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CISCO2911-DC/K9 Overview
The Cisco 2911 router, supporting voice module, is designed for medium-sized branch. CISCO2911-DC/K9 bundles DC power supply.
Table 1 shows the Quick Specs of the Cisco 2911-DC/K9.
| Product Code | Cisco 2911-DC/K9 |
| Bundle | DC power supply |
| Rack Units | 2RU |
| Interfaces | 3 integrated 10/100/1000 Ethernet ports (RJ-45 only) |
| Expansion Slot(s) | 1 service module slot
1 Internal Service Module slot 2 onboard digital signal processor (DSP) slots 4 enhanced high-speed WAN interface card slots |
| RAM | 512 MB (installed) / 2 GB (max) |
| Flash Memory | 256 MB (installed) / 8 GB (max) |
| Dimensions | 43.8 cm x 30.5 cm x 8.9 cm |
| Package Weight | 16.15 Kg |
Note:
| ? | On/Off switch | ? | Optional RPS adapter(blank panel shown) |
| ? | DC power connector | ? | LEDs area |
Table 2 shows the LEDs area description
| LED | Color | Description |
| SYS | 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 | 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 | PoE is available. |
| Amber | Power supply is not supplying PoE power. | |
| RPS | Green | System is running on external RPS power supply. |
| PS | Green | System is running. |
| Amber | System is not running. |
Note:
| ? | Compact flash 0 and 1 (0, right) | ? | 10/100/1000 Ethernet port GE 0/0 |
| ? | EHWIC 0,1,2 and 3 (0, far right) | ? | USB 0 and 1 (0, down) |
| ? | USB serial port | ? | Ground connector |
| ? | RJ45 Serial Console port | ? | AC or DC or AC-POE Power module |
| ? | AUX | Service module slot 1 | |
| ? | 10/100/1000 Ethernet port GE 0/1 and GE 0/2 (0/1, down) |
Modularity Features
Table 3 shows some recommended models for this router.
| Models | Description |
| 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-TXGigabit Ethernet switch interface card for Cisco1900 2900 3900Routers |
| 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 5 shows the comparison of CISCO2911/K9 and CISCO2911-DC/K9.
| Model | CISCO2911/K9 | CISCO2911-DC/K9 |
| Power Supply | AC Power Supply | DC Power Supply |
| Interface | 3GE | 3GE |
| EHWIC slot | 4 | 4 |
| SIM Slot | 1 | 1 |
| SFP | 0 | 0 |
| Memory | 512MB (installed) / 2 GB (max) | 512MB (installed) / 2 GB (max) |
| Flash Memory | 256MB (installed) / 8 GB (max) | 256MB (installed) / 8 GB (max) |
| Rack Unit | 2 U | 2 U |
