Applique
LED
Indicators
X.21
Dual-Mode Applique LED
Indicators
On
the
X.21
serial
applique
the
14
LEDs
which
are positioned
as
shown
in
Figure
B-17
indicate
the
status
of
the
interface
Use
the green
LEDs
toward
the
end
of the
row
for
orientation
The
LEDs
are
located beneath
the connector
The
LEDs
are
listed
in
Table
B-9
as
viewed from
left to right
when
facing the
front
of the applique
Direction
Color
Mnemonic
Function
DCE
DIE
Red
RxD
Receive
Data
Red
RxC
Receive
Clock
Red
TxD
Transmit Data
Red
DCE CLK
Internal
Clock
Red
BDSR
Data
Set
Ready
Red
CONTROL
Request
To Send
Red
iNDICATE
Indicate
Red
BCTS
Clear
To Send
Red
LOOP
Loopback1
Green
5V
5V
present
On
if
OK
Green
12V
12V
present
On
if
OK
Green
12V
12V
present
On
if
OK
Green
OK
Applique
test
OK
On
if
OK
Red
DCE
DCE
Mode
On
for
DCE
Loopback
is
available
in
DCE
mode
only
Red
RxD
LED
Red
DCE
LED
Figure
8-17
X.21
Applique
LED
Indicators
Table
B-9
X.21
Applique
LED
Indicators
Reading
LED
Indicators
B-15
Содержание AGS+
Страница 1: ...CISCO SYSTEMS ...
Страница 11: ...AGS Hardware Installation and Maintenance ...
Страница 17: ...Document Conventions xvi AGS Hardware Installation and Maintenance ...
Страница 27: ...Chassis Power Budget 1 10 AGS Hardware Installation and Maintenance ...
Страница 39: ...Chassis Components 2 12 AGS Hardware Installation and Maintenance ...
Страница 57: ...System Bootstrap Diagnostics 4 10 AGS Hardware Installation and Maintenance ...
Страница 83: ...Card Illustrations 5 26 AGS Hardware Installation and Maintenance ...
Страница 105: ...FOOl Optical Bypass Switch Pinout A 22 AGS Hardware Installation and Maintenance ...
Страница 121: ...Applique LED Indicators B lB AGS Hardware Installation and Maintenance ...
Страница 125: ...C 4 ACS Hardware Installation and Maintenance ...
Страница 127: ...Compliance Provisions D 2 AGS Hardware Installation and Maintenance ...
Страница 129: ...E 2 AGS Hardware Installation and Maintenance ...