Paradyne ACCULINK 316x User Manual download pdf (Page 118)

ACCULINK 316x DSU/CSU

4-2 December 1996 3160-A2-GB22-10

Alarms

The 316x DSU/CSU monitors alarm conditions

occurring on either the network interface or the DSX-1

Drop/Insert port (DTE). For Model 3160/3164

DSU/CSUs, you can route these alarms to the MODEM

port, the COM port, or both. Each alarm is preceded by

the customer identification so you know which DSU/CSU

is having the problem. Possible alarm messages are as

follows, where x is the DTE or Network interface where

the condition exists.

For Model 3161 DSU/CSUs, these alarms activate the

alarm relay, if so configured.

• Continuous Loss Of Signal at the x Interface.

• Alarm Cleared. Loss of Signal condition at the x

Interface.

• Continuous Out Of Frame condition detected at

the x Interface.

• Alarm Clear. Out of Frame condition at the x

Interface.

• Alarm Indication Signal received at the x

Interface.

• Alarm Clear. Alarm Indication Signal at the x

Interface.

•

An Excessive Err

or Rate has been detected at

the Network Interface.

• Alarm Clear

ed. An Excessive Err

or Rate at the

Network Interface.

• Yellow alarm signal received at the x Interface.

• Alarm Cleared. Yellow alarm signal at the x

Interface.

If two alarm conditions are detected at once, the higher

priority alarm is reported. However, if an even higher

priority alarm is detected before the first alarm is cleared,

the later alarm is not reported.

Alarms remain active until the alarm condition is

cleared. Also, an alarm clear message is reported, unless

another alarm occurs right away

. In this case, the alarm

report takes precedence over the alarm clear message.

You can specify the number of minutes to wait between

successive dial out alarms and between retry attempts

after failed alarm dial outs. For more details, refer to the

Alarm Configuration Options section of Appendix C,

Configuration Options

SNMP Traps

If you are using SNMP to manage your 3160/3164

DSU/CSU, link-up and link-down traps are generated

when the state of an interface changes. A link-down trap

is generated when an interface transitions from an up state

to a down state. A link-up is generated when an interface

transitions from a down state to an up state. Table 4-1

defines traps for each interface.

Table 4-1

SNMP Trap per Interface

Interface

SNMP Trap Meaning

Network T1 Interface is up when no alarm conditions exist.

Interface is down when an alarm condition is active.

DSX-1 (DTE) Drop/Insert Interface is up when no alarm conditions exist and the inter-

face is enabled.

Interface is down when an alarm condition is active and the

interface is disabled.

Data Ports Interface is up when the port is assigned to a T1 interface

and both CTS and DSR are ON.

Interface is down when the port is unassigned or either

CTS or DSR are off.

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