Table of Contents
Advertisement
RS-449
X.21
Adapter
to
A-tO
the pinouts
Figure
provides
of
for
particular
importance
15-Pin
X.21
DTE
cisco
RS-449
Female
37-Pin
Name
Pin
Dir
TXD
___
TXD
22
RXD
RXD
24
SCT
23
SCR
26
RTS
RTS
25
DCD
13----1
DSR
11
CTS
DCD
31
DSR
29
CIS
27
Ground
SIG
19
RCV
Common
20
SND
Common
37
A-b
15-Pin X.21
Figure
Cable
an X.21
for constructing
X.21
connections
in the
Cable
Adapter
DCE
X.21
Male
15-Pin
Name
Pin
TXDaIaA
TXDataB
RXDaIaA
RXDataB
11
ClockA
Clock
13
Control
10
Control
IndicateA
12
Indicate
Zero
Volts
RS-449
Cable
to
Adapter
RS449
cable This
to
adapter
U.K
and
Germany
Pinout
Cabling
Specifications
is
A-15
fl
Advertisement
Table of Contents
