Cisco 7201 User Manual

22
Connect DC-Input Power
This section provides instructions for installing the DC power supply ground leads and installing the DC-input power leads.
Figure 19 Power Supply Slot 1 and Slot 2
The Cisco 7201 has two of the same type of power supplies in power supply slot 1 and power supply slot 2. (See Figure 19.)
The power supply slot numbers are on the chassis to the left of the left power supply, and to the right of the right power supply.
Caution Before you connect DC-input power, you must install the DC power ground leads to the DC power supply.
Warning Never install an AC power module and a DC power module in the same chassis. Statement 1050
Warning When installing or replacing the unit, the ground connection must always be made first and disconnected last.
Statement 1046
Warning Before connecting or disconnecting ground or power wires to the chassis, ensure that power is removed from the
DC circuit. To ensure that all power is OFF, locate the circuit breaker on the panel board that services the DC
circuit, switch the circuit breaker to the OFF position, and tape the switch handle of the circuit breaker in the OFF
position. Statement 140
Warning This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the absence of
a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician if
you are uncertain that suitable grounding is available. Statement 1024
Caution To make sure that the equipment is reliably connected to earth ground, follow the grounding procedure
instructions, and use a UL-listed lug suitable for 6-AWG wire and M5 screws.
Obtain these necessary tools and equipment:
• Ratcheting torque screwdriver with a Phillips head that exerts up to 15 pound force-inches (lbf in.) or 240 ounce
force-inches (ozf in.) of pressure
• Panduit crimping tool with optional controlled cycle mechanism
• 18-gauge copper ground wire (insulated or noninsulated)
1 Power supply slot 1 2 Power supply slot 2
230086
PWR
SLOT 2
PWR
SLOT 1
PWR
SLOT 1 OK
T
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N
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M
A
Y
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A
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A
N
O
N
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P
O
W
E
R
S
U
P
P
L
Y
C
O
N
N
E
C
T
I
O
N
.
A
L
L
C
O
N
N
E
C
T
IO
N
S
M
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S
T
B
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R
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M
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D
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D
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N
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PWR
SLOT 2 OK
1
2

Cisco 7201 Specifications

General

Brand	Cisco
Model	7201
Category	Network Router
Language	English