Specifications
From The Manufacturer
Cisco – C1121-4P Router Specifications:
| Category | Specification |
| Operating Conditions | Temperature range: 0 to 40°C at sea level (derating one °C per 1000 feet above 40°C) |
| Altitude: Sea level to 10,000 feet (3048 meters) | |
| Minimum supported version (XE SD-WAN): 17.2.1 | |
| Memory Configurations | DRAM: 4 GB (8 GB for models C1111X-8P, C1121X-8P, C1126X, C1127X, C1161X) |
| Flash: 4 GB (8 GB for models C1111X-8P, C1121X-8P, C1126X, C1127X, C1161X) | |
| Console Ports | RJ45 port |
| Micro USB console (Type A) | |
| Non-operating Conditions | Temperature: -40°C to +70°C (-40°F to +158°F) |
| Altitude: 0 to 15,000 ft (0 to 4572 m) | |
| Humidity: 5% to 95% relative humidity (non-condensing) | |
| WLAN Interfaces | SU-MIMO: Transmits data to one client at a time (802.11n and 802.11ac Wave 1) |
| MU-MIMO: Transmits data to multiple 802.11ac Wave 2-capable clients simultaneously | |
| 802.11ac Wave 2 with 2×2:2 MIMO technology: Delivers 867 Mbps rates in both SU-MIMO and MU-MIMO modes | |
| Product Code | C1121-4P |
| Weight | 3.43 lb (1.55 kg) |
| Power Supply | AC input voltage range: 100 to 240 VAC (50 to 60 Hz) |
| Output voltage: 12 V DC | |
| Power output: 66W | |
| PoE and PoE+ power supply: At least 115W needed | |
| PoE output voltage: 53.5 VDC | |
| Dimensions | 1.65 x 10.80 x 7.85 in (H x W x D) |
| Software | Cisco IOS XE Programming: Widespread Cisco IOS XE 16.6.1 or later |
| Specific model support: C1112, C1113, C1101 (IOS XE 16.8.1 or later), C1118, C1111X-8P, C1109 (IOS XE 16.9.1 or later), C1120, C1160 (IOS XE 16.11.1 or later) | |
| Cisco Unified Wireless Network Software with AireOS Wireless Controllers: Release 8.5 (8.8 for 1101 and 1109 models from March 2019) MR1 or later | |
| USB 3.0 | USB devices supported: USB tokens and USB flash memory devices |
| USB 3.0 supports remote connection |
Product Datasheet









