Power - Cisco uBR924 Installation Manual

Chapter 2 Preparing for Installation
Table 2-1 Specifications for Operating and Nonoperating Environment
Specification
Temperature, ambient operating
Temperature, ambient nonoperating and storage
Humidity, ambient (noncondensing) operating
Humidity, ambient (noncondensing) nonoperating and storage
Altitude, operating and nonoperating
Vibration, operating
Vibration, nonoperating
For proper airflow, keep the back, sides, and bottom of the cable access router clear of
Caution
obstructions and away from the exhaust of other equipment. To prevent unit overheating,
never install the Cisco uBR924 router in an enclosed rack or room that is not properly
ventilated or air conditioned.

Power

The Cisco uBR924 router does not contain a power switch. After the cable system technician installs,
connects, powers on, and initializes the unit, it is intended to remain connected to the broadband
network when operating normally. Before plugging the unit in, verify that the power source is within
the values given in Table 2-2.
Table 2-2 Cisco uBR924 Cable Access Router Power Specifications
Description Specification
AC-input voltage 120 to 240 VAC
AC-input current 1.2A
rating
AC-input cable 18 AWG
American (NEMA 5-15P) plug on the power source end; other country-specific cords are available
and supplied as ordered.
Power dissipation 12 to 15W
Frequency 50/60 Hz
1. VAC = volts alternating current.
2. A = ampere.
3. AWG = American Wire Gauge.
4. Hz = hertz.
Note The same power supply supports both domestic (U.S.) and international operation.
Different power cords are required, however, depending on the country of operation.
OL-0338-01 (3/2000)
1
wide input with power factor correction
2
maximum at 120 VAC and 0.6A maximum at 240 VAC
3
three-wire cable, with a three-lead receptacle on the power supply end, and a North
4
Minimum
32°F (0°C)
–13°F (–25°C)
5%
5%
Sea level
10 to 200 Hz, 0.0005 g (1 oct./min.)
10 to 100 Hz, 0.0065 g (1 oct./min.)
Cisco uBR924 Router Hardware Installation Guide
Site Requirements
Maximum
104°F (40°C)
95°F (70°C)
95%
95%
10,000 ft
(3,050 m)
N/A
N/A
2-5