Product Specifications - Cisco 1921/K9 Datasheet

Product Specifications

Table 7.
Services and Slot Density
Embedded hardware-based cryptography acceleration (IPsec + SSL)
RJ-45 onboard LAN/WAN 10/100/1000 ports
EHWIC slots
Doublewide EHWIC slots (use of a doublewide EHWIC slot will consume
2 EHWIC slots)
Cisco Integrated Services Module (ISM) slots
Memory (DDR2 DRAM): Default/maximum
USB flash memory (internal): Default/maximum
External USB flash-memory slots (Type A)
USB console port (mini-Type B) (up to 115.2 kbps)
Serial console port (up to 115.2 kbps)
Serial auxiliary port (up to 115.2 kbps
Integrated power supply
Power-supply options
Redundant-power-supply support
Power Specifications
AC input voltage
AC input frequency
AC input current range AC power supply (maximum) (amps)
AC input surge current
Typical power (no modules)
Maximum power capacity with AC power supply
Maximum power capacity with PoE power supply (platform only)
Maximum PoE device power capacity with PoE power supply
DC power input
DC input wire size
Safety ground-wire size
Wire terminal (lug)
Overcurrent protection
Physical Specifications
Dimensions (H x W x D)
Rack height
Rack-mount 19 in. (48.3 cm) EIA
Wall-mount (refer to installation guide for approved orientation)
Weight: With AC power supply (no modules)
Weight: With PoE power supply (no modules)
Airflow
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Product Specifications of Cisco 1921 Integrated Services Router
Cisco 1921 Integrated Services Router
Yes
2
2
1
0
512 MB/512 MB
256 MB/256 MB
1
1
1
1
AC and DC power-supply models
POE (external) - on AC models only
No
100-240V ~
47-63 Hz
1.5-0.6
<50A
25W
60W
70W
80W
32-60 VDC, 4A, positive or negative, single source
AWG 14 (2.0 mm2)
AWG 14 (2.0 mm2), minimum
Amp/Tyco No.32957
20A maximum
1.75 x 13.5 x 11.5 in. (4.45 x 34.29 x 29.21 cm)
1 rack unit (1RU)
Optional
Yes
6.75 lb
7.5 lb
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