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Server Alarms - Avaya Support

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Communication Manager Maintenance Object Repair Procedures<br />

Figure 43: AC Power Distribution in Multicarrier Cabinets<br />

Power Backup<br />

"C" Position<br />

Carrier<br />

"A" Position<br />

Carrier<br />

"F" Position<br />

2<br />

Fan Unit<br />

"E" Position<br />

Carrier<br />

Power<br />

Distribution 3<br />

Unit<br />

If AC power fails, three 48-V DC batteries power the system for:<br />

● 15 seconds in a PN cabinet<br />

● 10 minutes in the expansion control carrier in the “A” position of a PN cabinet<br />

Uninterruptible Power Supply<br />

"B" Position<br />

Carrier<br />

"D" Position<br />

Carrier<br />

Battery<br />

Charger<br />

(Optional)<br />

mcc4_g3 RBP 041696<br />

An external UPS provides a longer backup time than holdover batteries and can replace the<br />

batteries and battery charger. The unit connects from the AC power source to a cabinet’s AC<br />

power cord. If AC power fails, the unit supplies its own AC power to the cabinet.<br />

630 Maintenance <strong>Alarms</strong> for <strong>Avaya</strong> Communication Manager, Media Gateways and <strong>Server</strong>s

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