APC 10-40KW 400V UPS manual External Connection

External Connection

Normally Open

Line Fail Signal

Normally Open

Low Battery Signal

Normally Closed

Line Fail Signal

Common

UPS Shut Down RS-232 Input or

Advanced Mode RS-232 Data RX In

Line Fail RS-232 Output or

Advanced Mode RS-232 Data TX Out

Unregulated

+24 VDC Output

Chassis

990-4050

30 Installation Guide APC Silcon 10-40kW 400V UPS