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Cyclades-PR4000
Appendix B - Hardware Specifications
160
Cross Cable
DB-25 Male DB-25 Male
Pin Pin
Signal
Signal
1
2
12
20
25
23
21
13
1
3
PGnd
RxD
14
TxD V.35 - (A)
RxClk
RxD V.35 - (A)
20
DTR
DTR
25
13
18
6
DSR
DSR
6
3
14
2
TxD
RxD
PGnd
TxD
12
TxD V.35 - (A)
TxClk DCE
TxClk_DTE (A)
4
15
4
RTS
RTS
24
RxClk
5
17
5
CTS
CTS
17
8
16
18
8
DCD
DCD
19
21
RxClk V.35 + (B)
TxClk DCE V.35 - (B)
RxClk V.35 - (A)
11
13
RxD V.35 + (B)
TxD V.35 + (B)
11
TxD V.35 + (B)
RxD V.35 + (B)
RxD V.35 - (A)
TxD V.35 - (A)
7
24
19
7
Gnd
Gnd
15
16
TxClk_DCE V.35 + (B)
RxClk V.35 + (B)
RxClk V.35 - (A)
TxClk DTE V.35 - (B)
TxClk DTE V.35 - (A)
TxClk_DCE V.35 - (A)
TxClk_DTE V.35 + (B)
TxClk DCE V.35 - (A)
TxClk_DCE
TxClk_DTE V.35 - (A)
Cross Cable
FIGURE B.5 PINOUT DIAGRAM OF THE CROSS CABLE - DB-25 MALE TO DB-25 MALE