![ShinewayTech DTA-SDH/155 Operating Manual Download Page 16](http://html1.mh-extra.com/html/shinewaytech/dta-sdh-155/dta-sdh-155_operating-manual_1257993016.webp)
DTA-SDH/155
Operating Manual
Shineway Technologies, Inc.
16
LTC: loss of external clock
RS: related to regenerator section
LOF: loss of frame alignment (6)
OOF: frame alignment (5)
EFAS: frame alignment (1-4)
TIM: trace identifying mark mismatch of regenerator section
B1: error code monitoring of regenerator section, and BIP8 check error
MS: related to mux section
AIS: remote alarm indication of mux section
RDI: remote defect indication of mux section
REI: remote error indication of mux section
B2: error code monitoring of mux section, and BIP-24 check error
AU: related to administration unit pointer
AIS: status indication signal of AU pointer alarm
LOP: loss of AU pointer
+PJE: positive AU pointer adjustment
-PJE: negative AU pointer adjustment
NDF: AU pointer new data symbol
INV: invalid AU pointer
NEW: new AU pointer
PAIS: AU pointer H1, H2 whole 1 alarm indication signal
HP: related to high-order path
UNQ: high-order path unloaded or monitoring unloaded with signal alarm
REI: remote error indication of high-order path
RDI: remote defect indication of high-order path
PLM: payload mismatch alarm of high-order path
TIM: trace identifying mark mismatch of high-order path
B3: error code monitoring of high-order path, and high-order B3 check error
TU: related to bypass pointer
AIS: TU pointer alarm indication signal
LOP: loss of TU pointer
+PJE: positive TU pointer adjustment
-PJE: negative TU pointer adjustment
NDF: new data flag of TU pointer
INV: invalid TU pointer
NEW: new TU pointer
PAIS: TU pointer H1, H2 whole 1 alarm indication signal
LP: related to low-order path
UNQ: low-order path unloaded or monitoring unloaded with signal alarm