Cisco 1921 Router CISCO1921/K9 ISR G2 – Cisco ISR 1900 Series 1921 Modular Router, 2 GE, 2 EHWIC slots, 512DRAM, IP Base.
The Cisco 1921/K9 builds on the best-in-class offering of the Cisco 1841 Integrated Services Routers. All Cisco 1921 Series Integrated Services Routers offer embedded hardware encryption acceleration, optional firewall, intrusion prevention, and advanced security services. In addition, the platforms support the industry’s widest range of wired and wireless connectivity options such as Serial, T1/E1, xDSL, Gigabit Ethernet, and Third-Generation (3G) wireless.
Cisco ISR G2 routers provide superior services integration and agility. Designed for scalability, the modular architecture of these platforms enables you to grow and adapt with your business needs.
Key Features and Benefits of the Cisco 1921/K9 Integrated Services Router
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Benefits |
Description |
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Service integration |
● The Cisco 1921 offers increased levels of services integration with data, security, wireless, and mobility services, enabling greater efficiencies and cost savings.
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Services on demand |
● A single Cisco IOS Software Universal image is installed on each ISR G2. The Universal image contains all of the Cisco IOS Software technology sets that can be activated with a software license, allowing your business to quickly deploy advanced features without downloading a new Cisco IOS Software image. Additionally, larger default memory is included to support the new capabilities.
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High performance with integrated services |
● The Cisco 1900 Series enables deployment in high-speed WAN environments with concurrent services enabled up to 15 Mbps.
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Network agility |
● Designed to address customer business requirements, the Cisco 1921 with the modular architecture offers a performance range of modular interfaces and services as your network needs grow.
● Modular interfaces offer increased bandwidth, a diversity of connection options, and network resiliency.
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Energy efficiency |
● The Cisco 1921 architecture provides energy-savings features that include the following:
◦ The Cisco 1900 Series offers intelligent power management and allows you to control power to the modules based on the time of day. Cisco EnergyWise technology will be supported in the future.
◦ Services integration and modularity on a single platform performing multiple functions optimizes raw-materials consumption and energy usage.
◦ Platform flexibility and ongoing development of both hardware and software capabilities lead to a longer product lifecycle, lowering all aspects of the TCO, including materials and energy use.
◦ High-efficiency power supplies are provided with each platform.
◦ DC Power option available (CISCO1921DC/K9).
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Investment protection |
● The Cisco 1921 maximizes investment protection:
◦ Reuse of a broad array of existing modules supported on the original ISRs provides a lower TCO.
◦ A rich set of Cisco IOS Software features is carried forward from the original ISRs and delivered in the Universal image.
◦ This router gives you the flexibility to grow as your business needs evolve.
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Cisco 1921 Integrated Services Router |
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Services and Slot Density |
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Embedded hardware-based cryptography acceleration (IPsec + SSL) |
Yes |
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RJ-45 onboard LAN/WAN 10/100/1000 ports |
2 |
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EHWIC slots |
2 |
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Doublewide EHWIC slots (use of a doublewide EHWIC slot will consume 2 EHWIC slots) |
1 |
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Cisco Integrated Services Module (ISM) slots |
0 |
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Memory (DDR2 DRAM): Default/maximum |
512 MB/512 MB |
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USB flash memory (internal): Default/maximum |
256 MB/256 MB |
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External USB flash-memory slots (Type A) |
1 |
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USB console port (mini-Type B) (up to 115.2 kbps) |
1 |
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Serial console port (up to 115.2 kbps) |
1 |
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Serial auxiliary port (up to 115.2 kbps |
1 |
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Integrated power supply |
AC and DC power-supply models |
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Power-supply options |
POE (external) – on AC models only |
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Redundant-power-supply support |
No |
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Power Specifications |
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AC input voltage |
100-240V ~ |
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AC input frequency |
47-63 Hz |
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AC input current range AC power supply (maximum) (amps) |
1.5-0.6 |
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AC input surge current |
<50A |
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Typical power (no modules) |
25W |
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Maximum power capacity with AC power supply |
60W |
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Maximum power capacity with PoE power supply (platform only) |
70W |
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Maximum PoE device power capacity with PoE power supply |
80W |
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DC power input |
32-60 VDC, 4A, positive or negative, single source |
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DC input wire size |
AWG 14 (2.0 mm2) |
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Safety ground-wire size |
AWG 14 (2.0 mm2), minimum |
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Wire terminal (lug) |
Amp/Tyco No.32957 |
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Overcurrent protection |
20A maximum |
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Physical Specifications |
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Dimensions (H x W x D) |
1.75 x 13.5 x 11.5 in. (4.45 x 34.29 x 29.21 cm) |
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Rack height |
1 rack unit (1RU) |
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Rack-mount 19 in. (48.3 cm) EIA |
Optional |
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Wall-mount (refer to installation guide for approved orientation) |
Yes |
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Weight: With AC power supply (no modules) |
6.75 lb |
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Weight: With PoE power supply (no modules) |
7.5 lb |
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Airflow |
Back to sides |
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Environmental Specifications |
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Operating Conditions |
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Temperature: 5906 ft (1800m) maximum altitude |
32-104˚F (0-40˚C) |
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Temperature: 9843 ft (3000m) maximum altitude |
32-77˚F (0-25˚C) |
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Altitude |
10,000 ft (3,000m) |
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Humidity |
10 to 85% relative humidity (RH) |
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Acoustic: Sound pressure (typical/maximum) |
32.99/58.33 dBA |
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Acoustic: Sound power (typical/maximum) |
41.99/67.22 dBA |
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Transportation and Storage Conditions |
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Temperature |
-40 to 158˚F (-40 to 70˚C) |
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Humidity |
5 to 95% RH |
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Altitude |
15,000 ft (4,570m) |
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Regulatory Compliance |
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Safety |
UL 60950-1 CAN/CSA C22.2 No. 60950-1 EN 60950-1 AS/NZS 60950-1 IEC 60950-1 |
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EMC |
47 CFR, Part 15 ICES-003 Class A EN55022 Class A CISPR22 Class A AS/NZS 3548 Class A VCCI V-3 EN 300-386 EN 61000 (Immunity) EN 55024, CISPR 24 EN50082-1 |
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Telecom |
TIA/EIA/IS-968 CS-03 ANSI T1.101 IEEE 802.3 RTTE Directive |
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