TECHNICAL MANUAL
942088.001
942088.001 - 24/09/98
3
2.5.1 - RS232 connector (RJ11 type) with the following signals:
Pin Description
1
Reserved ( +5V
@
. 10mA )
2
TDX, ( Transmits date to the PC )
3
Ground
4
RDX, ( Receives data from the PC )
Pin 1 is reserved for special purposes. Signals 2 and 4 are “RS232” levels. This connector is
used for the serial communication with the PC using the User and Technical Software.
2.5.2 - SHUTDOWN connector (RJ11 type) with the following signals:
Pin Description
1
Battery Low
2
Mains Failure
3
Ground
4
-----------------
It is used for automatic operations such as files server shutdown, etc.
The signals are “RS232” levels.
It is necessary to use special cables such as MODEL 42 to provide Volt Free Contacts (VFC).
The “Battery Low” and “Mains Failure” logic signals are Software configurable.
2.6 - LEDs
The green LED indicates us than the unit is operating on mains and within its limits.
If the unit is operating on-battery , the red LED is on.
When the LEDs are off the unit is switched off .
2.7 - Acoustic Signals.
ON BATTERY:
One “bip” of 0,5 sec. every 15 sec. The UPS is on-battery and discharging them.
AUTOTEST MODE:
Five “bips” every 5 sec. The unit carries out an internal autotest when it starts up.
PREWARNING
MODE:
One “bip” of 0,5 sec every sec. The UPS battery is low.
HISTORIC MODE:
Two fast “bips” . An event has occurred and has been storage in the UPS memory.
(Mains failure, overload , etc.).
ALARM MODE:
Four small “bips” and one long “bip” every second. An user’s alarm has been
activated ( overload ).
4
1
2
3
4
1
2
3
