Maintain uptime for critical infrastructure with the Liebert PSI5 1100 with NIC. This 1,100 VA, 990 W rack-mount UPS delivers line-interactive protection for 120 V environments where clean power and monitoring are essential. With SNMP capability, it fits naturally into managed IT environments that need visibility into battery status, load conditions, and power events. The PSI5 1100 is a strong choice for network closets, small server rooms, and edge locations that cannot afford unplanned downtime. Its rack form factor supports clean integration into standard infrastructure cabinets, while the 120 V design aligns with common North American deployments. For teams that need to protect switches, routers, security appliances, and compact servers, this model provides the right level of capacity without oversizing the power footprint. Compared with basic backup units, the PSI5 1100 adds the management layer that matters in professional environments. SNMP support helps operations teams monitor and respond faster, making it easier to maintain service continuity across distributed sites. It is a focused UPS for infrastructure that needs dependable protection, not excess complexity.