Chapter 7 Communication Interfaces
45
RS-232 Other Pin Applications: Alarm Signal & Remote Shutdown
Condition Pin Action
Low Battery 1 & 5
The signal activates when the battery capacity is below
the threshold.
On Battery 8 & 5
The signal activates when the UPS runs in battery
mode.
Remote
Shutdown
3 & 9
Remote shutdown is ONLY applicable in battery
mode. For remote shutdown, short Pin 3 and Pin 9 for
approximate 3.8 seconds, and then the UPS will shut
down after one minute.
On Manual
bypass path
7 & 9
The signal of Manual bypass breaker activates the
single of Pin 9 and Pin 7 will short automatically by
Manual bypass box, the UPS will transfer to Bypass
mode.
NOTE :
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2. If User is not using DELTA Standard Manual
Bypass Box, please changes the UPS
communication port from RS232 to USB
(or Slot) before use the MBB function.
NOTE :
Other pins are reserved and cannot be used.
z
USB Port
Besides the RS-232 port, the UPS also provides another channel, USB port, for
user to record UPS power events, monitor UPS status, adjust transfer voltage,
set up alarms, and shut down the UPS safely via a computer. Simply plug the
USB cable into the UPS and your computer, install the UPSentry 2012 software
(included in the provided CD), and follow the prompts on your screen to complete
the software installation.
z
Smart Slot
You can choose optional cards to monitor the UPS or to enhance the UPS
function. The list of optional cards is shown in the table below.
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