Overview (Cisco ISR4331/K9)
Cisco 4331 Integrated Services Router delivers 100 Mbps to 300 Mbps aggregate throughput and offers one Enhanced service-module (SM-X) slot, which supports for both single- and double-wide service modules provides flexibility in deployment options.
Quick Specs
Figure 1 shows the appearance of Cisco ISR4331/K9.
Table 1 shows the Quick Specs.
| Product Code | Cisco ISR4331/K9 |
| Aggregate Throughput | 100 Mbps to 300 Mbps |
| Total onboard WAN or LAN 10/100/1000 ports | 3 |
| RJ-45-based ports | 2 |
| SFP-based ports | 2 |
| Enhanced service-module (SM-X) slot | 1 |
| NIM (Network Interface Modules) slots | 2 |
| Onboard ISC slot | 1 |
| Memory | 4 GB (default) / 16 GB (maximum) |
| Flash Memory | 4 GB (default) / 16 GB (maximum) |
| Power-supply options | Internal: AC and PoE |
| Rack height | 1 RU |
| Dimensions (H x W x D) | 44.45 x 438.15 x 438.15 mm |
| Package Weight | 12.96 Kg |
Product Details
Figure 2 shows the front panel of Cisco ISR4331/K9.
Note:
| ① | USB Type B mini port | ⑤ | Management port |
| ② | Serial console port | ⑥ | LEDs |
| ③ | USB Type A port | ⑦ | AC Power |
| ④ | AUX Port | ⑧ | Power switch |
The LEDs include eight indicators.
Table 2 shows the LED descriptions.
| LEDs | Represents | Color | Description |
| POE0 | POE PSU | Green | PoE is on and providing power. |
| Amber | PoE is in a failed condition. | ||
| Off | PoE supply is not present. | ||
| FLASH | System Flash Status | Blinking Green | Compact flash/eUSB flash is present and currently being accessed. |
| TEMP | Temperature Status | Solid green | All temperature sensors in the system are within acceptable range. |
| Amber | One or more temperature sensors in the system are outside the acceptable range. | ||
| Off | Temperature is not being monitored. | ||
| PWR | System Power | Green | System power is on and functioning correctly. |
| Green blinking | System power is in the process of shutting down. | ||
| Amber | System power is up, but low level initialization failed. | ||
| Amber blinking | System power is up, but the system failed to come out of reset. | ||
| Off | System power is off. | ||
| SSD | mSATA Slot Status | Green | SSD mSATA is present and enabled. |
| Amber | Initialized with error. | ||
| Off | Not present. | ||
| ISC | ISC Slot Status | Green | PVDM4 is present and enabled. |
| Amber | Initialized with error. | ||
| Off | Not present. | ||
| FAN | Fan Status | Green | All fans are operating. |
| Amber | One fan has stopped working. | ||
| Blinking Amber | Two or more fans have stopped working, or the fan tray has been removed. | ||
| Off | Fans are not being monitored. | ||
| STAT | System Status | Solid green | System operating normally. |
| Blinking amber | BIOS/Rommon is booting. | ||
| Amber | BIOS/Rommon has completed booting, and system is at Rommon prompt or booting platform software. | ||
| Off | System is not out of reset or BIOS image is not loadable. |
Figure 3 shows the back panel of Cisco ISR4331/K9.
Note:
| ① | RJ45 Ports | ③ | NIM Slots |
| ② | SFP Ports | ④ | SM-X Slot |
·NIM slots support one double-wide or two signal-wide modules.
·An SM-X slot can be converted into a Network Interface Module (NIM) slot using an optional carrier card.
The Modules, Cards, Licenses & Accessories
Cisco ISR4331/K9 is one of the Cisco 4000 series routers, which support new modules & cards slots, such as NIM, ISC, etc. Besides, Cisco ISR4331/K9 can upgrade by licenses.
Table 3 shows some recommended modules, cards, licenses and accessories of Cisco ISR4331/K9.
| Items | Models | Descriptions |
| Smart Serial Cables | CAB-SS-449FC | Cisco CAB-SS-449FC RS-449 Cable, DCE Female to Smart Serial, 10 Feet |
| CAB-SS-V35FC | Cisco CAB-SS-V35FC V.35 Cable, DCE Female to Smart Serial, 10 Feet | |
| Console and Auxillary Cables | CAB-AUX-RJ45 | Cisco CAB-AUX-RJ45 Auxiliary Cable 8ft with RJ45 and DB25M |
| CAB-ETH-S-RJ45 | Cisco Router Cable CAB-ETH-S-RJ45 | |
| CAB-CONSOLE-RJ45 | Cisco CAB-CONSOLE-RJ45 Console Cable 6ft with RJ45 and DB9F | |
| CAB-CONSOLE-USB | Cisco CAB-CONSOLE-USB Console Cable 6 ft with USB Type A and mini-B | |
| Licenses | L-SL-4330-APP-K9= | Cisco AppX license L-SL-4330-APP-K9= with 750 conns/ISRWAAS or 1300 conns/vWAAS for ISR4331 |
| Network Interface Modules | NIM-1MFT-T1/E1 | Cisco Fourth-Generation Multiflex Trunk Voice and WAN network interface module |
| NIM-2CE1T1-PRI | Cisco Multiflex Trunk Voice and WAN network interface module | |
| NIM-4E/M | Analog voice network interface card (ear and mouth) | |
| NIM-2FXS | Cisco Analog voice network interface card NIM-2FXS | |
| NIM-2FXS/4FXO | Cisco Analog voice network interface card NIM-2FXS/4FXO | |
| NIM-8MFT-T1/E1 | Cisco Fourth-Generation Multiflex Trunk Voice and WAN network interface module | |
| SFPs for On-Board GE Ports | GLC-SX-MMD | Cisco GLC-LH-SMD 1000BASE-LX/LH SFP transceiver module, MMF/SMF, 1310nm, DOM |
| GLC-LH-SMD | Cisco GLC-ZX-SMD 1000BASE-ZX SFP transceiver module, SMF, 1550nm, DOM | |
| GLC-ZX-SMD | Cisco GLC-SX-MMD 1000BASE-SX SFP transceiver module, MMF, 850nm, DOM |
Compare to Similar Items
| Models | ISR4451-X/K9 | ISR4431/K9 | ISR4351/K9 | ISR4331/K9 | ISR4321/K9 |
| Aggregate Throughput | 1 Gbps to 2 Gbps |
500 Mbps to 1 Gbps |
200 Mbps to 400 Mbps |
100 Mbps to 300 Mbps |
50 Mbps to 100 Mbps |
| Total onboard WAN or
LAN 10/100/1000 ports |
4 | 4 | 3 | 3 | 2 |
| RJ-45-based ports | 4 | 4 | 3 | 2 | 2 |
| SFP-based ports | 4 | 4 | 3 | 2 | 1 |
| Enhanced service-module slots | 2 | 0 | 2 | 1 | 0 |
| NIM slots | 3 | 3 | 3 | 2 | 2 |
| Onboard ISC slot | 1 | 1 | 1 | 1 | 1 |
| Rack height | 2 | 1 | 2 | 1 | 1 |
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