
PDH Tabs
SONET/SDH Application
309
E1/2M TX
Spare Bits
Note:
Spare Bits
are not available when
Framing
is set to
Unframed
.
Press the individual drop list and select the value for each spare bit.
³
S
i0
is located in the bit 1 of the frame containing the frame alignment
signal (FAS). S
i0
is reserved for national use and should be set to 1
when not used. Choices are
0
and
1
. The default setting is
1
.
³
S
i1
is located in the bit 1 of the frame not containing the frame
alignment signal (FAS). S
i1
is reserved for national use and should be
set to 1 when not used. Choices are
0
and
1
. The default setting is
1
.
³
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. S
a4
to S
a8
is reserved for national use and
should be set to 1 when not used. Choices are
0
and
1
or
0000
to
1111
depending on the selected framing. The default setting is
1
or
1111
depending on the selected framing.
³
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. TS16 Frame 0 Bit 5, 7, 8 are reserved for
national use and should be set to 1 when not used. Choices are
000
to
111
. The default setting is
111
.
Summary of Contents for FTB-8100 Series
Page 1: ...User Guide FTB 8100 Series for FTB 200 SONET SDH Application...
Page 18: ......
Page 22: ......
Page 24: ......
Page 94: ......
Page 108: ......
Page 178: ......
Page 224: ......
Page 260: ......
Page 312: ......
Page 352: ......
Page 382: ......
Page 412: ......
Page 490: ......
Page 500: ......