How can I determine the unique PVC based on the DLCI


The data link connection identifier (DLCI) and the interface number determine the unique permanent virtual channel (PVC).

Other related questions:
Can I configure PVC groups on MFR interfaces
No. Multilink frame relay (MFR) interfaces do not support permanent virtual circuit (PVC) groups.

How to find a corresponding PVC by using DLCI
A PVC can be uniquely determined by a DLCI number and an interface number.

Method used to determine a fault point based on a PS alarm
PS alarms vary according to protection schemes. Determine the fault point and handle the fault based on the related alarm handling procedure.

Server buzzer alarm sound
Currently server buzzer alarm sounds only make sense for the RH2488 V2: Power supply alarm: one long beep. A long beep usually means that a PSU fault occurs, or that two PSUs are present but only one has AC power input. Please check the power supply status and whether the power cable is connected properly. Backplane alarm: one long beep. If this sound is made, check the power supply and signal. RAID controller card alarm: beep once per second. This alarm usually means a RAID controller card or hard disk exception, for example, hard disk fault, RAID disk offline, RAID degrade, or RAID rebuild.

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