Cisco AS5800 Universal Access Server Hardware Installation Guide
System Specifications
A-4

TableA-4 lists the backplane environmental specifications.

Table A -4 Back plane —Environmental Specifications
Blower Assembly Specifications

TableA-5 lists blower assembly DC power requirements.

Description Specification
Dimensions (H x W) 12.75 x 16.75 in. (32.4 x 42.5 cm)
Cooling Maximum inlet air temperatu r e is 131 ° F (5 5° C)
Temperature
Operating
Nonoperating 23 to 131° F (–5 to 55° C)
–13 to 158° F (–25 to +70° C)
Humidity
Operating
Nonoperating 10 to 90%, noncondensing
10 to 95%, noncondensing
Altitude
Operating
Nonoperating 9,843 ft (3,000 m) at 104° F (40° C)
15,000 ft (4,570 m) over allowable temperature
range
Thermal shock
Operating
Nonoperating 23 to 113° F (–5 to 45° C at 0.5° C) per minute
–13 to 158° F (–25 to 70° C) with changeover
time between 2 and 3 min
Vibrati on
Operating
Nonoperating 1.12 g from 3 to 500 Hz
2 g from 3 to 500 Hz
Ripple and noise 200 mV
Battery feed noise 3 KHz band between 10 KHz and 20 MHz
Voice frequency noise
Radio frequency noise 70 dBrnC
500 mV RMS
Long-term voltage drift ± –0.5%
TableA-5 Blower Assembly—DC Power Requirements
Power Specification
Voltage to backplane
Maximum
Nominal
Minimum
–38 VDC
–48 VDC
–75 VDC
Current
Minimum (SS)
Nominal (SS)
Maximum (SS)
Peak (2 sec)
3.0 A
42.0 A
54.0 A
60.0 A