Thiết bị mạng Router Cisco 1921/K9 cũ đã qua sử dụng

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

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

DC input wire size

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