Integrated Services Router CISCO 1921/K9
- The Cisco 1921 Integrated Services Router (ISR) delivers highly secure data, mobility, and application services.
- 2 integrated 10/100/1000 Ethernet ports: GE0/0&GE0/1
- 2 enhanced high-speed WAN interface card (EHWIC) slots that can host 2 single wide or 1 double wide EHWIC module
- Support fully integrated power distribution to modules supporting 802.3af power over ethernet (PoE) and cisco enhanced PoE
- Highly secure collaborative communications with Group Encrypted Transport VPN, Dynamic Multipoint VPN, or Enhanced Easy VPN
- Integrated threat control using Cisco IOS Firewall, Cisco IOS Zone-Based Firewall, Cisco IOS IPS, and Cisco IOS Content Filtering
Đặc tính kỹ thuật
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 Embedded hardware - based cryptography acceleration (IPsec + SSL) 
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 Yes 
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 RJ-45 onboard LAN 10/ 100/ 1000 ports 
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 2 
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 EHWIC slots 
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 2 
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 Doublewide EHWIC slots (use of a doublewide EHWIC slot will consume 2 EHWIC slots) 
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 1 
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 Cisco Integrated Services Module (ISM) slots 
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 0 
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 Memory (DDR2 DRAM): Default / maximum 
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 512 MB / 512 MB 
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 USB flash memory (internal): Default / maximum 
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 256 MB / 256 MB 
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 External USB flash - memory slots (Type A) 
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 1 
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 USB console port (mini-Type B) (up to 115.2 kbps) 
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 1 
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 Serial console port (up to 115.2 kbps) 
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 1 
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 Serial auxiliary port (up to 115.2 kbps 
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 1 
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 Integrated power supply 
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 AC 
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 Power-supply options 
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 POE (external) 
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 Power Specifications 
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 AC input voltage 
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 100 - 240V 
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 AC input frequency 
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 47 - 63 Hz 
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 AC input current range AC power supply (maximum) (amps) 
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 1.5 - 0.6 
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 AC input surge current 
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 < 50A 
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 Typical power (no modules) 
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 25W 
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 Maximum power capacity with AC power supply 
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 60W 
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 Maximum power capacity with PoE power supply (platform only) 
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 70W 
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 Maximum PoE device power capacity with PoE power supply 
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 80W 
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 Physical Specifications 
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 Rack height 
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 1RU 
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 Rack - mount 19in. (48.3 cm) EIA 
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 optional 
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 Wall - mount (refer to installation guide for approved orientation) 
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 Yes 
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 Weight - with AC power supply (no modules) 
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 12 lb 
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 Weight - with PoE power supply (no modules) 
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 12.8 lb 
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 Maximum weight - fully configured 
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 14 lb 
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 Airflow 
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 Back to Sides 
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 Operating Condition 
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  | 
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 Temperature: 5906 feet (1800m) maximum altitude 
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 0 - 40°C (32 - 104°F) 
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 Temperature: 9843 feet (3000m) maximum altitude 
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 0 - 25°C (32 - 77°F) 
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 Altitude 
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 3000 m (10000 ft) 
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 Humidity 
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 10 to 85% RH 
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 Acoustic: Sound pressure (typical / maximum) 
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 32.99 / 58.33 dBA 
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 Acoustic: Sound power (typical/ maximum) 
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 41.99 / 67.22 dBA 
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 Transportation / Storage Condition 
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 Temperature 
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 -40 to 70°C (-40 to 158°F) 
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 Humidity 
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 5 to 95% RH 
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 Altitude 
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 4570m (15000 ft) 
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 Dimensions (H x W x D) 
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 1.75 x 13.5 x 11.5 in. 
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