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NOT E
Tx/Rx Parameters:
Tx
Rx
Line Rate
Line Rate
Line
Line
Impedance
Impedance
Line Code
Line Code
Clock
Termination
Source
Frame Type Frame Type
Timeslot
Timeslot
Test Pattern Test Pattern
Setting the Interfaces
Setting Transmit and Receive Interfaces
In
mode, timeslots not selected are passed through unmodified. When
Overwrite
Timeslot: None is selected, changes to the frame structure are permitted without
changing any of the timeslot data.
3 Now choose the rest of the Tx and/or Rx Interface parameters, in turn. A menu of
the parameters is shown in the table to the left.
4 Choose the Line Rate required.
If Option 002, Co-directional Interface, is fitted
5 Choose the Line Impedance required. If Line Rate
chosen, only
G703 (120Ω)
6 Choose the Line Code. The Line Code is set to co-directional if Line Rate
is chosen.
64 kb/s
7 Choose the Clock Source required. If
complying with ITU-T G.703 Section 10 (Reference 1) must be connected to the
75Ω EXT CLOCK IN port, even if Line Rate
8 If Line Rate
64 kb/s
9 If Line Rate
2 Mb/s
10 If any Frame Structure other than
Timeslots.
Use
and
,
Select/Delete
Select/Delete All
timeslots.
Press
to action your edits or press
ENTER
11 Choose a test PRBS/Word Pattern or a test VF Tone. The Tx and Rx test patterns
are coupled. A change on one will occur on the other except when
as the Receive pattern.
If
is chosen as the Receive pattern then bit error measurements are
Live
disabled.
If
is chosen use
User Word
user word value.
Press
to action your edits or press
ENTER
If
is chosen, see "Generating a VF Tone" on page 5-7.
Dial/VF Tone
4-4
))
is available.
External
is chosen choose the OCTET state.
is chosen, choose the Frame Structure.
Unframed
to select a single timeslot or use
,
User Word 8 BIT
is added to the menu.
64 kb/s
(Option 002 only) is
64 kb/s
is chosen, a 2 MHz clock
is
selected.E
64 kb/s
is selected, choose the test
,
,
Edit
and
to select single or multiple
to escape.
Cancel
Live
,
,
and
16 BIT
0
to escape.
Cancel
,
,
, and
is chosen
to set the
1
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