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DTA-SDH/155
Operating Manual
Shineway Technologies, Inc.
17
REI: remote error indication of low-order path
RDI: remote defect indication of low-order path
PLM: payload mismatch alarm of low-order path
TIM: trace identifying mark mismatch of low-order path
LOM: loss of multiframe
RFI: remote failure indication of low-order path
BIP-2: monitoring of error code of low-order path
Frm: related to frame
LOF: loss of frame alignment
RAI: remote alarm indication
CRCL: CRC loss
EFAS: frame error
ECRC: CRC error
REI: error code of remote block
MAIS: multiframe alarm indication
CASL: multiframe loss
MRAI: multiframe remote alarm indication
PATTERN: related to code pattern
SYNC: PRBS out-of-synchronism
AIS: PRBS whole 1
EBIT: PRBS with error code
SLIP: PRBS slide code
2.3.2. TCM Interface
For TCM interface, see Figure 2-20 as follows:
Figure 2-20
TCM LED Indication Interface
HP: high-order path
UNEQ: signal not equipped with alarm