Datasheet

Data Sheet
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Availability The Cisco 3800 Series minimizes downtime with a wide variety of availability features.
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The Cisco 3845 supports internal redundant power with any combination of the three supported power supplies - AC,
AC-IP & DC. When redundancy for PoE is required, only the combination of two AC-IP power supplies with
integrated inline power is supported.
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The Cisco 3825 support external redundant power supplies - RPS2300 and RPS675
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Error checking and correcting (ECC) memory for improved fault isolation and correction
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USB flash memory for ease of image recovery
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Advance temperature monitoring and variable-speed cooling fans
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Cisco IOS Software Warm Reboot for improved bootup times
Network-module online insertion and removal (OIR), and field-replaceable components such as fan tray, motherboard,
and power supplies (Cisco 3845 only)
* Payload encryption is not supported on models with part number C3825-NOVPN and C3845-NOVPN.
Product Architecture
Table 2 lists the features of the Cisco 3825 and 3845 Integrated Services Routers.
Table 2. Features of Cisco 3825 and Cisco 3845 Models
Cisco 3800 Series Features Cisco 3825/3825-NOVPN Cisco 3845/3845-NOVPN
Network-module slots: These slots can accommodate a standard
network module, enhanced network module (NME), enhanced
extended network module (NME-X), and high-density extension
module (EVM-HD). The NME-X, when available, will have a wider form
factor than the NME. You can combine two side-by-side NME slots to
accommodate one double-wide network module (NMD) or when
available, a double-wide enhanced extended network module (NME-
XD).
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NM
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NME
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NME-X
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NMD
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NME-XD
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EVM-HD
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NM
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NME
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NME-X
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NMD
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NME-XD
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EVM-HD
Maximum number of network modules, NMEs, and NME-Xs
supported
2 4
Maximum number of NMD/NME-XDs supported 1 2
Maximum number of EVM-HDs supported 1 2
Number of HWIC slots (These HWIC slots also support VICs, VWICs,
and WICs.)
4 4
Number of fixed LAN ports (fixed RJ-45 port for 10/100/1000
connectivity)
2 Gigabit Ethernet (10/100/1000) 2 Gigabit Ethernet (10/100/1000)
Number of fixed Small Form-Factor Pluggable (SFP) ports (for SFP
Gigabit Ethernet connectivity)
1 1
Number of AIM slots (for optional AIMs for offloading compute-
intensive features)
2 2
Number of PVDM slots (for optional PVDM2s) 4 4
Number of USB 1.1 ports (for future use with USB flash memory,
security tokens for secure Cisco IOS Software configuration
distribution, and off-platform storage of VPN credentials)
2 2
Embedded VPN (hardware-based VPN encryption acceleration) Yes* Yes*
Number of console ports (up to 115.2 kbps) 1 1
Number of auxiliary ports (up to 115.2 kbps) 1 1
Memory: External Compact Flash and internal double-data-rate
(DDR) synchronous dynamic RAM (SDRAM) with ECC**
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Default: 128-MB Compact
Flash; 512-MB DDR SDRAM
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Maximum: 512-MB Compact
Flash; 1-GB DDR SDRAM
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Default: 128-MB Compact
Flash; 512-MB DDR SDRAM
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Maximum: 512-MB Compact
Flash; 1-GB DDR SDRAM
* Part numbers C3825-NOVPN and C3845-NOVPN do not support embedded VPN.
**Advance IOS feature sets may require additional memory. Please check Dynamic Configurator Tool or Cisco Software Advisor for
memory requirements.