Description
Overview
The Cisco 1921 router, which memory and flash memory can not upgrade, is designed for branch offices.
Table 1 shows the quick specifications of CISCO1921 / K9.
| Product code | CISCO1921 / K9 |
| Rack Units | 1U |
| interfaces | 2 integrated 10/100/1000 Ethernet ports: GE0 / 0 and GE0 / 1 |
| Extension Location (s) | 2 Enhanced High Speed WAN Interface Card Slots (EHWIC) |
| RAM | 512 MB / 512 MB |
| Flash memory | 256 MB / 256 MB |
| Dimensions | 1.75×13.5×11.5 in. |
| Package Weight | 5.41Kg |
Recommended Cards
Cisco 1921 ISRs are highly modular platforms with multiple modules and card slots to provide connectivity and services for various branch network requirements.
Table 2 shows the recommended EHWIC, HWIC, and VWIC cards for this router.
| Maps | models | Description |
| On EHWIC
|
EHWIC-1GE-SFP-CU | Cisco 1900, 2900, 3900 EHWIC Router WAN Card EHWIC-1GE-SFP-CU |
| EHWIC-4ESG | Four Port Gigabit Base-Tx 10/100/1000 Ethernet Switch Interface Card for Cisco 1900 2900 3900 Routers | |
| HWIC
|
HWIC-2FE | HWIC High Speed Port Cisco Router Two WAN Interface Card |
| HWIC-1T | High Speed 1 Port WAN Interface Card Cisco Router WAN Interface Card | |
| HWIC-2T | WAN Serial Interface Card Cisco Router High Speed WAN Interface Card 2-Port | |
| VWICs
|
VWIC3-1MFT-T1 / E1 | Cisco Voice / WAN Card VWIC3-1MFT-T1 / E1 |
| VWIC3-2MFT-T1 / E1 | Cisco Voice / WAN Card VWIC3-2MFT-T1 / E1 | |
| VWIC3-1MFT-G703 | Cisco Voice and WAN T1 / E1 VWIC3-1MFT-G703 Interface Module | |
| VWIC3-2MFT-G703 | Cisco Voice / WAN Card VWIC3-2MFT-G703 |
Licenses
Cisco 1921 / K9 router supports ios technology package licenses.
Table 3 shows the models of these licenses.
| licenses | Description |
| L-SL-19-DATA-K9 | Cisco 1900 IOS License L-SL-19-DATA-K9 = PAK e-delivery data for Cisco 1900 |
| L-SL-19-SEC-K9 | Security Licenses for Cisco 1900 |
| L-SL-19-APP-K9 | AppX license with; Data and WAAS for the Cisco 1900 Series |
Compare Similar Routers
Table 4 shows the comparison between the Cisco 1921 router and the 1941 router.
| Model | CISCO1921 / K9 | CISCO1941 / K9 |
| Interface | W / 2 GE | 2 GE |
| EHWIC Slot | 2 | 2 |
| ISM Slot | 0 | 1 |
| Memory | 512 MB (installed) / 512 MB (max) | 512 MB (installed) / 2 GB (max) |
| Flash memory | 256 MB (installed) / 256 MB (max) | 256 MB (installed) / 8 GB (max) |
| Rack Unit | 1U | 2U |
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