Line buildout
Timing source
Follows
This screen allows you to make the physical setup of the PDH transmitter in
DS3 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 line build-out. The available values are:
High-0 ft
DSX-450 ft
Select the clock source.
Internal: Internal clock of the module
External: The clock provided from the Ext Clock connector
Received: The clock generated from the received signal
When External or Received is set, the right hand lamp indicates whether
clock is detected or not.
5.6.1.2 DS3 Signal Setup
Touching the navigation area button which represents the transmitter's DS3
layer will display the screen shown below.
To make the Port 2 transmitter follow the Port 1 transmitter (i.e. copy its
settings) when using Port 1 and Port 2, touch the drop-down menu in the
navigation area and select the Tx1. The Port 2 settings continue to follow the
Port 1 transmitter change. The default setting is None. Note that the Port 1
transmitter cannot follow the Port 2 transmitter.
PCM frame
Use the PCM frame radio buttons to enable (On) or disable (Off) insertion of
PCM frame in the transmitted signal.
Frame type
Use the Frame type radio buttons to specify either an M13 frame or a C-
Bit frame.
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