Advance Information
MT9074
Bit
Name
Functional Description
Bit
Name
Functional Description
3
BPVIM
Bipolar Violation Interrupt
Mask. When unmasked an
interrupt is initiated whenever a
5
OOFOM
Out Of Frame Counter
Overflow Interrupt Mask.
When unmasked an interrupt
is initiated whenever the out
of frame counter changes
state from changes from
FFH to 00H. If 1 - unmasked,
0 - masked.
bipolar
violation
(excluding
B8ZS encoding) is encountered.
If 1- unmasked, 0 - masked.
2
PRBSIM Psuedo
Random
Error
Bit
Interrupt
Sequence
Mask. When unmasked an
interrupt will be generated upon
detection of an error with a
channel selected for PRBS
testing. 1 - unmasked, 0 -
masked.
4
COFAOM
Change
Alignment
of
Frame
Counter
Overflow Interrupt Mask.
When unmasked an interrupt
is initiated whenever the
change of frame alignment
counter changes from FFH
to 00H. If 1 - unmasked, 0 -
masked.
1
PDVIM
Pulse
Density
Mask.
an
Violation
Interrupt
unmasked
When
interrupt
is
triggered whenever a sequence
of excessive consecutive zeros
is received on the line, or the
incoming pulse density is less
than N ones in a time frame of
8(N+1) where N = 1 to 23. If 1 -
unmasked, 0 - masked.
3
2
BPVOM
Bipolar Violation Counter
Overflow Interrupt Mask.
When unmasked an interrupt
is initiated whenever the
bipolar violation counter
changes from FFH to 00H. If
1- unmasked, 0 - masked.
0
- - -
Unused.
PRBSOM
Psuedo
Random
Bit
Sequence Error Counter
Overflow Interrupt Mask.
When unmasked an interrupt
will be generated whenever
the PRBS error counter
changes from FFH to 00H. If
1 - unmasked, 0 - masked.
Table 33 - Interrupt Mask Word One (T1)
(Page 1, Address 1CH
Bit
Name
Functional Description
7
FEOM
Framing Bit Error Counter
Overflow Interrupt Mask.
When unmasked an interrupt
is initiated whenever the
framing bit error counter
changes from FFH to 00H. If
1 - unmasked, 0 - masked.
1
PRBSMFOM Psuedo
Sequence
Random
Bit
Multiframe
Overflow
Counter
Interrupt
Mask.
When
unmasked an interrupt will
be generated whenever the
multiframe counter attached
to the PRBS error counter
overflows. FFH to 00H. If 1 -
unmasked, 0 - masked.
6
CRCOM
CRC-6
Error
Counter
Overflow Interrupt Mask.
When unmasked an interrupt
is initiated whenever the
CRC-6
error
counter
changes from FFH to 00H. If
1 - unmasked, 0 - masked.
0
MFOOFOM
Multiframes Out Of Sync
Overflow Interrupt Mask.
When unmasked an interrupt
will be generated when the
multiframes out of frame
counter changes from FFH
to 00H. If 1 - unmasked, 0 -
masked.
Table 34 - Interrupt Mask Word Two (T1)
(Page 1, Address 1DH)
Table 34 - Interrupt Mask Word Two (T1)
(Page 1, Address 1DH)
49
MITEL [ MITEL NETWORKS CORPORATION ]
