UPS Flashcards by t g

Q

UPS

Uninterruptible Power Supply

A

48 Primary Units at PATH
Eaton at all Comm Rooms
APC Units at 800 MHZ Equip Sites

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Q

UPS

Critical Services on UPS

A

• Radio
• SONET
• Signal Code
(Non-Path managed UPS for PAWNET Services).

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Q

Components of UPS

A

Rectifier/Charger
Inverter
Transfer Switch
Batteries

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Q

UPS

Signal Flow

A

• Online
MAINS > BATTERY CHARGER > BATTERY >INVERTER > LOAD

• Offline
MAINS >BATTERY CHARGER >BATTERY >DC INVERTER >TRANSFER SWITCH >LOAD

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