Table of Contents
Advertisement
Dual-Mode Applique LED
X.21
On
the
the
status
located beneath
are
facing
RxD
Red
Figure
Table
Color
Red
Red
Red
Red
Red
Red
Red
Red
Red
Green
Green
Green
Green
Red
Loopback
Indicators
X.21
serial
applique
the
of
Use
the
interface
the green
the connector
the
front
of the applique
LED
8-17
LED
X.21
Applique
Indicators
B-9
LED
X.21
Applique
Indicators
Mnemonic
Function
RxD
Receive
Data
RxC
Receive
Clock
TxD
Transmit Data
DCE CLK
Clock
Internal
BDSR
Data
Set
Ready
CONTROL
To Send
Request
iNDICATE
Indicate
BCTS
To Send
Clear
LOOP
Loopback1
5V
5V
present
12V
12V
present
12V
12V
present
OK
Applique
test
DCE
DCE
Mode
DCE
mode
available
is
in
only
LEDs
which
14
are positioned
LEDs
toward
the
end
LEDs
The
are
listed
in
Table
Direction
DCE
DIE
OK
On
if
OK
On
if
OK
On
if
OK
OK
On
if
On
DCE
for
Applique
shown
B-17
as
in
Figure
The
of the
row
orientation
for
B-9
viewed from
left to right
as
DCE
Red
LED
LED
Reading
LED
Indicators
indicate
LEDs
when
B-15
Indicators
Advertisement
Table of Contents
