159

Connecting a APC USB UPS to either a PC USB or Serial Port	.	131
Cables	.	131

Smart-Custom Cable for SmartUPSes	. . . . . . . 131
Smart Signalling Cable for BackUPS CS Models	. . . . . . .	132
Voltage-Signalling Cable for ”dumb” UPSes . . .	. . . . . . .	134

Other APC Cables that apcupsd Supports . . . . . . . . . . . 136 Voltage Signalling Features Supported by Apcupsd for Various Cables 137

Voltage Signalling . . . . . . . . . . . . . . . . . . . . . . . . 137

Back-UPS Oﬃce 500 signals . . . . . . . . . . . . . . . . . . . 138 Analyses of APC Cables . . . . . . . . . . . . . . . . . . . . . 138

Win32 Implementation Restrictions for Simple UPSes . . . .	146
Internal Apcupsd Actions for Simple Cables . . . . . . . . . . 146
RS232 Wiring and Signal Conventions	148
Pin Assignment for the Serial Port (RS-232C),25-pin and 9-pin, Female End 148
Ioctl to RS232 Correspondence	149
Testing Serial-Line UPSes	149
Establishing Serial Port Connection	150
Using apctest on Serial-Line UPSses	153

Troubleshooting Serial Line communications . . . . . . . . . . . . . 155 Determining Which Voltage-Signaling Cable You Have . . . . 155

Once you have established serial communications . . . . . . . 155

Recalibrating the UPS Runtime . . . . . . . . . . . . . . . . . . . . 156 Status Logging On Serial-Line UPSes . . . . . . . . . . . . . . 157

DATA Logging . .	. . . . . . . . . . . . . . . . . . . . . . . . . . .	158
Technical Reference	. . . . . . . . . . . . . . . . . . . . . . . . . .	159

UPS control system specifications

APC UPS (Uninterruptible Power Supply) control systems are vital components for ensuring uninterrupted power supply and protecting critical equipment from power interruptions, surges, or fluctuations. Designed by Schneider Electric, APC UPS systems are renowned for their high quality and reliability. They utilize advanced technologies and features to suit diverse applications, from home offices to large industrial settings.

One of the main features of APC UPS systems is the ability to provide backup power during outages. This is achieved through a battery system that activates immediately when the mains power fails. This seamless transition minimizes downtime and ensures that electronic devices continue to operate, protecting data integrity and equipment lifespan.

Another significant characteristic of APC UPS systems is their intelligent management capabilities. Most models come with PowerChute software, which provides users with real-time monitoring of power conditions and the status of the UPS. This software allows for graceful shutdowns of connected devices during extended outages, thereby preventing data loss and damage to devices.

APC UPS systems also incorporate advanced technologies such as Automatic Voltage Regulation (AVR). AVR technology ensures that the output voltage remains stable by correcting minor fluctuations without switching to battery mode. This not only prolongs the battery life but also provides a consistent power supply to the connected equipment.

Thermal management is another critical aspect of APC UPS control systems. The design often includes efficient cooling systems that prevent overheating, ensuring optimal performance and longevity of the unit. Some models feature EcoMode, which reduces energy consumption and lowers operational costs by working at high efficiency only when battery backup is not required.

APC UPS systems are designed with scalability in mind. Users can easily add more batteries or connect additional UPS units to accommodate growing power needs. Features such as hot-swappable batteries and modular design facilitate easy upgrades and servicing without interrupting power supply.

In terms of connectivity, APC UPS products often feature multiple options including USB, RS-232, and network management capabilities. This enables users to connect remote management tools and integrate the UPS with existing IT infrastructure.

In summary, APC UPS control systems deliver reliability, efficiency, and advanced technology features that cater to a wide array of power protection needs, making them a trusted choice for individuals and businesses alike.

APC UPS control system manual 159

Models: UPS control system

UPS control system specifications