Exfo FTB-800 Series for FTB-1 Manual de usuario Pagina 293

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Test Results
NetBlazer 283
Alarms/Errors
ERDI-PSD (Enhanced RDI - Path Server Defect) - SONET
ERDI-SD (Enhanced RDI - Server Defect) - SDH
RX: Bits 5, 6 and 7 of the G1 byte contain the “101” pattern in five
consecutive frames.
TX: Generates a “101” pattern for bits 5, 6 and 7 of the G1 byte.
Errors
B3 (BIP-8, Bit-Interleave Parity - 8 bits)
RX: Indicates a high order path parity error by performing an
even-parity check over all bits of the previous SPE (SONET) / VC-N
(SDH).
REI-P (Remote Error Indicator - Path) - SONET
HP-REI (HP - Remote Error Indicator) - SDH
RX: Bits 1 through 4 of the G1 byte contain one pattern from the
following binary range: “0001” through “1000” (1 to 8) (located in every
STS-1/STM-1 of an STS-n/STM-n signal.
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