Element Timing (RC-A)
Request to Send (RTS-B)
DCE Ready (DSR-B)
External Clock A (ETC-A)
ESU LT User Manual
25-pin female D connector
Source
_
DTE
DCE
DTE
DCE
DCE
DTE
DCE
DCE
DCE
DTE
DCE
DCE
DTE
DCE
DCE
DCE
DTE
DCE
DTE
61200410L2-1A
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