Paradyne 7112 User Manual Page 135

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Standards Compliance for SNMP Traps
D-3
7112-A2-GB20-20
March 1998
The following table describes the conditions that define linkUp and linkDown for
each interface:
Interface
linkUp/Down
Variable-Bindings
Possible Cause
Physical Sublayer – Represented by the entry in the MIB II Interfaces Table.
T1 network
(Supported by the
media-specific ds1
MIB.)
ifIndex (RFC 1573)
ifAdminStatus
(RFC 1573)
ifOperStatus (RFC 1573)
ifType (RFC 1573)
dsx1LineStatus
(RFC 1406)
linkDown – One or more
alarm conditions are active on
the interface.
Alarm conditions include:
Loss of Signal
Out of Frame
Alarm Indication Signal
Excessive Error Rate
Yellow Alarm
linkUp – No alarms on the
interface.
Synchronous User
Data Port
(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 interface.
Alarm conditions include:
DTR Off (only if the DTE
supports the DTR lead and
the port is configured to
monitor DTR.
RTS Off (only if the DTE
supports the RTS lead).
linkUp – No alarms on the
interface.
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