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Overview
Specs
Product Number | CISCO2921-HSEC+/K9 |
Manufacturer | CISCO |
Height in Rack Units | 2U |
Network Interfaces | Three 10/100/1000 Mbps Ethernet ports (RJ-45) |
Service Module Slots | Two slots available |
Internal Service Module Slot | One slot available |
Digital Signal Processor Slots | Three slots on board |
EHWIC Slots | Four slots for Enhanced High-Speed WAN Interface Cards |
VPN Bundle | VPN ISM module HSEC package for 2921 ISR series |
Chassis Type | Modular rack-mountable - 2U |
Network Connection | Wired |
Supported Network Protocols | Ethernet, Fast Ethernet, Gigabit Ethernet |
Power Supply Type | Internal |
Power Requirements | AC 120/230 V (50/60 Hz) |
Width | 17.2 inches (47 cm) |
Depth | 18.5 inches (43.8 cm) |
Height | 3.5 inches (8.9 cm) |
Operational Temperature Range | 32 °F to 104 °F |
Operational Humidity Range | 10% to 85% |
Initial DRAM Size | 512 MB DDR2 SDRAM |
Maximum DRAM Size | 2 GB DDR2 SDRAM |
Initial Flash Storage | 256 MB |
Maximum Flash Storage | 8 GB |
Indicator Lights | Link activity, power |
CISCO2921-HSEC+/K9
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Product Description
The CISCO2921-HSEC+/K9 is a wired, rack-mountable modular networking device, occupying 2U of rack space, designed for high-performance Ethernet networking with 3 integrated 10/100/1000 Ethernet ports (RJ-45 only). It features extensive expansion capabilities including 2 service module slots, 1 Internal Service Module slot, 3 onboard digital signal processor slots, and 4 Enhanced high-speed WAN interface card (EHWIC) slots. The device supports a VPN ISM module HSEC bundle for the 2921 ISR platform, has an internal power supply requiring AC 120/230 V (50/60 Hz), and includes 512 MB of DDR2 SDRAM memory (expandable to 2 GB) and 256 MB of flash memory (expandable to 8 GB).FAQs for the CISCO2921-HSEC+/K9
- What are the dimensions of the 2921 ISR platform?
The dimensions are 17.2 inches in width, 18.5 inches in depth, and 3.5 inches in height. - How many Ethernet ports are available on this device?
There are 3 integrated 10/100/1000 Ethernet ports (RJ-45 only). - Can you expand the memory on this model?
Yes, the DRAM memory comes with 512 MB installed and can be expanded up to 2 GB. Flash memory starts at 256 MB and can be increased to 8 GB. - What expansion capabilities does it offer?
It includes 2 service module slots, 1 Internal Service Module slot, 3 onboard digital signal processor slots, and 4 Enhanced high-speed WAN interface card (EHWIC) slots. - What power requirements does the device have?
It requires an AC 120/230 V power supply, operating at 50/60 Hz. - What is the operating temperature range?
The operating temperature ranges from 32 °F to 104 °F. - Does it support VPN?
Yes, it includes a VPN ISM module HSEC bundle for enhanced security. - What is the rack unit size of this device?
The device is 2U rack-mountable. - What type of connectivity technology does it use?
It utilizes wired connectivity technology, supporting Ethernet, Fast Ethernet, and Gigabit Ethernet protocols. - What are the humidity requirements for operating this device?
The operating humidity range is from 10% to 85%.
Product Review
The CISCO2921-HSEC+/K9 offers a flexible networking solution with its 3 integrated Gigabit Ethernet ports and extensive expansion capabilities, including 2 service module slots, 1 Internal Service Module slot, 4 EHWIC slots, and 3 DSP slots, catering to a variety of networking needs. However, the unit's 2U rack size and internal power supply requirement may limit installation options for environments with space constraints or specific power configuration needs. Additionally, the initial DRAM and flash memory capacities of 512 MB and 256 MB, respectively, might necessitate upgrades to achieve optimal performance for more demanding applications, despite the support for expansion.
Overview
Specifications
Product Number | CISCO2921-HSEC+/K9 |
Manufacturer | CISCO |
Height in Rack Units | 2U |
Network Interfaces | Three 10/100/1000 Mbps Ethernet ports (RJ-45) |
Service Module Slots | Two slots available |
Internal Service Module Slot | One slot available |
Digital Signal Processor Slots | Three slots on board |
EHWIC Slots | Four slots for Enhanced High-Speed WAN Interface Cards |
VPN Bundle | VPN ISM module HSEC package for 2921 ISR series |
Chassis Type | Modular rack-mountable - 2U |
Network Connection | Wired |
Supported Network Protocols | Ethernet, Fast Ethernet, Gigabit Ethernet |
Power Supply Type | Internal |
Power Requirements | AC 120/230 V (50/60 Hz) |
Width | 17.2 inches (47 cm) |
Depth | 18.5 inches (43.8 cm) |
Height | 3.5 inches (8.9 cm) |
Operational Temperature Range | 32 °F to 104 °F |
Operational Humidity Range | 10% to 85% |
Initial DRAM Size | 512 MB DDR2 SDRAM |
Maximum DRAM Size | 2 GB DDR2 SDRAM |
Initial Flash Storage | 256 MB |
Maximum Flash Storage | 8 GB |
Indicator Lights | Link activity, power |