MT9074AL Zarlink Semiconductor, Inc., MT9074AL Datasheet - Page 60
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MT9074AL
Manufacturer Part Number
MT9074AL
Description
T1/E1/J1 Single Chip Transceiver
Manufacturer
Zarlink Semiconductor, Inc.
Datasheet
1.MT9074AL.pdf
(124 pages)
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MT9074
60
7 - 0 PS7-0 This counter is incremented for each
7 - 0 PSM7-0 This counter is incremented for each
Bit
Bit
Table 57 - CRC Multiframe Counter for PRBS
Name
Name
Table 56 - PRBS Error Counter
(Page 4, Address 10H) (T1)
(Page 4, Address 11H) (T1)
PRBS error detected on any of the
receive channels connected to the
PRBS error detector.
received CRC multiframe. It is
cleared
Counter is written to.
Functional Description
Functional Description
when
the
PRBS
Error
7 - 0 FC7 - 0 Framing Bit Counter. This eight bit
Bit
Bit
7
6
5
4
3
2
1
0
D4YALML D4 Yellow Alarm Latch. This bit is
SECYELL Secondary
ESFYELL ESF Yellow Alarm Latch. This bit
D4Y48L
BLUEL
Name
LLEDL
LLDDL
Name
Table 58 - Alarm Reporting Latch
PDVL
Table 59 - Framing Bit Counter
(Page 4, Address 12H) (T1)
(Page 4, Address 13H) (T1)
counter will be incremented for each
error in the received framing pattern.
In ESF mode the ESF framing bits
are monitored. In D4 mode Fs bits
may be monitored as well as Ft bits.
See - Section 15.5 Framing Bit
Counter. The count is only active if
the MT9074 is in synchronization.
set if a D4 yellow alarm is detected
within a 600 millisecond integration
period. It is cleared after a read.
D4
milliseconds) Latch. This bit is
set if a D4 yellow alarm is detected
within a 48 millisecond integration
period. It is cleared after a read.
Latch. This bit is set if an alternate
D4 (S bit in 12 th frame) is
detected. It is cleared after a read.
is set upon receipt of a ESF yellow
alarm. It is cleared after a read.
Blue Alarm Latch. This bit is set
upon receipt of a blue alarm. It is
cleared after a read.
Pulse Density Violation Latch.
This bit is set upon receipt of a
pulse density violation. It is cleared
after a read.
Line Loopback Enable Detect
Latch. This bit is set upon receipt
of a line loopback enable code. It is
cleared after a read.
Line Loopback Disable Detect
Latch. This bit is set upon receipt
of a line loopback disable code. It
is cleared after a read.
Functional Description
Functional Description
Yellow
D4
Yellow
Data Sheet
Alarm
Alarm
(48
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