Zhone Technologies IMACS-200 - Manual (Page 84)

3-42 System Operation
Model No. Running Head Power Supply Redundancy System Configuration and Operation
feeds into the IMACS-200, the power supply fail alarm will be raised. Both the AC and DC
versions of the IMACS-200 can have backup power feeds and supplies, if so ordered. Upon
failure, the ALARM LED on the faceplate of the IMACS-200 will be turned on and a system
alarm will be generated.