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COMSPHERE 3600 Series Data Service Units
5-44 March 1999 3610-A2-GB41-60
Transmitter Control
Transmitter Control (TxCtl) allows you to enable or
disable the DSU’s transmitter (DDS core), the DBM’s
transmitter (the DBM’s call setup and answering
capability), or to enable or disable individual ports when
operating in TDM or MCMP mode. You can also choose
which of the six ports is to have its circuit leads
monitored.
When the DSU transmitter is disabled, the following is
possible:
• When a DSU is disabled, it responds to tests.
Aborting a test clears the test but the unit remains
disabled.
• A DSU in test clears the test when a disable (or
enable) command is received.
• If an enable command is executed to a control from
the NMS or the local DCP, all disabled tributaries
are enabled; all tributaries in test are restored to
Data mode.
When the local DBM is disabled, the DBM does not
originate or answer any calls until enabled.
To access the Transmitter selection from the top-level
menu, make the following selections:
• Local (F1), or Remot (F2) and Address
• Ctrl
• TxCtl
The Transmitter Control submenu in Local mode
differs from the one in Remote mode. Assume Local mode
in the following discussion until directed otherwise.
When in Basic mode, the following selections appear:
F1
Change TxCtl of:
DSU DBM
F2
F3
When in TDM or MCMP mode, the following
selections appear:
F1
Change TxCtl of:
DSU DBM Ports
F2
F3
Select DSU for the DSU’s transmitter (DDS core),
select DBM for the DBM’s transmitter (the DBM’s call
setup and answering capability, or DBM core), or select
Ports for one (or more) of the TDM or MCMP circuit
card’s ports. For this example, select Ports. The following
appears:
F1
Port Number: 1
Enter
F2
F3
Use the F1 or F2 key to display the port number of
your choice. Port number selections are 1, 2, 3, 4, 5, or 6.
If the Port Speed configuration option for a port is
disabled, that port number will not display as a selection.
For example, if PrtSp for Port 3 is disabled, the port
number selections would be 1, 2, 4, 5, or 6.
Change Port 1 to Port 2 and disable the port for this
example.
F1
Port Number: 1
Enter
F2
F3
F1
Port Number: 2
Enter
F2
F3