SNMP Traps
C-3
9161-A2-GH30-30 April 1998

Interface Possible Cause

linkUp/Down

Variable-Bindings

Synchronous
Data Ports
(Supported by the
media-specific
RS232-Like MIB.)
ifIndex (RFC 1573)
ifAdminStatus
(RFC 1573)
ifOperStatus (RFC 1573)
ifType (RFC 1573)
linkDown – One or more
alarm conditions are active on
the port.
Alarm conditions include:
DTR Off1
RTS Off1
Out of Frame (OOF) for the
Embedded Data Link
(EDL)2
Excessive Error Rate for
the Embedded Data Link
(EDL)2
linkUp – No alarms on the
port.
OCU Ports
(Represented by an
entry in the MIB-II
interfaces table.)
ifIndex (RFC 1573)
ifAdminStatus
(RFC 1573)
ifOperStatus (RFC 1573)
ifType (RFC 1573)
linkDown – One or more
alarm conditions are active on
the interface.
Alarm conditions include:
Loss of Signal
Abnormal Station Code
64KCC Loop OOF
DDS Net Failure3
Loss of Loop Timing
linkUp – No alarms on the
port.
1The DTR alarm condition will only generate a linkUp/linkDown trap if the DTE
supports the DTR lead state (Send All Ones on Data Port Not Ready configuration
option on the
Main Menu

Configuration

Sync Data Ports

branch).
2The OOF and EER alarm condition will only generate a linkUp/linkDown trap if the
EDL is enabled on that port (Embedded Data Link configuration option on the
Main Menu

Configuration

Sync Data Ports

branch).
3

xxxxxx

is the failure code