Cisco1921DC/K9 Cisco 1921 with 2 onboard GE, 2 EHWIC slots, 256MB USB Flash (internal) 512MB DRAM, IP Base, DC PSU

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

Power-supply options

POE (external)

Redundant-power-supply support

No

Power Specifications

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