Cisco C1121-4P Router


Cisco C1121 Router 4x1G Ports, 2WAN

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Cisco Data Center Solution


Cisco® 1000 Series Integrated Services Routers (ISRs) with Cisco IOS® XE Software combine Internet access, comprehensive security, and wireless services (LTE Advanced 3.0 wireless WAN and 802.11ac wireless LAN) in a single, high-performance device. The routers are easy to deploy and manage, with separate data and control plane capabilities.

Product Description ISR 1100 4P Dual GE SFP Router
Memory (default and maximum) DRAM: 4 GB
Only C1111X-8P,C1121X-8P,C1126X,C1127X, C1161X models have 8GB DRAM
Flash: 4 GB
Only C1111X-8P,C1121X-8P,C1126X,C1127X, C1161X models have 8GB Flash
Console Micro USB console (Type A).
Micro-USB port (reserved) Micro-USB port to support remote LTE diagnostics and monitoring tools (Qualcomm CAIT and Spirent UDM) (USB 3.0).
WLAN interfaces Multiuser Multiple-Input Multiple-Output (MU-MIMO) allows transmission of data to multiple 802.11ac Wave 2–capable clients simultaneously to improve the client experience. Prior to MU-MIMO, 802.11n and
802.11ac Wave 1 access points could transmit data to only one client at a time, typically referred to as Single-User MIMO (SU-MIMO).
802.11ac Wave 2 with 2×2:2 MIMO technology uses two spatial streams when operating in SU-MIMO or MU-MIMO mode, offering 867-Mbps rates for more capacity and reliability than competing access points.
Flexible deployment through the Mobility Express solution is ideal for small to medium-sized deployments. Easy setup allows the 1000 Series (similar to 1815i) to be deployed on networks without a physical controller.
For more information, view the Cisco Aironet 1815i Access Point Data Sheet
Maximum clients Maximum number of associated wireless clients: 200 per Wi-Fi radio; in total 400 clients per access point. C1109-4PLTEP and C1109-4PLTEW models come with default dual W-ANTM2050D-RPSMA external antenna and all modem have default 8.8 AP autonomous or Mobility Express release. Option to select 8.8 CAPWAP WLC image
Authentication and security AES for Wi-Fi Protected Access 2 (WPA2).
802.11r and 802.11i
802.11ac 2×2 SU-MIMO/MU-MIMO with two spatial streams.
Maximal Ratio Combining (MRC).
20-, 40-, and 80-MHz channels.
PHY data rates up to 866.7 Mbps (80 MHz on 5 GHz).
Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Rx).
802.11 Dynamic Frequency Selection (DFS).
Cyclic Shift Diversity (CSD) support
Software Cisco IOS Software feature set: Universal Cisco IOS XE 16.6.1 Software image or later. C1112, C1113, and C1101 models support starting with IOS XE 16.8.1 Software image or later. C1118, C1111X-8P and C1109 models support with IOS XE 16.9.1 Software image or later.
Cisco IOS Software feature set: C1120 and C1160 models Universal Cisco IOS XE 16.11.1 Software image or later.
Cisco Unified Wireless Network Software with AireOS Wireless Controllers Release 8.5 (migration to 8.8 starting March, 2019 and 8.8 for 1101 and 1109 Models) MR1 or later
Serial WAN interface and protocol Support for both synchronous and bisync modes.
Synchronous maximum speed of up to 8 Mbps.
Support for bisync modes.
Support for network clock synchronization.
EIA-232, EIA-449, EIA-530, EIA-530A, V.35, and X.21
Inline PoE Optional internal adapter for inline PoE on 4 switch ports for IP phones or external wireless access points; 802.3af-compliant PoE or 802.3at-compliant PoE+
USB 3.0 USB devices supported:
USB eTokens and USB flash memory
Devices USB 3.0 supports to be connected externally. View the USB Device Support Data Sheet
EDs WWAN (green/amber).
SIM status (green/amber).
Received signal strength indication (RSSI) bar (green).
3G/LTE service (green/amber).
GPS (green/amber).
Speed and link for Gigabit Ethernet WAN port (green).
Speed and link for all Fast Ethernet LAN ports (green).



Cisco Data Center Solution