• Cisco C2911-CME-SRST/K9 router with grid pattern and power button
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Cisco

Cisco C2911-CME-SRST/K9 | ISR 2911 Router, 3x GE, 4x EHWIC, CME/SRST Voice Bundle

C2911-CME-SRST/K9

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Description

The ISR 2911 is a second-generation Cisco Integrated Services Router built for small and midsize branch offices that need secure WAN connectivity and an on-site IP PBX in one 2RU chassis. This voice bundle is set up for Cisco Unified Communications Manager Express (CME) and Survivable Remote Site Telephony (SRST), so branch telephony can keep running if the link to a central Unified Communications Manager fails.

The router provides three onboard 10/100/1000 RJ-45 ports, four EHWIC slots (two of which are double-wide capable), one service module slot, one ISM slot and two onboard PVDM3 DSP slots for voice and video gateway functions. It supports up to 50 CME sessions or 50 SRST sessions. Default memory is 512 MB DDR2 ECC DRAM, expandable to 2 GB, with 256 MB of external Compact Flash expandable to 4 GB per slot. Embedded hardware-based cryptography acceleration is included, and Cisco IOS feature licences are required for the technology packages in use.

The chassis accepts EHWIC, HWIC, WIC, VIC and VWIC interface cards, along with PVDM3, service module and ISM modules. The internal AC supply covers 100 to 240 VAC, with optional PoE, DC and DC-PoE supplies and support for the external Cisco RPS 2300 for redundancy.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Integrated Cisco Unified Communications Manager Express (CME) for small-office IP PBX and key-system features
- Cisco SRST keeps branch telephony running if the WAN link to a central Unified Communications Manager fails
- Embedded hardware-based cryptography acceleration
- Four EHWIC slots that also accept HWIC, WIC, VIC and VWIC cards
- Onboard PVDM3 DSP slots for voice and video gateway functions
- Supports Cisco Unified Border Element and VoiceXML services
- USB console port alongside traditional serial console and auxiliary ports
- Optional external redundant power supply using the Cisco RPS 2300

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- WAN ports: 3x 10/100/1000 Ethernet (RJ-45)
- SFP-based ports: 0
- EHWIC slots: 4 (2 double-wide capable)
- Service module slots: 1
- ISM slots: 1
- Onboard DSP (PVDM3) slots: 2
- Cisco Unified CME sessions: up to 50
- Cisco Unified SRST sessions: up to 50
- Memory (DDR2 ECC DRAM): 512 MB default, 2 GB maximum
- External Compact Flash: 256 MB default (slot 0), 4 GB maximum per slot
- USB 2.0 Type A ports: 2
- Console ports: 1x USB (Type B), 1x serial, 1x serial auxiliary
- Power-supply options: AC, PoE and DC
- AC input: 100 to 240 VAC, 47 to 63 Hz
- Typical power (no modules): 50 W
- Maximum power with AC power supply: 210 W
- Dimensions (H x W x D): 88.9 x 438.2 x 304.8 mm (3.5 x 17.25 x 12 in.)
- Rack height: 2RU, 19-inch EIA mounting, 23-inch optional, wall-mount supported
- Weight with AC power supply (no modules): 8.2 kg (18 lb)
- Operating temperature (up to 1,800 m): 0 to 40 C
- Operating relative humidity: 5 to 85%
- Airflow: side to side (optional airflow kit for front to back)

FAQs

Q: What licensing does the ISR 2911 voice bundle need?
A: Cisco IOS Software feature licences are required for the technology packages in use, such as Data, Security and Unified Communications. CME and SRST are IOS-based features on the 2900 Series.

Q: How many phones or SRST sessions does it support?
A: It supports up to 50 Cisco Unified CME sessions and up to 50 Cisco Unified SRST sessions.

Q: What interface cards and modules does it accept?
A: The four EHWIC slots accept EHWIC, HWIC, WIC, VIC and VWIC cards. It also takes PVDM3 DSP modules, service modules and ISM modules.

Q: Can it be powered with PoE or DC, or made redundant?
A: The internal AC supply covers 100 to 240 VAC. Optional PoE, DC and DC-PoE supplies are available, and the external Cisco RPS 2300 is supported for redundancy.

Q: How much memory and storage can it hold?
A: It ships with 512 MB DDR2 ECC DRAM, expandable to 2 GB, and 256 MB of external Compact Flash, expandable to 4 GB per slot. Two USB 2.0 ports are also available for storage and security tokens.

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