5 Maintenance
This chapter explains Acme Packet 4900 hardware maintenance procedures.
Although several user-replaceable components of the Acme Packet 4900 are hot-swappable, some limited Acme Packet 4900 maintenance procedures require that you shut down the system.
Examples of maintenance procedures which require you to shut down the
unit include:
- Removing the unit from the equipment rack for any reason
- Removing the cover from the chassis
- Replacing transcoder DSP modules
- Replacing the T1/E1 TDM card.
General caveats for Acme Packet 4900
maintenance:
- Always observe correct ESD procedures.
- Before you start any maintenance procedure which includes parts replacement, make sure you have the correct part on-hand. Any user-replaceable components may be ordered in advance from Oracle.
- Oracle recommends stocking replacement parts for:
- Air filters
- Fans
- Power supplies
- Optical transceivers
- TCM modules