Cisco Cisco ASR 920-4SZ-A Router Data Sheet
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Description
Cisco ASR 920 Router
Air flow
Front-to-Back airflow (ASR-920-12SZ-IM/ASR-920-12SZ-IM-CC, ASR-920-24TZ-M, ASR-920-24SZ-M)
Front-to-Back & Side-to-Back airflow (ASR-920-24SZ-IM)
Power supplies
2 power supplies (AC or DC)
Mean time between failures (MTBF)
(hours)
(hours)
ASR-920-12SZ-IM/ASR-920-12SZ-IM-CC: 407,230
ASR-920-24TZ-M: 582,610
ASR-920-24SZ-M: 546,260
ASR-920-24SZ-IM: 471,530
A920-PWR400-A: 356,809
A920-PWR400-D: 331,879
ASR-920-FAN-TRAY: 2,811,680
ASR-920-FAN-F: 2,581,770
ASR-920-FAN-M: 2,681,720
ASR-920-PWR-A: 1,598,000
ASR-920-PWR-D: 1,129,417
1
Measured from the front of the chassis (excluding handles from the power supply, fan tray, and interface modules installed in
the chassis).
Table 7.
Power Specifications
Description
Cisco ASR 920 Router
Power consumption
ASR-920-12SZ-IM/ASR-920-12SZ-IM-CC: Max 150W, Typical: 130W (without PoE)
ASR-920-24TZ-M: Max 130W, Typical: 100W
ASR-920-24SZ-M: Max 145W, Typical: 110W
ASR-920-24SZ-IM: Max 180W, Typical: 130W
AC input voltage and frequency
Voltage range: 85V AC to 264V AC, nominal 100V AC to 240V AC
Frequency Range: 47 to 63 Hz, nominal 50 to 60 Hz
DC input voltage
Voltage range: -18 to -32 VDC or -36 to -72 VDC, nominal: -24 VDC/-48 VDC
Voltage range (ASR-920-12SZ-IM/ASR-920-12SZ-IM-CC): -18 VDC to -32 VDC or -40 VDC to -72 VDC
nominal -24VDC/-48VDC/-60VDC
nominal -24VDC/-48VDC/-60VDC
Table 8.
Environmental Specifications
Description
Cisco ASR 920 Router
Operating environment and altitude
1
-40 to 70ºC, up to 1,000 feet (300m)
-40 to 65ºC, up to 6,000 feet (1800m)
-40 to 55ºC, up to 13,000 feet (4000m)
Relative humidity
5 to 95 percent, noncondensing
Acoustic noise
2
Acoustic noise peak operation maximum 55 dBA (59 dBA for ASR-920-12SZ-IM/ASR-920-12SZ-IM-CC)
sound pressure level, bystander position for rack-mount products at 20ºC operation as measured by
ISO 7779 NAIS noise measurement test standard.
sound pressure level, bystander position for rack-mount products at 20ºC operation as measured by
ISO 7779 NAIS noise measurement test standard.
Acoustic noise peak operation compliant to the Network Equipment Building Standards (NEBS) GR-63-
Core Issue 3 sound power level of 78 dB at 27ºC operation as measured by the ANSI S12.10/ISO 7779
NAIS noise measurement test standard.
Core Issue 3 sound power level of 78 dB at 27ºC operation as measured by the ANSI S12.10/ISO 7779
NAIS noise measurement test standard.
Storage environment
Temperature: -40 to 70ºC altitude: 15,000 feet (4570m)
Seismic
Zone 4
1
Optics used may limit the temperature range.
2
The numbers in Table 12 are for normal (nonfailure) operation. When operating with a fan failure, these numbers may be
exceeded.