Test Functions
524
FTB-700G/800 Series
Spare Bits
Spare Bits
Note:
Spare Bits
are not available when the framing is set to
Unframed
.
From the
Test
menu, tap
Functions
, tap the
Spare Bits
tab.
TX
Tap a spare bits field to set its value.
Note:
All spare bits are reserved for national use and should be set to 1 when not
used.
E4
G.751 Bit 14, 15, 16
: Choices are
000
to
111
(default).
E3
G.751 Bit 12
: Choices are
0
and
1
(default).
E1
S
i0
is located in the bit 1 of the frame containing the frame
alignment signal (FAS). Choices are
0
and
1
(default).
S
i1
is located in the bit 1 of the frame not containing the frame
alignment signal (FAS). Choices are
0
and
1
(default).
S
a4
to
S
a8
are located in bit 4 to 8 of frame number 1, 3, 5, and 7 of
sub-multiframe 1 and 2. Choices are
0
and
1
(default) or
0000
to
1111
(default) depending on the selected framing.
TS16 Frame 0 Bit 5, 7, 8
are located in bit 5, 7, and 8 from Timeslot
16 of frame 0 of a E1 signal. Choices are
000
to
111
(default).
Содержание FTB-1
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Страница 59: ...Test Setup Test Applications NetBlazer 47 SONET SDH BERT For SDH BERT...
Страница 64: ...Test Setup Test Applications 52 FTB 700G 800 Series SONET SDH DSn PDH BERT For SDH...
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Страница 674: ...0 5 1 5 48 5 0 176 W d y K y K D...