CISCO1921-SEC/K9 - Cisco 1921 Series Integrated Services Routers Overview
CISCO1921-SEC/K9 - Cisco 1921 Series Integrated Services Routers is a genuine edge and wide-area routing product from Cisco, a global name in networking whose platforms are used by enterprises, service providers and data-center operators alike. Belonging to the Cisco 1921 Series family, the CISCO1921-SEC/K9 unit is built to the original factory specification, so it integrates with existing Cisco deployments predictably and behaves exactly as the platform documentation describes. In the network, it is deployed as a standalone unit or as part of a larger managed network, following the standard operating procedures of the platform.
From a specification standpoint, it offers 2 ports for client, server or uplink connectivity. These are the original factory figures for this model, giving administrators a clear picture of what the unit can deliver before it enters service. Standard mounting, cabling and management practices apply, so deployment follows the same procedures as other Cisco hardware already running in the environment.
Typical deployments include branch and campus WAN connectivity, service-provider edge and MPLS deployments, and secure remote-site interconnect. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “Cisco 1921 Security Bundle with SEC license PAK, provides robust security features, modular design.”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the CISCO1921-SEC/K9. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Enterprise WAN
Branch and campus routing with advanced services.
Service Provider
Edge routing for ISP and MPLS deployments.
Data Center
Interconnect core and aggregation layers reliably.
Buying a Pre-Owned CISCO1921-SEC/K9
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
CISCO1921-SEC/K9 Specification | |
| 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 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 |
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 | 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 |
| 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 |
Package Weight | 11.9 lb (5.41 Kg) |
Weight: With AC power supply (no modules) | 6.75 lb (3.06 Kg) |
Weight: With PoE power supply (no modules) | 7.5 lb (3.4 Kg) |
Airflow | Back to sides |
| 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 |
| Temperature | -40 to 158°F (-40 to 70°C) |
Humidity | 5 to 95% RH |
| Altitude | 15,000 ft (4,570m) |
CISCO1921-SEC/K9 - Product Notes
This listing is a specific SKU variant of the CISCO1921-SEC/K9 family. Review the specifications above and confirm compatibility with your existing infrastructure, including software version, mounting, and interface requirements, before ordering.
For volume requirements we offer configuration checks and staged delivery options. Our team can confirm revision levels, software compatibility, and lead time before you place an order.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation.
CISCO1921-SEC/K9 - Cisco Series Notes
This listing is part of the Cisco enterprise networking product family, sourced and tested by LinkNewNet for enterprise deployment. Cisco router is positioned at the WAN edge, branch, or service-provider aggregation point. It provides routing, VPN, QoS and security services, and integrates with Cisco IOS-XE / IOS-XR management.
Deployment guidance: When planning this CISCO1921-SEC/K9 unit into a network, confirm the software image (IOS/IOS-XE/NX-OS) required, the power and cooling profile, and the upstream/downstream interface types that match your existing infrastructure. For a like-for-like refresh, match the feature set of the units already in service so management and automation behave consistently.
Our Cisco reconditioning process: Every pre-owned Cisco unit at LinkNewNet passes a documented reconditioning flow before dispatch - visual inspection, internal cleaning, firmware verification, port-by-port testing, and configuration reset to factory defaults. This ensures the unit you receive operates reliably and integrates cleanly with your existing Cisco management tools.
Related models in this family: CISCO1921/K9, C1-CISCO1941/K9, CISCO1941W-N/K9, C1921-ADSL2-M/K9, CISCO1941-HSEC+/K9. Compare specifications to confirm the right port density, feature set and uplink options for your deployment.
Model code: K9 = Cryptographic (encryption) software feature set - this suffix indicates the feature set, power, or regulatory variant of the CISCO1921-SEC/K9, which affects software licensing and regional compliance.
