Description
Network Connectivity and Interfaces
The Cisco 1921-3G-G-SEC/K9 is a Cisco 1921 series integrated services router that offers a variety of network connectivity and interfaces.
- Ethernet Ports: The router has two 10/100/1000 Ethernet ports for wired connectivity. These ports can be configured for LAN or WAN connectivity.
- 3G/4G Cellular: The router has a built-in 3G/4G cellular module for wireless WAN connectivity. This allows the router to connect to a cellular network for internet access.
- USB Ports: The router has two USB ports that can be used to connect external devices such as storage devices or printers.
- Console Port: The router has a console port for local management and configuration. This port can be used to connect a computer or terminal to the router for direct access.
- A/V Ports: The router has an audio port and a video port that can be used to connect a telephone or camera.
- Security Features: The router has various security features such as a firewall, VPN and intrusion prevention system (IPS) to secure the network.
- Management: The router can be managed remotely using Cisco’s web-based management interface or Cisco Network Assistant.
Security and Firewall Capabilities
The Cisco 1921-3G-G-SEC/K9 is a router in the Cisco 1921 series that provides advanced security and firewall capabilities. Some of the key security and firewall features of this router include:
- Stateful firewall: The router has a built-in stateful firewall that can be configured to block unwanted traffic and protect the network from attacks. It can also be configured to allow only specific types of traffic to pass through the router.
- Network Address Translation (NAT): The router supports NAT, which allows multiple devices on a private network to share a single public IP address. This helps to hide the internal network from external attackers.
- VPN: The router supports VPN, which allows remote users to securely connect to the network using a variety of protocols, including IPsec, SSL, and DMVPN.
- Intrusion Prevention System (IPS): The router has an integrated IPS that can be configured to detect and prevent known and unknown attacks.
- Content Filtering: The router supports content filtering, which allows the administrator to block access to specific websites and content types.
- Access Control Lists (ACLs): The router supports ACLs, which can be used to control access to the network based on IP address, protocol, and port number.
- Advanced Security Suite (ASA): The router also supports the Cisco ASA security suite, which provides additional security features such as advanced threat protection and intrusion prevention.
Power and Environmental Requirements
The Cisco 1921 Series 2 Ports Integrated Services Router (C1921-3G-G-SEC/K9) has specific power and environmental requirements that must be met in order to function properly.
Power Requirements:
- The router requires a power supply voltage of 100-240 VAC and a frequency of 50-60 Hz.
- It has a power consumption of 75 watts maximum.
- The router supports the use of an internal power supply or an external power supply.
Environmental Requirements:
- The router should be operated in a temperature range of 32 to 104 degrees Fahrenheit (0 to 40 degrees Celsius) and a humidity range of 5 to 95% (non-condensing).
- It should be installed in an area with adequate ventilation to prevent overheating.
- The router should be protected from dust, moisture, and other environmental hazards.
- It should be stored in a temperature range of -22 to 158 degrees Fahrenheit (-30 to 70 degrees Celsius).
It’s important to note that the router should be installed and used in accordance with Cisco’s guidelines and recommendations to ensure proper function and longevity. It should also be inspected and serviced regularly by a qualified technician to maintain optimal performance.
General Information
- Manufacturer Cisco Systems, Inc
- Manufacturer Part Number C1921-3G-G-SEC/K9
- Brand Name Cisco
- Product Series 1900
- Product Model 1921
- Product Name 1921 Integrated Services Router
- Product Type Router
Interfaces / Ports
- Total Number of Ports 2
- USB Yes
- Management Port Yes
- Number of Broadband (RJ-45) Ports 2
I/O Expansions
- Number of Total Expansion Slots 2
- Expansion Slot Type HWIC
Network & Communication
- Network Technology 10/100/1000Base-T
- Ethernet Technology Gigabit Ethernet
Management & Protocols
- Security Features-
- Cisco Security Manager
- VPN encryption
- Cisco IOS Firewall
- Cisco IOS Zone-Based Firewall
- Cisco IOS IPS
- Cisco IOS Content Filtering
- AAA
- DES
- 3DES
- AES
Memory
- Standard Memory 512 MB
- Memory Technology DDR2 SDRAM
- Flash Memory 256 MB
Power Description
- Input Voltage 110 V AC
- Input Voltage 220 V AC
- Power Source Power Supply





