The Cisco 3925/K9 router is a top choice for businesses requiring high-performance, reliable networking solutions. Its integrated services design can significantly reduce initial capital outlays by simplifying system architecture, and it allows for future upgrades, protecting investments as needs evolve. The modular Services Performance Engine offers scalability and ease of service, adapting to changes in the WAN environment without the need for a complete system replacement. This router’s robust memory capabilities ensure efficient data processing and storage, essential for growing enterprise demands.
Network security is a critical factor for any business, and the Cisco 3925 enhances protection with software and hardware security features, including firewall and VPN capabilities. The device’s energy-efficient design reduces operating costs by controlling power consumption without compromising performance. Multiple onboard interfaces accommodate a range of connectivity options, from Ethernet to Service Modules, providing versatility for a variety of applications.
The 3900 Series is known for its Service Integration, which adds to the device’s efficiency by consolidating multiple functions onto a single platform, reducing the number of devices needed in the network infrastructure. Cisco’s reputation for reliability is well-earned, and the 3925/K9 is no exception, offering high throughput, low latency, and exceptional service delivery.
Customer support and service are as important as the product itself. Northland Systems provides comprehensive support and services for Cisco products, assuring customers that help is available whenever needed. This additional service can be critical for organizations that require continuous uptime and minimum disruption. The Cisco 3925/K9 is therefore not only an investment in a quality piece of hardware; it is also a commitment to a smooth and secure networking experience for years to come.
The Cisco 3925 router, modular Services Performance Engine (SPE) 100, which can be upgraded for even higher performance as next-generation WAN environments evolve.
Quick Specs
Figure 1 shows the appearance of the CISCO3925/K9.
Table 1 shows the Quick Specs of the CISCO3925/K9.
Product Code |
CISCO3925/K9 |
Services Performance Engine module |
w/SPE 100 |
Rack Units |
3U |
Interfaces |
3 integrated 10/100/1000 Ethernet ports with 2 ports capable of RJ-45 or SFP connectivity |
Expansion Slot(s) |
2 service module slots 1 Internal Services Module slot 4 onboard digital signal processor (DSP) slots 4 Enhanced High-Speed WAN Interface Card (EHWIC) slots |
RAM |
1 GB (installed) / 2 GB (max) |
Flash Memory |
256 MB (installed) / 8 GB (max) |
Dimensions |
47.6 cm x 43.8 cm x 13.3 cm |
Package Weight |
27.78 Kg |
Product Details
Figure 2 shows the front panel of the Cisco 3925 router.
Note:
â‘ On/Off switch â‘¡ Power connector â‘¢ LEDs area
Table 2 shows the LEDs area description.
LED |
Description |
|
SYS status LED |
Solid green |
Solid green indicates normal operation. |
Blinking green |
System is booting or is in ROM monitor mode. |
|
Amber |
System error. |
|
Off |
Power is off or system board is faulty. |
|
ACT status LED |
Solid or blinking green |
Solid or blinking indicates packet activity between the forwarding and routing engine and any I/O port. |
Off |
No packet transfers are occurring. |
|
POE |
Green |
IP phone power is on. |
Amber |
IP phone power is not on. |
|
PS1 / PS2 |
Green |
System is running. |
Amber |
System is not running. |
Figure 3 shows the back panel of the Cisco router 3925/K9 with LEDs.
Note:
①Compact flash 0 and 1 (0, right) ② ISM ③ PVDM3 0,1,2 and 3 (0, far right) ④ EN (Enable USB console) ⑤ EN (Enable RJ-45 console) ⑥ SFP S ⑦ SFP EN ⑧ S (Speed) ⑨ L (Link)
Table 3 shows the description of these LEDs on the back panel.
LED |
Color |
Description |
Location |
CompactFlash 1 |
Green |
Flash memory is busy. |
Back Panel |
Amber |
Initialized with error. |
||
Blinking Green then turns off |
CompactFlash is ready for removal. |
||
CompactFlash 0 |
Green |
Flash memory is busy. |
Back Panel |
Amber |
Initialized with error. |
||
Blinking Green then turns off |
CompactFlash is ready for removal. |
||
S (Speed) |
1 blink + pause |
GE port operating at 10 Mb/s. |
Back Panel |
2 blink + pause |
GE port operating at 100 Mb/s. |
||
3 blink + pause |
GE port operating at 1000 Mb/s. |
||
L (Link) |
Green |
GE link is established. |
Back Panel |
Off |
No GE link is established. |
||
EN (RJ-45 console port) |
Green |
The RJ-45 console port is active. |
Back Panel |
EN (USB serial console port) |
Green |
The USB console port is active. |
Back Panel |
ISM |
Green |
Initialized. |
Back Panel |
Amber |
Initialized with error. |
||
Off |
Not installed. |
||
PVDM3 0,1,2 and 3 |
Green |
PVDM is initialized. |
Back Panel |
Amber |
PVDM is detected but not initialized. |
||
Off |
No PVDM installed. |
||
SFP S |
Blinking green |
Blinking frequency indicates port speed. |
Back Panel |
SFP EN |
Off |
Not present. |
Back Panel |
Green |
Present and enabled. |
||
Amber |
Present with failure. |
Figure 4 shows the back panel of the Cisco 3925 router with slots and ports.
Note:
①Compact flash 0 and 1 (0, right) ② EHWIC 0,1,2 and 3 (0, far right) ③ USB serial port ④ RJ-45 serial console port ⑤ AUX port ⑥ SFP 1 and SFP 2 (2, top)
⑦ 10/100/1000 Ethernet port GE 0/1 and GE 0/2 (GE 0/1, down) ⑧ 10/100/1000 Ethernet port GE 0/0 ⑨ USB 0 and USB 1 (1,top) ⑩ Ground ⑪ Service module slots
Figure 5 shows the SPE area and you can upgrade these slots and ports directly by one SPE module.
The Cisco 3900 Series offers field-replaceable SPEs which 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 grow.
Modules and License
Table 4 shows modules and licenses for this router.
Models |
Description |
C3900-SPE100/K9 |
Cisco Services Performance Engine 100 for Cisco 3925 ISR. (It’s a configured item in the CISCO3925/K9.) |
SM-ES3G-16-P |
Enhanced EtherSwitch Service Module, L2/L3 switching, 16* 10/100/1000 GE ports, Enhanced POE, Cisco EnergyWise technology |
SM-ES3G-24-P |
Enhanced EtherSwitch Service Module, L2/L3 switching, 24 * 10/100/1000 GE ports, Enhanced POE, Cisco EnergyWise technology |
VWIC3-2MFT-G703 |
Cisco Voice/WAN Card VWIC3-2MFT-G703 |
HWIC-2T |
2-Port Serial WAN Interface Card Cisco Router High-Speed WAN Interface card |
EHWIC-1GE-SFP-CU |
Cisco 1900, 2900, 3900 Router EHWIC WAN Card EHWIC-1GE-SFP-CU |
EHWIC-4ESG |
Four port 10/100/1000 Base-TX Gigabit Ethernet switch interface card for Cisco 1900 2900 3900 Routers |
ISM-SRE-300-K9 |
Internal Services Module (ISM) with Services Ready Engine |
PVDM3-16 |
16-channel high-density voice DSP module |
MEM-CF-256U1GB |
256MB to 1GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
MEM-CF-256U2GB |
256MB to 2GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
MEM-CF-256U512MB |
256MB to 512MB CF Upgrade for Cisco 1900,2900,3900 ISR |
MEM-CF-256U4GB |
256MB to 4GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
MEMUSB-1024FT |
1GB USB Flash Token |
Licenses |
Description |
L-FL-39-HSEC-K9= |
Cisco 3900 License L-FL-39-HSEC-K9 U.S. Export Restriction Compliance license for 3900 series |
L-FL-39-SNA= |
Cisco 3900 Router License – FL-39-SNA= SNA E-Delivery License for Cisco 3925/3945 for Cisco 3900 Series |
L-SL-39-APP-K9= |
Cisco Application Experience License ISR 3900 series – includes licenses for: AppX, DATA and WAASX. |
L-SL-39-SEC-K9= |
Cisco 3900 License L-SL-39-SEC-K9 Security E-Delivery PAK for Cisco 3900 Series |
L-SL-39-UC-K9= |
Cisco 3900 License L-SL-39-UC-K9 Unified Communication E-Delivery PAK for Cisco 3900 Series |
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Affordability Meets Quality
When considering the CISCO3925/K9 Cisco 3925 Router 3900 Series ISR G2, cost-effectiveness alongside quality stands out. Northland Systems assures this by offering products at wholesale prices complemented with a 100% Low Price Guarantee. Customers receive top-tier hardware without the premium price.
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Northland Systems provides free CCIE technical support, a service that typically incurs substantial fees elsewhere. This exceptional offering enables customers to troubleshoot issues, optimize performance, and maximize router capabilities without additional financial strain.
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Confidence in transaction security and convenience is paramount. Northland Systems offers this reassurance with certified secure payment options and versatile shipping, including certifications from McAfee Secure and VeriSign Secured.
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Every product, including the Cisco Router ISR 3900, is guaranteed to be authentic. Northland Systems delivers items in New Sealed or Used / Refurbished conditions, each meticulously tested by Cisco-certified technicians to ensure dependability.
Building Customer Confidence
Trust is crucial when investing in network infrastructure. With Northland’s 100% Money Back Guarantee, customers can make purchases with the assurance that their satisfaction is a top priority.
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Northland’s industry presence since 1997 speaks volumes about their reliability and service quality. The significant discounts on products like Cisco Routers further emphasize the financial benefits of partnering with Northland Systems.
Choosing Pre-owned Hardware Advantages
Selecting pre-owned hardware can be a savvy decision. Advantages include substantial cost reductions, swift delivery, comprehensive warranty coverage, positive environmental impact, and the availability of legacy equipment to ensure continuous operational stability.
- Router performance and hardware integrity remain intact with pre-owned options.
- Northland’s strategic approach aligns with budgetary and environmental considerations.
- Access to retired models preserves investments and hinders forced upgrades.
For those looking for Routers > Cisco Routers, or more specifically, Routers > Cisco Routers > Cisco Router ISR 3900, the CISCO3925/K9 Cisco 3925 Router procured through Northland Systems fulfills these requirements with the added peace of mind that excellence and value are a given.