Router Cisco 1921/K9
| Embedded hardware – based cryptography acceleration (IPsec + SSL) | Yes |
| RJ-45 onboard LAN 10/ 100/ 1000 ports | 2 |
| EHWIC slots | 2 |
| Doublewide EHWIC slots (use of a doublewide EHWIC slot will consume 2 EHWIC slots) | 1 |
| Cisco Integrated Services Module (ISM) slots | 0 |
| Memory (DDR2 DRAM): Default / maximum | 512 MB / 512 MB |
| USB flash memory (internal): Default / maximum | 256 MB / 256 MB |
Thông số kỹ thuật Router Cisco1941/K9
| Embedded hardware – based cryptography acceleration (IPsec + SSL) | Yes |
| RJ-45 onboard LAN 10/ 100/ 1000 ports | 2 |
| EHWIC slots | 2 |
| Doublewide EHWIC slots (use of a doublewide EHWIC slot will consume 2 EHWIC slots) | 1 |
| Cisco Integrated Services Module (ISM) slots | 0 |
| Memory (DDR2 DRAM): Default / maximum | 512 MB / 512 MB |
| USB flash memory (internal): Default / maximum | 256 MB / 256 MB |
| External USB flash – memory slots (Type A) | 1 |
| USB console port (mini-Type B) (up to 115.2 kbps) | 1 |
| Serial console port (up to 115.2 kbps) | 1 |
| Serial auxiliary port (up to 115.2 kbps | 1 |
| Integrated power supply | AC |
| Power-supply options | POE (external) |
| Power Specifications | |
| AC input voltage | 100 – 240V |
| AC input frequency | 47 – 63 Hz |
| AC input current range AC power supply (maximum) (amps) | 1.5 – 0.6 |
| AC input surge current | < 50A |
| Typical power (no modules) | 25W |
| Maximum power capacity with AC power supply | 60W |
| Maximum power capacity with PoE power supply (platform only) | 70W |
| Maximum PoE device power capacity with PoE power supply | 80W |
| Physical Specifications | |
| Rack height | 1RU |
| Rack – mount 19in. (48.3 cm) EIA | optional |
| Wall – mount (refer to installation guide for approved orientation) | Yes |
| Weight – with AC power supply (no modules) | 12 lb |
| Weight – with PoE power supply (no modules) | 12.8 lb |
| Maximum weight – fully configured | 14 lb |
| Airflow | Back to Sides |
| Operating Condition | |
| Temperature: 5906 feet (1800m) maximum altitude | 0 – 40°C (32 – 104°F) |
| Temperature: 9843 feet (3000m) maximum altitude | 0 – 25°C (32 – 77°F) |
| Altitude | 3000 m (10000 ft) |
| Humidity | 10 to 85% RH |
| Acoustic: Sound pressure (typical / maximum) | 32.99 / 58.33 dBA |
| Acoustic: Sound power (typical/ maximum) | 41.99 / 67.22 dBA |
| Transportation / Storage Condition | |
| Temperature | -40 to 70°C (-40 to 158°F) |
| Humidity | 5 to 95% RH |
| Altitude | 4570m (15000 ft) |
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