Input mode
Touching the 'ITU standard' button will apply ITU-T O.150 recommended
Pattern type for 34 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.
The length can be any length from 1 bit to 32 bits or from 1 bit to 2048 bits.
5.5.2 Receiver Setup
5.5.2.1 Physical Setup
When the receiver is set up with only an E3 interface, selecting the Rx button
in the navigation area will launch the following screen.
For the switching method between PDH Rx and DSn Rx, refer to Physical
Setup in "E1 Setup and Status". Touch E3 radio button. Touching Off radio
button disables the receiver.
This screen allows you to make the physical setup of the PDH receiver in E3
mode. It can also be used to inspect the current status of the selected port.
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.
5.5.2.2 E3 Signal Setup
Touching the navigation area button which represents the receiver's E3
layer will display the screen shown below.
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