Routine Operation
3-42
SCM4000
Operator’s Guide/Tech Ref Manual
21.
Press the
SEL
key or Right arrow key to select the
Rate:
option and observe the
>
cursor changes to a
!
cursor.
22.
Press the Up, Down, Left, or Right arrow keys, as
required, to select the bit rate required. The bit rate
range is from 0.0 to 90.0Mb/s (12.5Mb/s is
recommended).
23.
Press the
SEL
key and observe the
!
cursor changes
to a
>
cursor.
24.
Press the
ESC
key repeatedly until the Main Screen is
displayed.
Note
Changes to Presets are not automatically saved.
Changes to Preset settings will be lost if the Preset
is recalled before Preset setting changes have
been saved.
To save Preset setting changes, go to step 25. To
recall Ethernet bit rate Preset settings established
prior to performing this procedure without saving
the latest changes, go to step 26.
25.
To save Preset setting changes, perform
. Procedure is complete.
26.
To recall Preset settings without saving the latest
changes, perform
“Recall Preset Settings” on page 3-
.
Monitor/Change Ethernet LIU Bit Rate
The procedure required to monitor or change the Ethernet Line
Interface Unit (LIU) bit rate to
10MB
or
Auto
(
Auto
recommended) is contained in the following steps. This
procedure may only be performed for SCM4000 Data Channel 1
thru 4 options that have been factory set for Eth 1 or Eth 2.
1.
Verify the SCM4000 is powered up.
2.
Verify the Main Screen is displayed.
If the Main Screen is not displayed, press the
ESC
key
repeatedly until the Main Screen is displayed.
Figure 3-88: Main Screen Menu - Typical
3.
Press the Down arrow key, as required, to move the
>>
cursor to the
System Menu
option.
4.
Press the
SEL
key or Right arrow key and observe the
System Menu
Figure 3-89: System Menu - Typical
5.
Press the Up or Down arrow keys, as required, to
move the
>>
cursor to the
Preset Menu
option.
6.
Press the
SEL
or Right arrow key to select the
Preset
Menu
option.
SCM4000
>> Modulator
System Menu
System Menu
>> Preset Menu
Active Errors
Error Log
Summary of Contents for SCM4000
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