Product Number

ISR4221/K9

Aggregate Throughput

35 Mbps to 75 Mbps

Total onboard WAN or LAN 10/100/1000 ports

2

RJ-45-based ports

2

SFP-based ports

1

Enhanced service-module slots

0

Doublewide service-module slots

0

NIM slots

2

OIR (all I/O modules)

No

Onboard ISC slot

No

Default memory double-data-rate 3 (DDR3) error-correction-code (ECC) DRAM

(Combined control/services/data planes)

4 GB

Maximum memory DDR3 ECC DRAM (Combined control/services/data planes)

4 GB

Default memory DDR3 ECC DRAM (data plane)

NA

Maximum memory DDR3 ECC DRAM (data plane)

NA

Default memory DDR3 ECC DRAM (control/services plane)

NA

Maximum memory DDR3 ECC DRAM (control/services plane)

NA

Default flash memory

8 GB

Maximum flash memory

8 GB

External USB 2.0 slots (type A)

1

USB console port -type B mini (up to 115.2 kbps)

0

Serial console port – RJ45 (up to 115.2 kbps)

1 (combo CON/AUX port)

Serial auxiliary port – RJ45 (up to 115.2 kbps)

1 (combo CON/AUX port)

Power-supply options

External: AC Only

Redundant power supply

NA

AC input voltage

100 to 240 VAC autoranging

AC input frequency

47 to 63 Hz

AC input current range, AC power supply (maximum)

1.5 to 0.6A

AC input surge current

90 A peak and less than 3 Arms per half cycle

Typical power (no modules) (watts)

24

Maximum power with AC power supply (watts)

90

Maximum power with PoE power supply (platform only) (watts)

NA (no PoE support)

Maximum endpoint PoE power available from PoE power supply (watts)

NA (no PoE support)