Filter
Top Products
26 Installation Guide APC BC300 Series 40kW 208/450/480V UPS
990-1401
Installation
Figure 14 Monitoring Port Pin Assignment
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
Normally Open
Line Fail Signal
Normally Open
Low Battery Signal
Normally Closed
Line Fail Signal
Common
Chassis