MT9075B datasheet(51/78 Pages) MITEL

51 / 78 page

Preliminary Information

MT9075B

Bit

Name

Functional Description

7 - 0

EFAS7

EFAS0

Errored FAS Counter. An 8 bit

counter that is incremented once for

every

receive

frame

alignment

signal that contains one or more

errors.

Table 60 - Errored Frame Alignment Signal

Counter (Page 04H, Address 1AH)

Bit

Name

Functional Description

RAI

Remote Alarm Indication. This bit

is set to one in the event of receipt

of a remote alarm, i.e. A(RAI) = 1. It

is cleared when the register is read.

AIS

Alarm Indication Signal. This bit is

set to one in the event of receipt of

an all ones alarm. It is cleared when

the register is read.

AIS16

AIS Time Slot 16 Alarm. This bit is

set to one in the event of receipt of

an all ones alarm in the time slot 16.

It is cleared when the register is

read.

LOS

Loss of Signal. This bit is set to

one in the event of loss of received

signal.

cleared

when

the

AUXP

Auxiliary Alarm. This bit is set to

one in the event of receipt of the

auxiliary alarm pattern. It is cleared

when the register is read.

MFALM

Multiframe Alarm. This bit is set to

one in the event of receipt of a

multiframe alarm. It is cleared when

the register is read.

RSLIP

Received Slip. This bit is set to one

in the event of receive elastic buffer

slip. It is cleared when the register is

read.

- - -

Unused.

Table 61 - Alarm Reporting Latch

(Page 04H, Address 1BH)

Bit

Name

Functional Description

7 - 0

BPV15

BPV8

BPV Counter. The most significant

eight bits of a 16 bit counter that is

incremented once for every bipolar

violation error received.

Table 62 - Most Signiﬁcant Bits of the BPV

Counter (Page 04H, Address 1CH)

Bit

Name

Functional Description

7 - 0

BPV7

BPV0

BPV Counter. The least significant

eight bits of a 16 bit counter that is

incremented once for every bipolar

violation error received.

Table 63 - Least Signiﬁcant Bits of the PBV

Counter (Page 04H, Address 1DH)

Bit

Name

Functional Description

7 - 2

- - -

Unused

1 - 0

CC9-

CC8

CRC-4 Error Counter. The most

significant eight bits of the CRC-4

error counter.

Table 64 - CRC-4 Error Counter

(Page 04H, Address 1EH)

Bit

Name

Functional Description

7 - 0

CC7-

CC0

CRC-4 Error Counter. The least

significant eight bits of the CRC-4

error counter.

Table 65 - CRC-4 Error Counter

(Page 04H, Address 1FH)

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