Specifications: cisco2921/k9 Router
Cisco 2921 w/3 GE,4 EHWIC,3 DSP,1 SM,256MB CF,512MB DRAM,IPB
Cisco 2900 Integrated Services Router Product Specifications
Cisco 2901 | Cisco 2911 | Cisco 2921 | Cisco 2951 | |
Services and Slot Density | ||||
Embedded Hardware-Based Cryptography and Acceleration | Yes | Yes | Yes | Yes |
Cisco Unified SRST Sessions | 35 | 50 | 100 | 250 |
Cisco Unified CCME Sessions | 35 | 50 | 100 | 150 |
Total Onboard WAN 10/100/1000 Ports | 2 | 3 | 3 | 3 |
RJ-45-Based Ports | 2 | 3 | 3 | 3 |
SFP-Based Ports (use of SFP port disables the corresponding RJ-45 port) | 0 | 0 | 1 | 1 |
Service Module Slots | 0 | 1 | 1 | 2 |
Double-Wide Service Module Slots (use of a double-wide slot will occupy all single-wide service module slots in a 2900) | 0 | 0 | 1 | 1 |
EHWIC Slots | 4 | 4 | 4 | 4 |
Double-Wide EHWIC Slots (use of a double-wide EHWIC slot will consume two EHWIC slots) | 2 | 2 | 2 | 2 |
ISM Slots | 1 | 1 | 1 | 1 |
Onboard DSP (PVDM) Slots | 2 | 2 | 3 | 3 |
Memory DDR2 ECC DRAM - Default | 512 MB | 512 MB | 512 MB | 512 MB |
Memory (DDR2 ECC DRAM) - Maximum | 2 GB | 2 GB | 2 GB | 2 GB |
Compact Flash (External) - Default | slot 0: 256 MB slot 1: none | slot 0: 256 MB slot 1: none | slot 0: 256 MB slot 1: none | slot 0: 256 MB slot 1: none |
Compact Flash (External) - Maximum | slot 0: 4 GB slot 1: 4 GB | slot 0: 4 GB slot 1: 4 GB | slot 0: 4 GB slot 1: 4 GB | slot 0: 4 GB slot 1: 4 GB |
Product Specifications of CISCO2921/K9 Integrated Services Router
| General Information | |
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | CISCO2921/K9 |
| Manufacturer Website Address | |
| Brand Name | Cisco |
| Product Series | 2900 |
| Product Model | 2921 |
| Product Name | 2921 Integrated Services Router |
| Product Type | Multi Service Router |
| Interfaces/Ports | |
| Number of Ports | 3 |
| Gigabit Ethernet Port | Yes |
| Interfaces/Ports | 3 x RJ-45 10/100/1000Base-T Network WAN |
| 2 x Type A USB | |
| 1 x Type B USB Management | |
| 1 x RJ-45 RS-232 Auxiliary Management | |
| 1 x RJ-45 RS-232 Console Management | |
| I/O Expansions | |
| Number of Expansion Slots | 12 |
| Expansion Slots | (4 Total) HWIC |
| (1 Total) SFP (mini-GBIC) | |
| (3 Total) PVDM | |
| (2 Total) Services Module | |
| (2 Total) CompactFlash (CF) Card | |
| Memory | |
| Standard Memory | 512 MB |
| Maximum Memory | 2.50 GB |
| Memory Technology | DRAM |
| Flash Memory | 256 MB |
| Physical Characteristics | |
| Compatible Rack Unit | 2U |
| Form Factor | Rack-mountable |
| Height | 3.5" |
| Width | 17.3" |
| Depth | 18.5" |
| Weight (Approximate) | 29.00 lb |