3com 3013 (3C13613) Manuale Utente

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56
C
HAPTER
 A: O
PTIONAL
 C
ABLE
 S
PECIFICATIONS
27
RxD/TxD
<—
2
TxD
2
RTS/CTS
—>
5
CTS
31
CTS/RTS
<—
4
RTS
26
DTR/DSR
—>
6
DSR
1
LL/DCD
—>
8
DCD
4
TxCE/TxC
—>
15
TxC
29
NIL/RxC
—>
17
RxC
30
DCD/LL
<—
18
LTST
6
DSR/DTR
<—
20
DTR
28
RxC/TxCE
<—
24
TxCE
50
GND
-
1
Shield_GND
7
GND
-
7
Circuit_GND
Table 32   V.24 (EIA/TIA-232) DCE Cable Pinouts (continued)
DB-50
Signal
Signal Direction DB-25
Signal