Fast & Secure
C1921-3G-U-K9 Overview
C1921-3G-U-K9 is the C1921 Quad-band 3G EHWIC Global Bundles. The Cisco 1921 Router, which Memory and Flash Memory can’t upgrade, is designed for branch offices.
Quick Specs
Figure 1 shows the front view of Cisco Router 1921/K9 for reference.
Table 1 shows the Quick Specs.
| Product Code | C1921-3G-U-K9 |
| Type | C1921 Quad-band 3G EHWIC Global Bundles |
| Rack Units | 1U |
| Interfaces | 2 integrated 10/100/1000 Ethernet ports: GE0/0&GE0/1 |
| Expansion Slot(s) | 2 enhanced High-Speed WAN Interface Card (EHWIC) slots |
| RAM | 512 MB/512 MB |
| Flash Memory | 256 MB/256 MB |
| Dimensions | 1.75 x 13.5 x 11.5 in. |
Product Details
Figure 2 shows the statue LEDs, on the front panel of the 1921/K9 for reference, including three statues: SYS, ACT and PoE.
Figure 3 shows the ports and slots on the back panel of Cisco 1921/K9 for reference.
Note:
EHWIC slot USB serial port
Auxiliary port RJ-45 serial console port
GE 0/0downand 0/1(up) USB port
Input power connector POE
* Cisco 1921/K9 supports 1 integrated EHWIC slots for flexible configurations. It supports two modules:
1. 1 double wide HWIC-Dsingle wide EHWIC/HWIC module2 single wide EHWIC/HWIC module.
2. High-speed USB 2.0 ports enable another mechanism secure token capabilities and storage.
Recommended Cards and Licenses
| Category | Models | Description |
| EHWIC | EHWIC-1GE-SFP-CU | Cisco 1900, 2900, 3900 Router EHWIC WAN Card EHWIC-1GE-SFP-CU |
| EHWIC-4ESG | Four port 10/100/1000 Base-TX Gigabit Ethernet switch interface card for Cisco 1900 2900 3900 Routers | |
| HWIC | HWIC-2FE | HWIC two routed port Cisco Router High-Speed WAN Interface card |
| HWIC-1T | 1-Port Serial WAN Interface Card Cisco Router High-Speed WAN Interface card | |
| HWIC-2T | 2-Port Serial WAN Interface Card Cisco Router High-Speed WAN Interface card | |
| VWIC | 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 & WAN T1/E1 interface moudle VWIC3-1MFT-G703 | |
| VWIC3-2MFT-G703 | Cisco Voice/WAN Card VWIC3-2MFT-G703 | |
| Licenses | L-SL-19-DATA-K9 | Cisco 1900 IOS License L-SL-19-DATA-K9 Data E-Delivery PAK for Cisco 1900 |
| L-SL-19-SEC-K9 | Security License for Cisco 1900 | |
| L-SL-19-APP-K9 | AppX License with; DATA and WAAS for Cisco 1900 Series |
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