Installation guide

7
Installing AC Power Supplies in Cisco 2691 Routers
78-13819-01
Overview of Cisco 2691 Power Supplies
Power Requirements for the Cisco 2691 Router
The following power requirements apply to the Cisco 2691 router:
Accessing the Power Supply
To access power supplies on the Cisco 2691 router, remove the router cover as described in the “Removing
the Router Cover” section on page 8.
Warning Before working on a chassis or working near power supplies, unplug the power cord on AC units.
To see translations of the warnings that appear in this publication, refer to the
Regulatory
Compliance and Safety Information document that accompanied this device.
Warning Do not touch the power supply when the power cord is connected. For systems with a power
switch, line voltages are present within the power supply even when the power switch is off and
the power cord is connected. For systems without a power switch, line voltages are present
within the power supply when the power cord is connected. To see translations of the warnings
that appear in this publication, refer to the
Regulatory Compliance and Safety Information
document that accompanied this device.
Warning Do not work on thesystem or connect ordisconnect cablesduring periodsof lightning activity. To
see translations of the warnings that appear in this publication, refer to the
Regulatory
Compliance and Safety Information document that accompanied this device.
Warning Before opening the chassis, disconnect the telephone-network cables to avoid contact with
telephone-network voltages. To see translations of the warnings that appear in this publication,
refer to the
Regulatory Compliance and Safety Information document that accompanied this
device.
Type Cisco 2691
Input voltage, AC power
supply
Frequency
Current emissions (AC)
Minimum efficiency
Line surge (120 VAC)
Line surge (2400 VAC)
100 to 120, 120V VAC
200 to 240, 230V VAC
47 to 63 Hz
0.93 min. @ 120VAC 60Hz
when loaded at 50% or
higher
60% @ 85V, 64% @
100VAC to 264VAC
160VAC - 1/2 cycle,
140VAC - 5 cycles
320VAC - 1/2 cycle,
280VAC - 5 cycles