COMSPHERE 3800 Series Modems
7-2 November 1996 3810-A2-GB30-20
Status Branch
To
access Status from the T
op-Level menu, make the
following selections:
F1
Idle : 19.2
Tlk/Data Status
F2
F3
Press the
key until Status appears. Select Status.
VF
VF displays the condition of the dial or leased-line
connection.
T
o access VF from the Status branch, make the
following selection:
F1
Status:
VF Identity
F2
F3
Select VF.
F1
Status : VF >
SigQual = Excelent
F2
F3
The modem’
s signal quality is displayed on the LCD’
s
bottom line. Press the
key to scroll and view the
receive signal level, signal-to-noise ratio, near end echo,
far end echo delay, and echo frequency offset.
SigQual
Signal Quality indicates the
condition of the VF line.
Possible values are
Excelent
(Excellent), Good, Fair, Poor, or
No Signal.
These values only
appear for V
.32bis and
V.32 modulations.
RevLev
Receive Signal Level indicates,
in decibels referenced to one
milliwatt (dBm), the actual
strength of the incoming signal.
Sig/Noise
Signal-to-Noise Ratio indicates,
in decibels, the receive signal
strength relative to noise on the
line.
NearEcho Near End Echo displays the
signal level, in decibels
referenced to one milliwatt
(dBm), of that portion of the
transmit signal which has been
echoed back by the local line
termination. This value only
appears for V
.32bis and
V.32 modulations.
FarEcho Far End Echo displays the
signal level, in decibels
referenced to one milliwatt
(dBm), of that portion of the
transmit signal which has been
echoed back by the remote line
termination. This value only
appears for V
.32bis and
V.32 modulations.
FarEchDel Far End Echo Delay indicates
the roundtrip delay in
milliseconds of the far end echo.
EchoFreqOff Echo Frequency Of
fset indicates
the frequency offset of the far
end echo.
T
o exit VF and remain in the Status Branch, press the
key
. To exit and return to the Top-Level menu, press
the
key
.
AT Command Equivalent
There
is no A
T command equivalent for VF status.