tdat04622 ETC-unknow, tdat04622 Datasheet - Page 213

• Manufacturer Part Number: tdat04622
• Description: Tdat Sonet/sdh 155/622/2488 Mbits/s Data Interfaces
• Manufacturer: ETC-unknow

Data Sheet
May 2001
Agere Systems Inc.
Register Descriptions
OHP Registers
Table 84. Registers 0x043A—0x0451: OHP Signal Degrade BER Algorithm Parameters (R/W)
Reset default of registers = 0x0000.
Notes: OHP_SDNSSET[A—D][2:0] are located in registers 0x043B, 0x043D, 0x043F, and 0x0441, respectively.
044E—0451 15—0
043A, 043C,
043B, 043D,
0442—0445 15—0 OHP_SDBSET[A—D][15:0] Signal Degrade B Set. Number of monitoring
0446, 0448,
044A, 044C
0447, 0449,
044B, 044D
043E, 0440
043F, 0441
Address
(Hex)
OHP_SDNSCLEAR[A—D][2:0] are located in registers 0x0447, 0x0449, 0x044B, and 0x044D, respec-
tively.
15—0
14—7
15—0
14—7
Bit #
6—3
2—0
6—3
2—0
15
15
(continued)
OHP_SDNSSET[A—D][2:0] Signal Degrade Ns Set [2:0]. Number of
OHP_SDMSET[A—D][7:0] Signal Degrade M Set. Threshold of the num-
OHP_SDLSET[A—D][3:0] Signal Degrade L Set. Error threshold for
OHP_SDNSCLEAR
OHP_SDNSCLEAR
OHP_SDMCLEAR
OHP_SDBCLEAR
OHP_SDLCLEAR
OHP_SDNSSET
(continued)
[A—D][18:3]
[A—D][18:3]
[A—D][15:0]
[A—D][7:0]
[A—D][3:0]
[A—D][2:0]
Name
—
—
Signal Degrade Ns Set [18:3]. Number of
frames in a monitoring block for SD.
Reserved. This bit must be written to its reset
default value (0).
ber of bad monitoring blocks in an observation
interval. If the number of bad blocks is above
this threshold, then signal degrade (SD) is set.
determining if a monitoring block is bad.
frames in a monitoring block for SD.
blocks.
Signal Degrade Ns Clear [18:3]. Number of
frames in a monitoring block for SD.
Reserved. This bit must be written to its reset
default value (0).
Signal Degrade M Clear. Threshold of the
number of bad monitoring blocks in an observa-
tion interval. If the number of bad blocks is
below this threshold, then SD (signal degrade)
is cleared.
Signal Degrade L Clear. Error threshold for
determining if a monitoring block is bad.
Signal Degrade Ns Clear[2:0]. Number of
frames in a monitoring block for SD.
Signal Degrade B Clear. Number of monitoring
blocks.
Function
155/622/2488 Mbits/s Data Interface
TDAT042G5 SONET/SDH
Default
0x0000
0x0000
0x0000
0x0000
Reset
0000
0000
0000
0000
000
000
0x0
0x0
0
0
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