User Manual

Table Of Contents
Mission Valley Radio Repeater Equipment + UpgradeUser/Maintenance Handbook
APPENDIX C Battery Backup
Handbook No. 50-078021HBKM Page 84 of 85
C.5. BBU ALARMS & MONITORING SYSTEM
C.5.1 Description
The Battery Backup is fitted with a two alarm outputs. The Summary Alarm (Pins 1 & 2) has
normally closed, volt free, contacts which open when either the SMPSU output fails and/or the
battery charger output fails and/or the door to the Battery Backup is opened.