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4
VLBRV CHANNEL PARAMETERS CONFIGURATION
Once the correct aggregate rate is entered, VLBRV channel parameters are entered or modified as
required by the configuration. To select the VLBRV channel parameter display (if it is not already
on the screen), select the Configuration routine from the Main Menu. Next, select the appropriate
Modify/Display TDM Configuration routine from the Configuration Menu. Finally, select the
Modify Channel Parameters routine from the Modify/Display TDM Configuration menu.
A Current Parameters display similar to the one below is displayed in Figure 2.
CURRENT PARAMETERS FOR CHANNEL #01
CHN
CIRCUIT
#
TYPE
01
VLBRV
You select the VLBRV Channel Module parameters by specifying a channel number, entering the
circuit (channel) type, and it's appropriate parameters. The cursor position keys step you sequen-
tially through each applicable parameter, and the status line gives specific directions on the keys
required to make each selection. The system only allows you to pick parameters that are related to
the circuit type. For that reason, the channel parameters other than channel number and type are
only accessible after a circuit type is entered. When you select a circuit type, default values are dis-
played for the channel parameters associated with the circuit type. These default values are dis-
played and stored until you change them.
The name of the TDM configuration can also be changed during channel configuration. The follow-
ing paragraphs describe the requirements for selecting each parameter, including active keys and
circuit type restrictions.
CHN #
The CHN # (channel number) entry is made using the numeric keys or up and down cursor position
keys (entering A initiates the aggregate rate display as described above). The entry becomes valid
as soon as you use the cursor position key to move to another channel parameter. MEGAMUX
PLUS channels are numbered from 1 through 54, according to their position in the shelf.
CIRCUIT TYPE
The circuit type is determined by the type of channel equipment and MEGAMUX PLUS channel
card associated with the speci-fied channel number. The voice channel choice for this entry is: VL-
BRV. The selection is made by pressing the up or down cursor position keys until the correct type
is displayed and becomes valid when you use the cursor position keys to move to another channel
parameter.
036R660-E1
CIRCUIT
BAUD
NAME
RATE
TEST2
4.8K
FIGURE 2. CURRENT CHANNEL PARAMETERS
CONFIGURATION AM
T-R CLK
TID-IR OR
VF-DB-LEVEL
M/S
DATA STOP
___
___
0.0
I/F
TID
M
S
TYPE
MODE/DELAY
0.0
VC_1
___
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