APC SILCON 990-4053 - Manual (Page 22)

22 Installation Guide APC Silcon 480kW 400V UPS
990-4053
External Connection
4.7.2.3 LEDs
The APC Silcon Triple Chassis status LED provides important information concerning
operation of the chassis. Refer to the table below for a description of the conditions indicated
by the LED.
4.7.2.4 Optional Power Input
With the Optional Power input, you can power the APC Silcon Triple Chassis from an external
source, using a 24 VDC power adapter. A universal adapter (AP9505i) or a standard adapter
(AP9505) can be purchased separately from APC.
4.7.3 Installing Management Peripherals
There are two basic types of APC management peripherals that work with the APC Silcon
Triple Chassis:
• Management peripheral cards, which fit into external management peripherals that
are equipped with a card slot.
• External management peripherals, which connect to the Monitoring (or Advanced)
port of other external management peripherals.
IF the LED is… THEN the Silcon Triple Chassis…
off is not receiving power.
flashing quickly
(5 times per second)
has not been configured. See the APC Silcon Management Quick
Start Guide provided with your chassis or the Web/SNMP
Management Card Installation Guide on the CD for more
information.
flashing slowly
(1 time per second)
is powered on but is not communicating with the UPS.
on is operating normally.
NOTICE!
The name “Monitoring” port varies from product to product, but its purpose is the same – to
replicate the UPS communications port.