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Position：Home / Products / Routers / Cisco Routers / Cisco Router ISR 2900

  • C2921-CME-SRST/K9
  • C2921-CME-SRST/K9

C2921-CME-SRST/K9

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Overview

C2921-CME-SRST/K9 is a Cisco 2921 router bundled with Voice Bundle w/PVDM3-16, FL-CME-SRST-25, UC License PAK.

When Unified CME is used in SRST mode, it provides more call processing features for the IP phones than those are available with the SRST feature on a router. In addition, to the SRST features such as call preservation, auto-provisioning, and failover, Unified CME in SRST mode also provides most of the Unified CME telephony features for the SCCP phones, including:

☆ Paging
☆ Conferencing
☆ Hunt groups
☆ Basic automatic call distribution (B-ACD)
☆ Call park, call pickup, call pickup groups
☆ Overlay-DN, softkey templates
☆ Cisco IP Communicator
☆ Cisco Unified Video Advantage
☆ Integration with Cisco Unity with MWI support at remote sites, with distributed Microsoft Exchange or IBM Lotus Domino server

Quick Specs

Table 1 shows the Quick Specs of the C2921-CME-SRST/K9.

Product Code

C2921-CME-SRST/K9

Bundle

2921 Voice Bundle w/ PVDM3-32,FL-CME-SRST-25, UC License PAK

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

Product Details

Figure 1 shows the front panel of the Cisco 2921 router with ports and LEDs. C2921-CME-SRST/K9 is similar with it.

cisco2921 front panel

Note:

①

AC OK

④

Optional RPS adapter(blank panel shown)

②

On/Off switch

⑤

LEDs area

③

AC power connector

Figure 2 shows the back panel of the Cisco 2921 router. C2921-CME-SRST/K9 is similar with it.

cisco2921 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 3 shows some recommended modules for this router.

Models

Description

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 vb 
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 Routers

Table 4 shows the comparison between CISCO2921/K9 and C2921-CME-SRST/K9.

Model

CISCO2921/K9

C2921-CME-SRST/K9

Bundle

N/A

2921 Voice Bundle w/ PVDM3-32,FL-CME-SRST-25, UC License PAK

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

2U

2U

Get more information

Do you have any question about the C2921-CME-SRST/K9 router

Contact us now via Live Chat or Contact@huatenmax.com.

Specification

C2921-CME-SRST/K9 Specifications

Manufacturer

Cisco Systems, Inc

Manufacturer Part Number

C2921-CME-SRST/K9

Product Type

Router

Bundle

2921 Voice Bundle w/ PVDM3-32,FL-CME-SRST-25, UC License PAK

Form Factor

External - modular - 2U

Dimensions (W x D x H)

47 cm x 43.8 cm x 8.9 cm

Weight

13.2 kg

DRAM Memory

512 MB (installed) / 2 GB (max)

Flash Memory

256 MB (installed) / 8 GB (max)

Routing Protocol

OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM, IGMPv3, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing

Data Link Protocol

Ethernet, Fast Ethernet, Gigabit Ethernet

Network / Transport Protocol

IPSec

Remote Management Protocol

SNMP, RMON

Digital Ports Qty

32

Features

MPLS support, Syslog support, IPv6 support, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED)

Compliant Standards

IEEE 802.1ah, IEEE 802.1ag

Power

AC 120/230 V ( 50/60 Hz )
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