Specifications

7-8
Cisco ONS 15454 and Cisco ONS 15327 TL1 Command Guide, R3.3
May 2002
Chapter 7 TL1 Alarms and Errors
Alarms
7.1.15 NE-SREF
Represents the timing status of the NE
7.1.16 OCN
An OCN line on an OCN card
RING-MISMATCH MA/SA The Ring ID of the ONS 15454/ONS 15327that is reporting the
alarm does not match the Ring ID of another ONS node in the
BLSR.
SYSBOOT MA/SA New software is booting on the TCC+/XTC card.
Ta b l e 7- 1 4 N E
Table 7-15 NE-SREF
NE-SREF Alarm
Severity
(Active) Description
FRNGSYNC MA/SA The reporting ONS 15454/ONS 15327 is in free run
synchronization mode.
FSTSYNC MI/NSA A fast start synchronization. The ONS 15454/ ONS 15327 is
choosing a new timing reference.
HLDOVRSYNC MA/SA A loss of primary/secondary timing reference.
SYNCPRI MI/NSA A loss of the primary timing source (reference 1).
SYNCSEC MI/NSA A loss of the secondary timing source (reference 2).
SYNCTHIRD MI/NSA A loss of the third timing source (reference 3).
Ta b l e 7- 1 6 O C N
OCN Alarm
Severity
(Active) Description
APSB MI/NSA The line terminating equipment detects protection switching byte
failure in the incoming automatic protection switching (APS) signal
if an inconsistent APS byte or invalid code is detected.
APSCDFLTK MI/NSA A BLSR is not properly configured.
APSC-IMP MI/NSA Invalid K bytes.
APSCINCON MI/SA The SONET overhead contains K1/K2 APS bytes that notify
receiving equipment, such as the ONS 15454/ONS 15327, to switch
the SONET signal from a working to a protect path.
APSCM MA/SA The ONS 15454/ONS 15327 expects a working channel but receives
a protection channel.
APSCNMIS MA/SA The node ID contained in the K2 byte of the APS channel being
received is not present in the ring map.