Juniper CBL-M40-PWR-AU Manual Do Utilizador
Power Supplies
M40 Internet Router Hardware Guide
22
DC Power Supply
A DC-powered router has two load-sharing DC power supplies, located at the bottom rear of
the chassis, as shown in Figure 2. Each power supply has an internal circuit breaker. Figure 9
shows the power supply and Table 9 lists electrical specifications. For information about the
LEDs on the power supply, see “Power Supply LEDs” on page 22.
the chassis, as shown in Figure 2. Each power supply has an internal circuit breaker. Figure 9
shows the power supply and Table 9 lists electrical specifications. For information about the
LEDs on the power supply, see “Power Supply LEDs” on page 22.
Figure 9: DC Power Supply
Table 9: DC Power Supply Electrical Specifications
Power Supply LEDs
Table 10 describes the LEDs on both AC and DC power supplies.
Table 10: States for Power Supply LEDs
1038
Handle
Extractor/inserter
Captive
screw
screw
Safety interlock lever
Status LEDs
Power switch
Grounding studs
Power terminals
Description
Specification
Maximum power output
1500 W
Input voltage
–40 through –75 VDC operating range
Input current rating
35A @ 48V
Output voltage
+3.3V, +5V, +2.5V, +12V, +24V
Label
Color
State
Description
OK
Green
On steadily
Power supply is functioning normally, input is occurring, outputs
are within range, temperature is within range, and fans are
operational.
are within range, temperature is within range, and fans are
operational.
FAIL
Red
On steadily
Power supply has failed.