Cisco 3945 Slots

General

1. Oct 13, 2009 Cisco 1861 and Cisco 2800, 3800, 2900, 3900, and 3900E Series Integrated Services Router Interoperability with Cisco Unified Communications Manager Data Sheet (PDF - 1 MB) Cisco ISR & ASR Application Experience Routers Ordering Guide (PDF - 158 KB).
2. C3900-SPE150/K9 is the Cisco Services Performance Engine 150 for Cisco 3945 ISR. The Cisco 3900 Series offers field-replaceable Cisco Services Performance Engine (SPE). These SPEs allow you to protect your initial investment in the Cisco 3900 platform for a longer time period and scale router performance as your network and branch-office needs.
3. The Cisco 3900 Series does not support the use of different DRAM densities in the two available DIMM slots or the use of only one slot. The memory type and SKUs are shared between Cisco 3925 and Cisco 3945 as listed in Table 3. Here is the link to it.

Cisco 3945 Slot Numbering

. Three integrated EHWIC slots on the Cisco 3945E and Cisco 3925E or four integrated EHWIC slots on the Cisco 3945 and Cisco 3925 allow for flexible configurations. . Three integrated EHWIC slots on the Cisco 3945E and Cisco 3925E or four integrated EHWIC slots on the Cisco 3945 and Cisco 3925 allow for flexible configurations.

Connectivity Slots

1. Oct 13, 2009 Cisco 1861 and Cisco 2800, 3800, 2900, 3900, and 3900E Series Integrated Services Router Interoperability with Cisco Unified Communications Manager Data Sheet (PDF - 1 MB) Cisco ISR & ASR Application Experience Routers Ordering Guide (PDF - 158 KB).
2. C3900-SPE150/K9 is the Cisco Services Performance Engine 150 for Cisco 3945 ISR. The Cisco 3900 Series offers field-replaceable Cisco Services Performance Engine (SPE). These SPEs allow you to protect your initial investment in the Cisco 3900 platform for a longer time period and scale router performance as your network and branch-office needs.
3. The Cisco 3900 Series does not support the use of different DRAM densities in the two available DIMM slots or the use of only one slot. The memory type and SKUs are shared between Cisco 3925 and Cisco 3945 as listed in Table 3. Here is the link to it.

Cisco 3945 Slot Numbering

. Three integrated EHWIC slots on the Cisco 3945E and Cisco 3925E or four integrated EHWIC slots on the Cisco 3945 and Cisco 3925 allow for flexible configurations. . Three integrated EHWIC slots on the Cisco 3945E and Cisco 3925E or four integrated EHWIC slots on the Cisco 3945 and Cisco 3925 allow for flexible configurations.

Connectivity Slots

Power Supply

Dimensions / Weight / Miscellaneous

Cisco 3945 Slots Codes

System Software

Enabling Enterprise Networks at the Branch

The Cisco 3945 Integrated Services Router (ISR) delivers highly secure data, voice, video, and application services to the small office. Key features include:

• Modular Services Performance Engine (SPE) 150, which can be upgraded for even higher performance as next-generation WAN environments evolve
• 3 integrated 10/100/1000 Ethernet ports with 2 ports capable of RJ-45 or SFP connectivity
• 4 service module slots
• 4 Enhanced High-Speed WAN Interface Card slots
• 4 onboard digital signal processor (DSP) slots
• 1 Internal Services Module slot
• Dual integrated power supplies
• Fully integrated power distribution to modules supporting 802.3af Power over Ethernet
• Security
  • Embedded hardware-accelerated VPN encryption for secure connectivity
  • Integrated threat control using Cisco IOS Firewall, Cisco IOS Zone-Based Firewall, Cisco IOS IPS, and Cisco IOS 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 1000 sessions
  • Cisco Unity Express voicemail support
  • Support for Cisco Communications Manager Express and Survivable Remote Site Telephony