Case Communications 8000 Series Guida di Installazione Pagina 26

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PIM2 Synchronous X.21 DTE
Part Number X890-605711
Interfaces 2 × 15-way D-type plug (male) DTE
Controls In Indication
Controls Out Control
Clock Signal Element Timing 'S'
Clock Source External
Clocking Speeds Up to 256000 baud
PIM2 Synchronous V.36 DTE
Part Number X890-605711
Interfaces 2 × 15-way D-type plug (male) DTE
Controls In DCD
Controls Out RTS, DTR*
Clocks RxC, TxC
Clocking Speeds Up to 256000 baud
Pin X.21 Signal Description V.36 Equivalent Signals*
1 FG Frame Ground
2 T(A) Transmit Data+ TxD(A)
3 C(A) Control+ RTS(A), DTR(A)
4 R(A) Receive Data+ RxD(A)
5 I(A) Indication+ DCD(A)
6 S(A) Clock+ RxC(A), TxC(A)
8 G Signal Ground SGND
9 T(B) Transmit Data – TxD(B)
10 C(B) Control – RTS(B), DTR(B)
11 R(B) Receive Data – RxD(B)
12 I(B) Indication – DCD(B)
13 S(B) Clock – RxC(B), TxC(B)
* using V.36 DCE cable of Figure C-7.
X870-300451 Issue 2 B-2 Rev.0
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