DS2182AQN View Datasheet(PDF) - Maxim Integrated

Part Name

Description

Manufacturer

DS2182AQN

T1 Line Monitor Chip

Maxim Integrated 

RSR1: Receive Status Register 1

MSB

8ZD

16ZD

RCL

RYEL

DS2182A T1 Line Monitor Chip

RLOS

B8ZSD

RBL

LSB

COFA

NAME

8ZD

16ZD

RCL

RYEL

POSITION

RSR1.7

RSR1.6

RSR1.5

RSR1.4

FUNCTION

8 Zero Detect. Set when a string of eight consecutive 0’s has been

received at RPOS and RNEG.

16 Zero Detect. Set when a string of 16 consecutive 0’s has been

received at RPOS and RNEG.

Receive Carrier Loss. Set when a string of 192 consecutive 0’s has

been received at RPOS and RNEG. Cleared when 14 or more 1’s out of

112 possible bit positions are received.

Receive Yellow Alarm. Set when yellow alarm is detected. The format

of yellow alarm is determined by RCR2.3 and RCR2.4.

RLOS

B8ZSD

RBL

COFA

RSR1.3

RSR1.2

RSR1.1

RSR1.0

Receive Loss-of-Sync. Set when resync is in progress.

B8ZS Codeword Detect. Set when a B8ZS codeword is received at

RPOS and RNEG independent of whether the B8ZS mode is enabled or

not (RCR2.2).

Receive Blue Alarm. Set when over a 3ms window, five or fewer 0’s are

received. Cleared when over a 3ms window, six or more 0’s are

received.

Change-of-Frame Alignment. Set when the last resync resulted in a

change-of-frame or multiframe alignment.

Note: Alarm 8ZD and 16ZD are cleared on the next occurrence of a 1 at RPOS and RNEG.

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