NEC N8800-149F User Manual page 41

Syslog function
When trouble or other events are detected on NEC Express5800/ft series, they will
be saved in syslog. You can also use alarm report software such as "Express Report
Service" for managing NEC Express5800/ft series. We recommend you to use
Express Report
Service for prompt action upon failure. For details, contact your sales agent.
Online repairing
You can repair or replace a failed module even if NEC Express5800/ft series is
operating.
ESX and media
Although ESX media used on NEC Express5800/ft series are specifically
processed for it, the standard operating methods of ESX are same as general.
General Description 2-5