Installation guide

1-8 Alpine 3800 Series Switch Hardware Installation Guide
A
LPINE
3800 S
ERIES
S
WITCH
O
VERVIEW
A
LPINE
3800 S
ERIES
S
WITCH
P
OWER
S
UPPLY
The Alpine 3800 series switch can have one or two AC or DC power supplies. The AC
power supplies auto-sense for 110V and 220V power. The DC power supplies require
-48 VDC input line voltage. When two power supplies are present, the power is
load-shared between the supplies for enhanced longevity. AC and DC power supplies
may be combined in the same chassis. Both AC and DC power supplies are
hot-swappable.
SNMP traps are sent for the following events:
• AC power failure
• Power supply failure
• Power supply is removed
P
OWER SUPPLY LEDS
Tab le 1-4 describes the light emitting diode (LED) behavior on the power supply.
Table 1-4: Power Supply LEDs
LED Color Indicates
D/C OK Green
Off
All DC outputs are operational
One or more DC outputs have failed