Fast & Secure
CISCO2921-V/K9 Overview
The Cisco 2921 router, supporting voice module, is designed for small offices. CISCO2921-V/K9 include Voice Bundle.
Quick Specs
Figure 1 shows the appearance of the CISCO2921-V/K9.
Table 1 shows the Quick Specs of the CISCO2921-V/K9.
| Product Code | CISCO2921-V/K9 |
| Voice Bundle | High-density-packet voice DSP module, optimized for voice and video support Standards-certified VoiceXML browser services Cisco Unified Border Element capabilities Cisco Unity Express voicemail support Support for Cisco Communications Manager Express and Survivable Remote Site Telephony |
| Rack Units | 2U |
| Interfaces | 3 integrated 10/100/1000 Ethernet ports (RJ-45 only) |
| Expansion Slot(s) | 2 service module slot
1 Internal Service Module slot 3 onboard digital signal processor slots 4 Enhanced high-speed WAN interface card (EHWIC) slots |
| RAM | 512 MB (installed) / 2 GB (max) |
| Flash Memory | 256 MB (installed) / 8 GB (max) |
| Dimensions | 47 cm x 43.8 cm x 8.9 cm |
| Package Weight | 17.2 Kg |
Product Details
Figure 2 shows the front panel of the CISCO2921-V/K9.
Note:
| AC OK | Optional RPS adapter(blank panel shown) | ||
| On/Off switch | LEDs area | ||
| AC power connector |
Figure 3 show the expansion slots and ports on the back panel.
Note:
| Compact flash 0 and 1 (0, right) | 10/100/1000 Ethernet port (GE 0/1 and GE 0/2) | ||
| EHWIC 0,1,2 and 3 (0, far right) | 10/100/1000 Ethernet port GE 0/0 | ||
| USB serial port | Ground | ||
| RJ-45 serial console port | USB 0 and 1 (1, top) | ||
| AUX port | Service module slots | ||
| SFP |
Modularity Features
Table 2 shows some recommended models for this router.
| Models | Description |
|
SM-ES3G-16-P |
Enhanced EtherSwitch Service Module, L2/L3 switching, 16* 10/100/1000 GE ports, Enhanced POE, Cisco EnergyWise technology |
|
SM-ES3G-24-P |
Enhanced EtherSwitch Service Module, L2/L3 switching, 24 * 10/100/1000 GE ports, Enhanced POE, Cisco EnergyWise technology |
|
HWIC-2T |
2-Port Serial WAN Interface Card Cisco Router High-Speed WAN Interface card |
|
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 |
|
ISM-SRE-300-K9 |
Internal Services Module (ISM) with Services Ready Engine |
|
MEM-CF-256U1GB |
256MB to 1GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
|
MEM-CF-256U2GB |
256MB to 2GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
|
MEM-CF-256U512MB |
256MB to 512MB CF Upgrade for Cisco 1900,2900,3900 ISR |
|
MEM-CF-256U4GB |
256MB to 4GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
|
MEMUSB-1024FT |
1GB USB Flash Token |
Compare to Similar Item
Table 4 shows the comparison between CISCO2921/K9 and CISCO2921-V/K9.
| Model |
CISCO2921/K9 |
CISCO2921-V/K9 |
| Bundle | None | Voice |
| Interface | 3GE | 3GE |
| EHWIC slot | 4 | 4 |
| SIM Slot | 1 | 1 |
| SFP | 1 | 1 |
| Memory | 512MB (installed) / 2 GB (max) | 512MB (installed) / 2 GB (max) |
| Flash Memory | 256MB (installed) / 8 GB (max) | 256MB (installed) / 8 GB (max) |
| Rack Unit | 2 U | 2 U |
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