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Chapter 3: Connecting to the Line
iSPAN Serial WAN Adapter Users Guide 21
3 RxD (Receive
Data)
R(A) (Receive
Data)
RXD(A) (Receive
Data)
In
4 RTS (Ready to
Send)
C(A)
(Command)
RTS (Ready to
Send)
Out
5 CTS (Clear to
Send)
I(A) (Indication) CTS (Clear to
Send)
In
6 DSR (Data Set
Ready)
DSR (Data Set
Ready)
In
7 GND (Ground) GND (Ground) GND (Ground) Common
8 DCD (Data
Carrier Detect)
DCD (Data
Carrier Ready)
In
9 S(B) (Receive
Clock)
RXC (B) (Receive
Clock)
In
10
11 X(B) (Transmit
Clock)
TXCout(B)
(Transmit
Clock—DTE)
Out
12 TXCin(B)
(Transmit
Clock—DCE)
In
13 I(B) (Indication) In
14 T(B) (Transmit
Data)
TXD(B)
(Transmit Data)
Out
15 TXCin
(Transmit
Clock—DCE)
TXCin(A)
(Transmit
Clock—DCE)
In
16 R(B) (Receive
Data)
RXD(B) (Receive
Data)
In
17 RxC (Receive
Clock)
S(A) (Receive
Clock)
RXC(A) (Receive
Clock)
In
Pin V.24 V.11 V.35 Direction