Input mode
Follows
The configuration options available in the setup area of the screen are
described below. The status information is described in a separate section.
Select the mode of input.
Terminate
Used when the instrument is used as a tester and the receiver is the only
device connected to the line. The input impedance is nominal.
Monitor
Used when connecting to protected monitoring points. The input
impedance is nominal.
5.6.2.2 DS3 Signal Setup
Touching the navigation area button which represents the receiver's DS3
layer will display the screen shown below.
To make the currently selected receiver follow either the transmitter or Port
1 receiver (i.e. copy its settings), touch the drop-down menu in the
navigation area and select the relevant value. The receiver settings continue
to follow the change of either the transmitter or Port 1 receiver. The default
setting is None. Note that the Port 1 receiver cannot follow the Port 2
receiver.
PCM frame
Use the PCM frame radio buttons to enable (On) or disable (Off) the status
of the PCM frame.
Frame type
Use the Frame type radio buttons to specify either an M13 frame or a C-
Bit frame.
Pattern type
Select the requested pattern. Available patterns are the same as the
transmitter setup. Refer to Pattern type in "E1 Setup and Status".
Touch 'Normal' or 'Inverse' pattern type.
Touching the 'ANSI standard' button will apply ANSI/IEEE 1007 recommended
Pattern type for 45 Mbit data rates (PRBS 23 Inverse).
User pattern
User pattern field is enabled if Pattern type is set to User [32] bit or User
[2084] bit. Touch the User pattern field and use the launched Pattern
Editor dialog box to define the user pattern. Depending on the selected
pattern type, different user pattern setup options will be available.
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