Device Type: Modular Integrated Services Router (ISR G2)
Model / SKU: Cisco 2911 (CISCO2911/K9, C2911-AX/K9, C2911-SEC/K9, etc.)
Form Factor: 2 RU rack-mount (44.5 x 438.2 x 304.8 mm); approx. 8.16 kg with AC PSU (without modules)
Onboard WAN Ports: 3x 10/100/1000 Gigabit Ethernet (RJ-45)
Expansion Slots: 4x EHWIC slots (2 double-wide), 1x ISM slot, 1x Service Module slot, 2x PVDM DSP slots
Default Memory: 512 MB DDR2 ECC DRAM / 256 MB Compact Flash
Max Memory: 2 GB DRAM / 4 GB Flash (Slot 0)
Voice/Unified Communications: Supports Cisco Unified SRST and CCME for up to 50 sessions
Security: Embedded hardware encryption acceleration (IPSec + SSL) onboard
Power Supply: Internal AC (100–240V); optional PoE AC (PWR-2911-POE) or DC (PWR-2911-DC) variants
Operating Temperature: 0°C to 40°C (32°F to 104°F)
Key Specs: Cisco 2911 Modular ISR G2, 3x Gigabit Ethernet, 4x EHWIC + 1x ISM + 1x SM + 2x PVDM Slots, 512MB DRAM / 256MB Flash (Default), Hardware Encryption (IPSec/SSL), Supports SRST/CCME (50 Sessions), Internal AC PSU (PoE/DC Optional), 2RU Rackmount
Usage: Secure data, voice, and video routing for small-to-medium branch offices; supports concurrent services (firewall, VPN, IPS) and optional integrated voice gateway/call processing via PVDM DSP modules and EHWIC voice cards.
