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Product Description

3945 with 4x 10/100/1000, C3900-SPE250/K9, 3x EHWIC, 3x DSP, 4x SM, 256MB CF, 1 GB DRAM, IP Base

The Cisco 3945E Integrated Services Router (ISR) delivers highly secure data, voice, video, and application services to large branch offices.

Cisco 3945E features include:
- Modular Services Performance Engine (SPE) 250 for even higher performance as WAN environments evolve;
- 4 integrated 10/100/1000 Ethernet ports with 2 SFP ports;
- 4 service module slots;
- 3 Enhanced High-Speed WAN Interface Card slots;
- 3 onboard digital signal processor (DSP) slots.

Power
- Dual integrated power supplies;
- Fully integrated power distribution to modules supporting 802.3af Power over Ethernet (PoE)'
- A universal IOS image helps you deploy new IOS services quickly.

Security
- Embedded hardware-accelerated VPN encryption for secure connectivity;
- Integrated threat control using Cisco IOS Firewall, Zone-Based Firewall, IPS, and Content Filtering.
- Identity management using authentication, authorization, and accounting (AAA) and public key infrastructure.

Unified Communications
- High-density packet voice DSP module, optimized for voice and video support;
- Standards-certified VoiceXML browser services;
- Cisco Unified Border Element capabilities for up to 2500 sessions;
- Support for Cisco Unity Express voicemail, Cisco Communications Manager Express, and Survivable Remote Site Telephony.


WAN connection
Ethernet WAN Yes
Network
Full duplex Yes
Ethernet LAN data rates 10,100,1000 Mbit/s
Cabling technology 10/100/1000Base-T(X)
Ethernet LAN Yes
Ethernet interface type Gigabit Ethernet
Networking standards IEEE 802.1Q, IEEE 802.1ag, IEEE 802.3
Management features
Web-based management No
Ports & interfaces
USB ports quantity 2
USB version 2.0
Installed SFP modules quantity 2
Ethernet LAN (RJ-45) ports 4
Protocols
Supported protocols IPv4, IPv6, OSPF, EIGRP, BGP, IS‑IS, IGMPv3, PIM SM, SSM, DVMRP, IPv4-to-IPv6 Multicast, MPLS, VPN, IPSec, L2TPv3, BFD, IEEE802.1ag, and IEEE802.3ah
Supported network protocols IPSec
Routing protocols BGP, EIGRP, IGRP, IS-IS, OSPF
Switching protocols MPLS
DHCP client No
DHCP server No
Security
Filtering description Content
Security algorithms IPSEC, SSL/TLS
Technical details
Harmonized System (HS) code 85176990
Features
Electromagnetic compatibility 47 CFR, Part 15, ICES-003 Class A, EN55022 Class A, CISPR22 Class A, AS/NZS 3548 Class A, VCCI V-3, CNS 13438, EN 300-386, EN 61000 (Immunity), EN 55024, CISPR 24, EN50082-1
Safety UL 60950-1, CAN/CSA C22.2 No. 60950-1, EN 60950-1, AS/NZS 60950-1, IEC 60950-1
Internal memory 1024 MB
Flash memory 256 MB
Design
On/off switch Yes
Rack capacity 3U
Rack mounting Yes
Product colour Black
Power
Input current 7.1 A
AC input frequency 47 - 63 Hz
AC input voltage 100 - 240 V
Power source type AC
Power consumption (typical) 158 W
Operational conditions
Non-operating altitude 0 - 4750 m
Operating altitude 0 - 4000 m
Storage relative humidity (H-H) 5 - 95%
Operating relative humidity (H-H) 5 - 85%
Storage temperature (T-T) -40 - 70 °C
Operating temperature (T-T) 0 - 40 °C
Weight & dimensions
Weight 27.2 kg
Height 133.3 mm
Depth 476.2 mm
Width 438.1 mm