Cisco 1921 Router CISCO1921/K9 ISR G2


The Cisco 1921 ISRs are highly modular platforms with multiple module slots to provide connectivity and services for varied branch-office network requirements.

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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

Benefits

Description

Service integration

  The Cisco 1921 offers increased levels of services integration with data, security, wireless, and mobility services, enabling greater efficiencies and cost savings.

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.

High performance with integrated services

  The Cisco 1900 Series enables deployment in high-speed WAN environments with concurrent services enabled up to 15 Mbps.

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.

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).

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.

Cisco 1921 Integrated Services Router

Services and Slot Density

Embedded hardware-based cryptography acceleration (IPsec + SSL)

Yes

RJ-45 onboard LAN/WAN 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 and DC power-supply models

Power-supply options

POE (external) – on AC models only

Redundant-power-supply support

No

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

DC power input

32-60 VDC, 4A, positive or negative, single source

DC input wire size

AWG 14 (2.0 mm2)

Safety ground-wire size

AWG 14 (2.0 mm2), minimum

Wire terminal (lug)

Amp/Tyco No.32957

Overcurrent protection

20A maximum

Physical Specifications

Dimensions (H x W x D)

1.75 x 13.5 x 11.5 in. (4.45 x 34.29 x 29.21 cm)

Rack height

1 rack unit (1RU)

Rack-mount 19 in. (48.3 cm) EIA

Optional

Wall-mount (refer to installation guide for approved orientation)

Yes

Weight: With AC power supply (no modules)

6.75 lb

Weight: With PoE power supply (no modules)

7.5 lb

Airflow

Back to sides

Environmental Specifications

Operating Conditions

Temperature: 5906 ft (1800m) maximum altitude

32-104˚F (0-40˚C)

Temperature: 9843 ft (3000m) maximum altitude

32-77˚F (0-25˚C)

Altitude

10,000 ft (3,000m)

Humidity

10 to 85% relative humidity (RH)

Acoustic: Sound pressure (typical/maximum)

32.99/58.33 dBA

Acoustic: Sound power (typical/maximum)

41.99/67.22 dBA

Transportation and Storage Conditions

Temperature

-40 to 158˚F (-40 to 70˚C)

Humidity

5 to 95% RH

Altitude

15,000 ft (4,570m)

Regulatory Compliance

Safety

UL 60950-1

CAN/CSA C22.2 No. 60950-1

EN 60950-1

AS/NZS 60950-1

IEC 60950-1

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

Telecom

TIA/EIA/IS-968

CS-03

ANSI T1.101

IEEE 802.3

RTTE Directive

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