AC Power Cords
All AC-powered Acme Packet 6300/6350 systems ship with two 2.5m power cords.
Each power cord connects to the IEC-320 C14 receptacle on the power supply. There
is no ON/OFF switch on these power supplies.
DC Power
The Acme Packet 6300/6350 can be powered by central office –48 VDC operations
with a DC-DC supply. The handle on the front panel of the power supply is used to
insert and remove the power supply from the chassis. The locking handle is used
to lock/unlock the power supply from the chassis. A terminal block on the DC power
supply serves as the DC power interconnect.
DC Power Cords
A DC power cable ships with each DC power supply. Each DC power cable is eight
feet long. 3-conductor, 10 AWG cable with a three-position connector on the power
supply end with a minimum rating of at least 140° F (60° C). The supply end of
each wire is stripped and tinned for attachment to your rack’s circuit breaker or power
supply. There is no ON/OFF switch with these power supplies. The following table lists
the DC power cord wire markings.
Table 2-4 Acme Packet 6300/6350 DC Power Cord Wire Markings
Wire Color Standard Cord Alternate Cord
Red Return -48 VDC
Green/Yellow Frame Ground Frame Ground
Black -48 VCD Return
Grounding Terminals
The grounding terminals are used to attach the Acme Packet 6300/6350 chassis to a
local earth ground. The terminals are located to the left of the two power supplies on
the rear of the chassis.
Cooling Components
The Acme Packet 6300/6350 must remain well ventilated for reliable and continuous
operation. The cooling features of the chassis include:
• 15 individual fans
• 1 fan filter
Fan
The Acme Packet 6300/6350 chassis draws cool ambient air through the chassis
through intake fans and is exhausted through perforated air outlets located along the
rear of the chassis. To avoid overheating the system, do not block the air intake or
exhaust ways or otherwise obstruct airflow to the system in any way.
Chapter 2
Cooling Components
2-15
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