C1121-4P Overview
The Cisco C1121-4P is an integrated services router designed for small businesses and enterprise branch offices. It delivers routing, switching, security, and cellular broadband in a compact, single device.
With 4 Gigabit Ethernet ports, the Cisco C1121-4P provides wired connectivity options in a fanless form factor. The router runs on Cisco IOS XE Software, providing robust security, VPN access, and advanced networking features.
The Cisco C1121-4P offers an affordable and simple way to securely connect small business locations with cellular broadband as a primary or backup link.
Quick Specifications
Feature | Description |
---|---|
Ports | 4 x Gigabit Ethernet LAN ports, 1 x Gigabit Ethernet WAN port, 1 x LTE pluggable slot |
Memory | 4 GB DRAM, 4 GB Flash |
Encrypted Performance | 475 Mbps max (IMIX) |
Power | External power adapter, 100-240 Vac, 50-60 Hz |
Dimensions | 1.65” x 10.8” x 7.85” (4.19 x 27.43 x 19.94 cm) |
Weight | 3.43 lb (1.55 kg) |
C1121-4P Details and Highlights
- Integrated 4-port Gigabit Ethernet switch with auto-sensing and autonegotiation
- Wired router with stateful firewall, NAT, QoS, and VPN termination
- Pluggable LTE slot for global cellular broadband connectivity
- USB 3.0 port for additional storage
- Console and auxiliary ports for management and diagnostics
- Fanless design for silent operation
- Cisco IOS XE operating system with advanced security and networking features
Comparison to Similar Models
Feature | C1121-4P | C1121-4PLTEP |
---|---|---|
LAN Ports | 4 x Gigabit Ethernet | 4 x Gigabit Ethernet |
WAN Interface | 1 x Copper GE | 1 x Copper GE |
LTE Slot | None | Yes |
Wireless LAN | None | None |
Full Specifications
Feature | Description |
---|---|
Ports | 4 x Gigabit Ethernet LAN ports, 1 x Gigabit Ethernet WAN port, 1 x LTE pluggable slot |
LAN | 4 x 10/100/1000 RJ-45 autosensing (LAN Base) |
WAN | 1 x 10/100/1000 RJ-45 autosensing |
Console | Micro-USB |
LTE | Supports LTE pluggable modules |
Memory | 4 GB DDR3 DRAM, 4 GB eUSB flash memory |
Throughput | 475 Mbps IPsec (IMIX) |
Routing tables | IPv4: 16K, IPv6: 8K |
VLANs | 25 |
VPN tunnels | 25 IPSec |
Firewall sessions | 10K |
Operating temperature | 0° to 40°C (32° to 104°F) |
Nonoperating temperature | -40° to 70°C (-40° to 158°F) |
Humidity | 10% to 85% (noncondensing) |
Dimensions | 1.65” x 10.8” x 7.85” (4.19 x 27.43 x 19.94 cm) |
Weight | 3.43 lb (1.55 kg) |
Certification | UL 60950, CSA 22.2, IEC 60950, EN 60950 |
Supported Modules and Accessories
Part Number | Description |
---|---|
P-LTEA-LA | CAT6 LTE pluggable for Latin America |
P-LTEA-EA | CAT6 LTE pluggable for North America/Europe |
CAB-TA-NA | North America AC power cord |
PWR-INJ4= | Gigabit Ethernet PoE power injector, up to 4 ports |
C1121-4P Licensing
The Cisco C1121-4P uses Cisco IOS XE Software with IP Base licensing included. Additional licenses like Security, Unified Communications, and Application Experience can be purchased separately.
Installation and Deployment
The C1121-4P can be placed on a desktop or mounted to a wall using optional brackets. Cables connect to the front panel ports. An LTE antenna connects to the pluggable module.
Basic installation involves connecting LAN and WAN cables, inserting the LTE module, attaching antennas, and powering on the device. The router can be configured locally using the console port or remotely via the LAN/WAN IP addresses.
Compliance and Safety
The C1121-4P router complies with the following safety and regulatory standards:
- UL 60950, EN 60950, IEC 60950, CSA 22.2, AS/NZS 3260, TS 001
- FCC Part 15 Class A
- CE marking directives 2004/108/EC and 2006/95/EC
Warranty and Support
The Cisco C1121-4P comes with a 1 year limited hardware warranty and access to Cisco Technical Assistance Center (TAC) support services.
Post-warranty support is available through Cisco SMARTnet service contracts – 8x5xNBD or 24x7x4 options.
C1121-4P End of Life Policy
The Cisco C1121-4P follows Cisco’s standard End of Life Policy requiring 6 months notice for last time buy and 12 months notice for end of support. More details at Cisco EOL Policy
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