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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.)

H

ifIndex (RFC 1573)

H

ifAdminStatus
(RFC 1573)

H

ifOperStatus (RFC 1573)

H

i

fType (RFC 1573)

H

dsx1LineStatus
(RFC 1406)

H

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

H

linkUp – No alarms on the
interface.

Synchronous User
Data Port

(Supported by the
media-specific
RS232-Like MIB.)

H

ifIndex (RFC 1573)

H

ifAdminStatus
(RFC 1573)

H

ifOperStatus (RFC 1573)

H

i

fType (RFC 1573)

H

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).

H

linkUp – No alarms on the
interface.