參數(shù)資料
型號(hào): T7698
廠商: Lineage Power
英文描述: Quad T1/E1 Line Interface and Octal T1/E1 Monitor(四T1/E1線接口和八T1/E1監(jiān)控器)
中文描述: 四T1/E1線路接口和八路的T1/E1監(jiān)視器(四個(gè)T1/E1線接口和八T1/E1的監(jiān)控器)
文件頁數(shù): 86/112頁
文件大小: 1359K
代理商: T7698
Data Sheet
January 1999
T7698 Quad T1/E1 Line Interface and Octal T1/E1 Monitor
86
Lucent Technologies Inc.
Frame Monitors
(continued)
Frame Monitor Status/Counter Registers
(continued)
CRC Error Counter Register (Framer_SR12—Framer_SR13)
These registers contain the 16-bit count of CRC errors. CRC errors are not counted during loss of frame alignment
and loss of CEPT CRC multiframe alignment.
Table 75. CRC-4 Error Counter Register (Framer_SR12—Framer_SR13)
E-Bit Counter Register (Framer_SR14—Framer_SR15)
These registers contain the 16-bit count of received E bit = 0 events. E bits are not counted during loss of frame
alignment and loss of CRC-4 multiframe alignment.
Table 76. E-Bit Counter Register (Framer_SR14—Framer_SR15)
CRC-4 Errors at NT1 from NT2 Counter Registers (Framer_SR16—Framer_SR17)
These registers contain the 16-bit count of each occurrence of Sa6 code 001X, detected synchronously to the
CRC-4 multiframe.
Table 77. CRC-4 Errors at NT1 from NT2 Counter Registers (Framer_SR16—Framer_SR17)
E Bit at NT1 from NT2 Counter Register (Framer_SR18—Framer_SR19)
These registers contain the 16-bit count of each occurrence of Sa6 code 00X1, detected synchronously to the
CRC-4 multiframe.
Table 78. E Bit at NT1 from NT2 Counter Registers (Framer_SR18—Framer_SR19)
Byte
MSB
LSB
Bits
7—0
7—0
Description
CRC error counter (bit 15—bit 8).
CRC error counter (bit 7—bit 0).
Byte
MSB
LSB
Bits
7—0
7—0
Description
E-bit counter (bit 15—bit 8).
E-bit counter (bit 7—bit 0).
Byte
MSB
LSB
Bits
7—0
7—0
Description
CRC-4 errors at NT1 counter (bit 15—bit 8).
CRC-4 errors at NT1 counter (bit 7—bit 0).
Byte
MSB
LSB
Bits
7—0
7—0
Description
E bit at NT1 counter (bit 15—bit 8).
E bit at NT1 counter (bit 7—bit 0).
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