Chapter 1: Routing 1-7
Routing
- Enhanced architecture delivers a new packet-processing engine optimized for video and rich-media
applications, while concurrently supporting packet voice
- Enables scaling of high-definition (HD) voice capacity and is optimized for enhanced video capabilities
- Supports full suite of medianet features
• Innovative universal-serial-bus (USB)-based console access
- A new, innovative, mini-B USB console port supports management connectivity when traditional serial
ports are not available.
- Traditional console and auxiliary ports are also available.
• Optional integrated power supply for distribution of PoE and universal DC power supply
- An optional upgrade to the internal power supply provides inline power (802.3af-compliant PoE, Cisco
ePoE, and Cisco Inline Power) to optional integrated switch modules.
- An optional DC power supply that extends possible deployment environments such as central offices and
industrial environments will be available in the future.
• Optional integrated redundant power supply (RPS) and PoE boost
- Power redundancy is available by installing an optional integrated RPS, thereby decreasing network
downtime and protecting the network from power-supply failures.
- When populated with dual integrated power supplies, the Cisco 3900 Series can operate in a configurable
PoE boost mode in lieu of redundant power mode whereby the power capacity of the platform is
increased to almost twice the normal power to support additional PoE ports.
• Designed for flexible deployments
- The Cisco 3945 and 3925 are designed for Network Equipment Building Systems (NEBS) environments.
Specifications
Services and Slot Density Cisco 3945E Cisco 3925E Cisco 3945 Cisco 3925
Embedded hardware-based cryptography
acceleration (IPSec + Secure Sockets Layer
[SSL])
Yes Yes Yes Yes
Cisco Unified Communications Manager
Express Sessions
450 400 350 250
Cisco Unified SRST sessions
1500 1350 1200 730
Cisco Unified Border Element sessions
2500 2100 950 800
Total onboard WAN or LAN 10/100/1000
ports
4433
RJ-45-based ports
4433
SFP-based ports
2222
Service-module slots
4242
Doublewide service-module slots
1111
EHWIC slots
3344
Doublewide EHWIC slots
1122
ISM slots
0011
Online insertion and removal (OIR)
Services
modules
Services
modules
Services
modules
Services
modules
Onboard DSP (PVDM3) slots
3344
Memory DDR2 ECC DRAM: Default
1 GB 1 GB 1 GB 1 GB
Memory DDR2 ECC DRAM: Maximum
2 GB 2 GB 2 GB 2 GB
Compact Flash (external): Default
Slot 0: 256 MB
Slot 1: None
Slot 0: 256 MB
Slot 1: None
Slot 0: 256 MB
Slot 1: None
Slot 0: 256 MB
Slot 1: None
Compact Flash (external): Maximum
Slot 0: 4 GB
Slot 1: 4 GB
Slot 0: 4 GB
Slot 1: 4 GB
Slot 0: 4 GB
Slot 1: 4 GB
Slot 0: 4 GB
Slot 1: 4 GB
External USB 2.0 slots (Type A)
2222
USB console port (Type B) (up to 115.2 kbps)
1111
Serial console port (up to 115.2 kbps)
1111
Serial auxiliary port (up to 115.2 kbps)
1111
Power-supply options
Internal: AC, PoE,
and DC
Internal: AC, PoE,
and DC
Internal: AC, PoE,
and DC
Internal: AC, PoE,
and DC
Redundant power supply
Internal: AC, PoE,
and DC
Internal: AC, PoE,
and DC
Internal: AC, PoE,
and DC
Internal: AC, PoE,
and DC
(6 Seiten)
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