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CISCO3925E/K9 Overview
The Cisco 3925E router is designed for large branch offices, which delivers modular Services Performance Engine (SPE) 200.
Quick Specs
Table 1 shows the Quick Specs of the CISCO3925E/K9.
| Product Code | CISCO3925E/K9 |
| Services Performance Engine module | w/SPE 200 |
| Rack Units | 3U |
| Interfaces | 4 integrated 10/100/1000 Ethernet ports with 2 SFP ports |
| Expansion Slot(s) | 2 service module slots
3 onboard digital signal processor (DSP) slots 3 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 | 23.52 Kg |
Product Details
Note:
| ① | ② | ③ |
| On/Off switch | Power connector | 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. | |
Note:
| ① | Compact flash 0 and 1 (0, right) | ⑤ | S (Speed) |
| ② | PVDM3 0,1, and 2 (0, far right) | ⑥ | L (Link) |
| ③ | EN (Enable USB console) | ⑦ | SFP S |
| ④ | EN (Enable RJ-45 console) | ⑧ | SFP EN |
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 |
| PVDM3 0,1, and 2 | 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. |
Note:
| ① | EHWIC 0,1, and 2 (0, far right) | ⑦ | SFP 1 and SFP 2 (1, Top) |
| ② | USB serial port | ⑧ | USB 0 and USB 1 (1, Left) |
| ③ | AUX port | ⑨ | Ground |
| ④ | RJ-45 serial console port | ⑩ | Service module slots |
| ⑤ | 10/100/1000 Ethernet ports (GE 0/3, Top; GE 0/2, Bottom) | Compact flash 0 and 1 (0, right) | |
| ⑥ | 10/100/1000 Ethernet ports (GE 0/1, Top; GE 0/0, Bottom) | ||
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.
Modularity Features
The Cisco 3925E router provides enhanced modular capabilities.
Table 4 shows modules for this router.
| Models | Description |
| C3900-SPE200/K9 | Cisco Services Performance Engine 200 for Cisco 3925E ISR
(It’s a configured item in the CISCO3925E/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 |
Compare to Similar Routers
Table 6 shows the comparison of Cisco 3900 Series Routers’ four K9 models.
| Model | CISCO3925/k9 | CISCO3945/k9 | CISCO3925E/k9 | CISCO3945E/k9 |
| SPE | w/SPE 100 | w/SPE 150 | w/SPE 200 | w/SPE 250 |
| Interface | 3GE | 3GE | 4GE | 4GE |
| EHWIC slots | 4 | 4 | 3 | 3 |
| SM slots | 2 | 4 | 2 | 4 |
| ISM slots | 1 | 1 | 0 | 0 |
| DSP | 4 | 4 | 3 | 3 |
| SFP | 2 | 2 | 2 | 2 |
| Rack Unit | 3U | 3U | 3U | 3U |
Get more information
CISCO3925E/K9 Specification
CISCO3925E/K9 Specification |
|
| Embedded hardware-based cryptography acceleration (IPSec + Secure Sockets Layer [SSL]) | Yes |
| Cisco Unified Communications Manager Express Sessions** | 400 |
| Cisco Unified SRST sessions | 1350 |
| Total onboard WAN or LAN 10/100/1000 ports | 4 |
| RJ-45-based ports | 4 |
| SFP-based ports | 2 |
| Service-module slots | 2 |
| Doublewide service-module slots | 1 |
| EHWIC slots | 3 |
| Doublewide EHWIC slots | 1 |
| ISM slots | 0 |
| Online insertion and removal (OIR) | Services modules |
| Onboard DSP (PVDM) slots | 3 |
| Memory DDR2 ECC DRAM: Default | 1 GB |
| Memory DDR2 ECC DRAM: Maximum | 2 GB |
| Compact Flash (external): Default | Slot 0: 256 MB |
| Slot 1: None | |
| Compact Flash (external): Maximum | Slot 0: 4 GB |
| Slot 1: 4 GB | |
| External USB 2.0 slots (Type A) | 2 |
| USB console port (Type B) (up to 115.2 kbps) | 1 |
| Serial console port (up to 115.2 kbps) | 1 |
| Serial auxiliary port (up to 115.2 kbps) | 1 |
| Power-supply options | Internal : AC, PoE, and DC* |
| Redundant power supply | Internal: AC, PoE, and DC* |
| Power Specifications | |
| AC input voltage | 100 to 240 VAC autoranging |
| AC input frequency | 47 to 63 Hz |
| AC input current range, AC power supply (maximum) | 7.1 to 3.0A |
| AC input surge current | <50A |
| DC Operating Input Voltage | 24Vdc – 60Vdc |
| Max Input Current range, DC power supply | 33.2 – 12.4 |
| DC Input Surge Current | <50A |
| Typical power (no modules) (watts) | 150 |
| Maximum power with AC power supply (watts) | 420 |
| Maximum power with PoE power supply (platform only) (watts) | 420 |
| Maximum endpoint PoE power available from PoE power supply (watts) | 520 |
| Max power with DC input (W) | 446 |
| Maximum endpoint PoE power capacity with PoE boost (watts) | 1040 |
| Dimensions (H x W x D) | 5.25 x 17.25 x 18.75 in. |
| (133.35 x 438.15 x 476.25 mm) | |
| Rack height | 3RU |
| Rack-mount 19in. (48.3 cm) EIA | included |
| Rack-mount 23in. (58.4 cm) EIA | optional |
| Wall-mount | No |
| Weight with AC power supply (no modules) | 39 lb (17.7 kg) |
| Weight with PoE power supply (no modules) | 40 lb (18.1 kg) |
| Typical weight (with modules) | 60 lb (27.2 kg) |
| Airflow | Back to front |
| Optional airflow kit (includes filter) | None |
| Environmental specifications | |
| Operating conditions | |
| Temperature: 5906 ft (1800m) maximum altitude | 32 to 104ºF (0 to 40ºC) |
| Temperature: 9843 ft (3000m) maximum altitude | 32 to 104ºF (0 to 40ºC) |
| Temperature: 13123 ft (4000m) maximum altitude’ | 32 to 86ºF (0 to 30ºC) |
| Temperature: Short-term per NEBS/5906 ft (1800m) maximum altitude | 23 to 122°F (-5 to 50°C) |
| Altitude | 4000m (13000 ft) |
| Relative humidity | 5 to 85% |
| Short-term (per NEBS) humidity | 5% to 90%, not to exceed 0.024 kg water/kg of dry air |
| Acoustic: Sound pressure (typical/maximum) | 57.6/77.6 |
| Acoustic: Sound power (typical/maximum) | 67.8/84.7 |
| Nonoperating conditions | |
| Temperature | -40 to 158ºF (-40 to 70ºC) |
| Relative humidity | 5 to 95% |
| Altitude | 15,584 ft (4570m) |
| Regulatory and Compliance | |
| Safety | UL 60950-1 |
| CAN/CSA C22.2 No. 60950-1 | |
| EN 60950-1 | |
| AS/NZS 60950-1 | |
| IEC 60950-1 | |
| EMC | 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 | |
| Telecom | TIA/EIA/IS-968 |
| CS-03 | |
| ANSI T1.101 | |
| ITU-T G.823, G.824 | |
| IEEE 802.3 | |
| RTTE Directive | |
