ISR4221/K9
Cisco 4221 Integrated Services Router
| ISR4221/K9 SPECIFICATIONS | ISR4221/K9 SPECIFICATIONS | ||
| Airflow | I/O side to bezel side | Maximum power with AC power supply (watts) | 90 | 
| Temperature (Storage) | -40 to 158 F (-40 to 70 C) | SFP-based ports | 1 | 
| Weight with AC PS (no modules) | 7.1 lb (3.22kg) | RJ-45-based ports | 2 | 
| Maximum flash memory | 8GB | Shipping Box Dimensions (Metric - H x W x D) | 104.9 x 463.6 x 328.7 mm | 
| Packaging Weight | 1.28 lb (0.58kg) | Serial auxiliary port - RJ45 (up to 115.2 kbps) | 1 (combo CON/AUX port) | 
| PoE Support | None | Relative humidity (operating) | 5% to 85% | 
| OIR (all I/O modules) | No | Relative humidity (storage) | 5% to 95% | 
| Wall Mount | Yes | AC input current range, AC power supply (maximum) | 1.5 to 0.6A | 
| Power-supply options | External AC only | Total onboard WAN or LAN 10/100/1000 ports | 2 | 
| Typical weight (fully loaded with modules) | 8.11 lb (3.68kg) | Dimensions (inches) | 1.72 x 12.7 x 10" | 
| Onboard ISC slot | No | External USB 2.0 slots (type A) | 1 | 
| Aggregate Throughput (Mbps) | 35 to 75 | Acoustics: Sound pressure (Typical/maximum) | 28.5/53 Dba | 
| External Power Supply Dimensions (H x W x D) | 37 x 73 x 152 mm (Phihong mfg PN: AA90U-120A-R), 36.5 x 67 x 155 mm (Delta mfg PN: ADP90GR BA) | Acoustics: Sound power (Typical/maximum) | 41 / 68 dBA | 
| AC input surge current | 90 A peak and less than 3 Arms per half cycle | Shipping Box Dimensions (Inches - H x W x D) | 4.13 x 18.25 x 12.94" | 
| AC input Voltage | 100 to 240 VAC autoranging | Altitude (China) | 0 – 6,560 ft. (0 – 2,000 m) | 
| Altitude (storage) | 15,584 ft (4750m) | NIM slots | 2 | 
| Typical power (no modules) (watts) | 24 | Default flash memory | 8GB | 
| Form factor | 1 rack unit (RU), desktop | Dimensions (metric) | 43.7 x 322.6 x 254 mm | 
| Temperature (Operating) | 32 to 104 F (0 to 40 C) | Rack-mount 19in. (48.3 cm) EIA | Optional | 
| MTBF (Hours) | 593270 | Default memory double-data-rate 3 (DDR3) error-correction-code (ECC) DRAM | 4GB | 
| Altitude (Rest of the world) | 0 – 10,000 ft. (0 – 3,050 m) | Serial console port - RJ45 (up to 115.2 kbps) | 1 (combo CON/AUX port) | 
| AC input frequency | 47 to 63 Hz | Maximum memory DDR3 ECC DRAM | 4GB |