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
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:
①
AC OK
④
Optional RPS adapter(blank panel shown)
②
On/Off switch
⑤
LEDs area
③
AC power connector
Figure 3 show the expansion slots and ports on the back panel.
Note:
①
Compact flash 0 and 1 (0, right)
⑦
10/100/1000 Ethernet port (GE 0/1 and GE 0/2)
②
EHWIC 0,1,2 and 3 (0, far right)
⑧
10/100/1000 Ethernet port GE 0/0
③
USB serial port
⑨
Ground
④
RJ-45 serial console port
⑩
USB 0 and 1 (1, top)
⑤
AUX port
Service module slots
⑥
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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