Place of Origin:
Beijing, China
Brand Name:
Cisco Router
Model Number:
1921/K9
The Cisco 1921/K9 (CISCO1921/K9) is an Integrated Services Router (ISR) from Cisco's 1900 Series, specifically designed for small branch offices and small businesses. This compact, 1-rack-unit (1RU) device combines data, security, and wireless services to deliver high performance in a small form factor, ideal for secure WAN connectivity and converged applications.
The router features embedded hardware-based cryptography acceleration for enhanced security services like IPsec VPN. As part of the Cisco ISR G2 (Generation 2) family, it builds upon previous generations with improved performance and modularity through Enhanced High-Speed WAN Interface Card (EHWIC) slots for flexible connectivity options.
| Category | Parameter | Specification |
|---|---|---|
| Chassis & Design | Model | CISCO1921/K9 |
| Form Factor | 1RU (Rack-mountable, 19-inch optional) | |
| Integrated Components | Fixed configuration, all components integrated | |
| Airflow | Back to sides | |
| Performance | Embedded Crypto Acceleration | Yes (IPsec + SSL) |
| Interfaces | Built-in Gigabit Ethernet Ports | 2 x 10/100/1000Base-T (RJ-45) |
| Expansion Slot(s) | 2 x Enhanced High-Speed WAN Interface Card (EHWIC) slots | |
| Doublewide EHWIC slots | 1 (consumes 2 EHWIC slots) | |
| Management Ports | 1 x Serial Console (RJ-45), 1 x USB Console (mini-Type B), 1 x Serial Auxiliary (RJ-45) | |
| USB Ports | 1 x External USB flash memory slot (Type A) | |
| Cisco Integrated Services Module (ISM) slots | 0 | |
| Memory | DRAM (Default/Maximum) | 512 MB / 512 MB (DDR2 DRAM) |
| Flash Memory (Internal Default/Maximum) | 256 MB / 256 MB (USB Flash memory) | |
| Power | Integrated Power Supply | AC and DC power-supply models |
| Power Supply Options | PoE (external) - on AC models only | |
| Redundant Power Supply Support | No | |
| AC Input Voltage | 100-240V ~ | |
| AC Input Frequency | 47-63 Hz | |
| Typical Power (no modules) | 25W | |
| Maximum Power Capacity (AC Power Supply) | 60W |
| Category | Parameter | Specification |
|---|---|---|
| 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) |
| Weight (with AC power supply, no modules) | 6.75 lb (3.06 kg) | |
| Rack-mount | Optional (19-inch EIA) | |
| Wall-mount | Yes | |
| Package Weight | 5.41 Kg | |
| Connector Type | 4 pin USB Type A | |
| Environmental | Operating Temperature (0-1800m altitude) | 0°C to 40°C (32°F to 104°F) |
| Operating Temperature (0-3000m altitude) | 0°C to 25°C (32°F to 77°F) | |
| Operating Humidity | 10% to 85% relative humidity (non-condensing) | |
| Operating Altitude | Up to 3,000m (10,000 ft) | |
| Storage Temperature | -40°C to 70°C (-40°F to 158°F) | |
| Storage Humidity | 5% to 95% relative humidity (non-condensing) | |
| Acoustic Sound Pressure (typical/maximum) | 32.99/58.33 dBA | |
| 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 Class A, 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 | |
| End-of-Life (EOL) Status | End-of-Sale Date | September 29, 2018 |
| Last Date of Support | September 30, 2023 |
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