Cisco 2921 Specs

1. Cisco 2921 Specs The Cisco 2921 router, supporting voice module, is designed for small offices. Cisco 2921 Specs Release Date: AC Input Voltage: Compact Flash (External) - Default: Maximum End-Point PoE Power Capacity with PoE Boost (Watts): Airflow: Temperature: 9,843 feet (3,000m ) Maximum Altitude : ISM Slots: Modular LAN Switchports (with optional PoE): Altitude: 13-OCT-2009 100 to 240 VAC auto ranging slot 0: 256 MB; slot 1: none 750 Back and Side to Front 32 to 77 F (0 to 25 C) 1 50 10,000 ft (3,000m) 24 to 60 Vdc, autoranging positive or negative slot 0: 4 GB; slot 1: 4 GB 32 to 86 F (0 to 30 C) 100 1 2 GB 3 No 1 AC; PoE; and DC 1 54.4/67.4 dBA 1 370 3.4 to 1.4A range (max AC power supply) n/a 3.5 x 17.25 x 18.5 in. (88.9 x 438.2 x 469.9 mm) Included 30 lb (13.6 kg) Cisco RPS 2300 4 N/A 100 34 lb (15.5 kg) 2 DC Input Voltage: Compact Flash (External) - Maximum: Temperature: 13,123 feet (4,000m) Maximum Altitude : Cisco Unified SRST Sessions: SFP-based ports (use of SFP port disables the corresponding RJ-45 port): Memory DDR2 ECC DRAM - Maximum: Onboard DSP (PVDM) Slots: Wall-Mount (refer to installation guide for approved orientation): Double-Wide Service Module Slots: Power Supply: Serial console port: Acoustic: Sound Pressure (Typical/Maximum): USB Console port (Type B) (up to 115.2 kbps) 1: Maximum Power with PoE Power Supply (Platform Only) (Watts): AC Input Current: Maximum Power with DC-PoE Power Supply (Platform Only) (Watts): Dimensions (H x W x D): Rack Mounting Kit: Weight with AC PoE Power Supply (No Modules): RPS Support (External): EHWIC Slots: Short-Term (per NEBS) Humidity : Cisco Unified CCME Sessions: Typical Weight Fully Configured : External USB 2.0 Flash Memory Slots (Type A):

2. AC Input Surge Current: Integrated WAN Ports: Non-Operating Temperature: Relative Humidity: Acoustic: Sound Power (Typical/Maximum): Temperature: Short-Term (per NEBS) 5906 feet (1,800m) Maximum Altitude: Temperature: 5,906 feet (1,800m) Maximum Altitude : Non-Operating Relative Humidity: Maximum End-Point PoE Power Available from DC PoE Power Supply (Watts): Weight with AC Power Supply (No Modules): Serial auxiliary port: Embedded Hardware-Based Cryptography and Acceleration: RJ-45-based ports: Optional Airflow Kit: Memory DDR2 ECC DRAM - Default: Typical Power (No Modules) (Watts): DC Input Current: Total onboard WAN 10-100-1000 Ports: Rack-Mount 19 in. (48.3 cm) EIA: AC Input Frequency: Double-Wide EHWIC Slots: Service Module Slots: Rack Units: Non-Operating Altitude: Maximum End-Point PoE Power Available from AC PoE Power Supply (Watts): Maximum Power with AC Power Supply (Watts): < 50A 3 GE; (1 SFP) -40 to 158 F (-40 to 70 C) 10 to 85% 62.6/74.5 dBA n/a 32 to 104 F (0 to 40 C) 5 to 95% n/a 29 lb (13.2 kg) 1 Yes 3 n/a 512 MB 60 (MAX) 12A (24V); 5A (60V) 3 Optional 47 to 63 Hz 2 1 2 RU 15,000 ft (4,570m) 280 320 Cisco 2921/K9 supports expansion functions with modules and cards ① ② ③ ④ ⑤ ⑥ Compact flash 0 and 1 (0, right) EHWIC 0,1,2 and 3 (0, far right) USB serial port RJ-45 serial console port AUX port SFP ⑦ ⑧ ⑨ ⑩ ⑪ 10/100/1000 Ethernet port (GE 0/1 and GE 0/2) 10/100/1000 Ethernet port GE 0/0 Ground USB 0 and 1 (1, top) Service module slots

3. Cisco 2921 VS Huawei Vendor Product CISCO CISCO2921 Cisco 2921 w/3 GE,4 EHWIC,3 DSP,1 SM,256MB CF,512MB DRAM,IPB Description Huawei Advantages Forwarding performance：1Mpps vs. 479Kpps IO Slots: 2 WSIC vs. 1 SM hot-swappable interface card 3GE WAN(1GE Combo), 2 USB, 4 SIC, 2 WSIC, 1 DSP Slot, 150W Power HUAWEI AR2220 Source:http://www.cisco.com/c/en/us/products/routers/2921-integrated-services-router-isr/index.html From https://howcisco.wordpress.com/