tfra08c13 ETC-unknow, tfra08c13 Datasheet - Page 81
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tfra08c13
Manufacturer Part Number
tfra08c13
Description
Tfra08c13 Octal T1/e1 Framer
Manufacturer
ETC-unknow
Datasheet
1.TFRA08C13.pdf
(188 pages)
- Current page: 81 of 188
- Download datasheet (2Mb)
Preliminary Data Sheet
October 2000
Lucent Technologies Inc.
Lucent Technologies Inc.
Alarms and Performance Monitoring
The pattern detector continuously monitors the received line for the particular pattern selected in register
FRM_PR70 bit 7—bit 4 (DPTRN). To establish detector lock to the pattern, 256 sequential bits must be detected.
Once the detector has locked onto the selected pattern, it will remain locked to the established alignment and count
all unexpected bits as single bit errors until register FRM_PR70 bit 2 (DBLKSEL) is set to 0.
To select a pattern or change the pattern to be detected, the following programming sequence must be followed:
DBLKSEL (register FRM_PR70 bit 2) is set to 0.
The new pattern to be detected is selected by setting register FRM_PR70 bit 7—bit 4 to the desired value.
DBLKSEL (register FRM_PR70 bit 2) is set to 1.
(continued)
TFRA08C13 OCTAL T1/E1 Framer
81
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