TOSHIBA
15
UPS Connections
Communication Interface (cont'd)
UPS Stop Signal Operation
When the UPS stop signal is sent to the UPS through pin 2 and 3 of the external contact
interface, it is possible to automatically reset the following operating systems (OS), which
can automatically implement the shutdown function and restart the operation:
Applicable OS: Windows NT, IBM OS/2 LAN server, LANtastic
When the power fails, the OS detects the power failure signal from the UPS and starts the
shutdown process.
At the end of the shutdown process, the OS outputs a stop signal to the UPS, and the UPS stops.
When the power recovers, the UPS automatically starts output and restarts the OS. Even
when the power recovers while in a shutdown process, the UPS temporarily cuts off the
output (10 - 20 seconds) and then restarts the OS within 10 minutes after the recovery from
power failure. In this case the UPS cuts off output even with normal input power. Connect
the UPS stop signal of the external contact interface only for the automatic processing so
that the UPS output will not be cut off by mistake. If a stop signal is sent to the UPS ten
minutes or more after the recovery from a power failure, then the UPS ignores this signal
and continues to output power.
If the computer is started/restarted within 10 minutes after the recovery from a power
failure, the power supply may be reset while the computer is restarting.
power failure
backup
normal
OS shutdown
10 minutes
UPS stop signal from OS
UPS output voltage
Checking time
Temporarily cuts off the
output for 10 to 20 secs.
continues output
Содержание UE3G2L036C61T
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