CDM-750 Advanced High-Speed Trunking Modem
Revision 2
Front Panel Operation
MN-CDM750
5–20
5.2.2.1.5 (CONFIG) INTF: Optical
If
the
CONFIG:
Intf
menu
displays
NONE,
then
the
optional
Optical
Gigabit
Ethernet
Interface
SFP
is
either
NOT
plugged
into
the
J7
|
OPTICAL
socket,
or
the
Optical
Gigabit
Ethernet
Interface
FAST
Access
Code
is
not
activated.
See
Sect.
3.2.3.2
for
further
information
about
this
optional
interface.
5.2.2.2 CONFIG: Tx
Tx: IF Freq Power Frame Mod Data Pilot
Data 130706.252kbps, 030000.000ksps (
)
On
the
top
line,
use
the
W
X
arrow
keys
to
select
IF
,
Freq
,
Power
,
Frame
,
Mod
,
Dat
a,
or
Pilot
,
and
then
press
ENTER
.
The
read
‐
only
bottom
line
displays
the
current
operating
values.
5.2.2.2.1 (CONFIG) Tx: IF
Tx: Carrier=On (Off,On)
SpectrumInvert=Off Tx
α
=.35(.35,.25)(
v
)
First,
use
the
W
X
arrow
keys
to
select
Tx
Carrier
,
Spectrum
Invert
,
or
Tx
α
.
On
the
top
line,
use
the
ST
arrow
keys
to
set
the
Tx
Carrier
as
On
or
Off
.
On
the
bottom
line:
•
Use
the
ST
arrow
keys
to
set
the
Spectrum
Invert
as
On
or
Off
.
When
the
CDM
‐
750
is
in
CnC
(Carrier
‐
in
‐
Carrier)
mode,
the
modem
itself
will
determine
the
Tx
spectral
inversion.
The
operator
will
not
have
control
of
spectral
inversion
selection
while
CnC
mode
is
ON
and
any
changes
to
this
field
will
be
rejected.
•
Use
the
ST
arrow
keys
to
set
the
Tx
α
(Tx
Rolloff).
Valid
selections
are
.20
(20%),
.25
(25%)
or
.35
(35%)
–
the
default
Tx
α
setting
is
.20
(20%).
Press
ENTER
when
done.
5.2.2.2.2 (CONFIG) Tx: Freq (Frequency)
Tx-IF Frequency: 0050.0000 MHz
(
v
)
To
configure
the
Tx
‐
IF
Frequency:
First,
use
the
W
X
arrow
keys
to
select
a
digit
to
edit,
and
then
use
the
ST
arrow
keys
to
change
that
digit.
Note
the
following:
Summary of Contents for CDM-750
Page 76: ...CDM 750 Advanced High Speed Trunking Modem Revision 2 Updating Firmware MN CDM750 4 12 Notes...
Page 224: ...CDM 750 Advanced High Speed Trunking Modem Revision 2 Appendix A MN CDM750 A 4 Notes...
Page 234: ...CDM 750 Advanced High Speed Trunking Modem Revision 2 Appendix B MN CDM750 B 10 Notes...
Page 256: ...CDM 750 Advanced High Speed Trunking Modem Revision 2 Appendix C MN CDM750 C 22 Notes...
Page 280: ...CDM 750 Advanced High Speed Trunking Modem Revision 2 Appendix D MN CDM750 D 24 Notes...
Page 300: ...2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 333 2200 PHONE 480 333 2161 FAX...