Cisco ISR4321/K9 4321 Integrated Service Router is design to deliver advanced services to the small enterprise branch environment. It delivers 50Mbps thoughtput by default. With pay-as-you-grow performance, you can increase forwarding capacity to 100Mbps by buying FL-4320-PERF-K9 licenses.
Figure 1 shows the appearance of Cisco ISR4321/K9.
Table 1 shows the Quick Specs.
|Product Code||Cisco ISR4321/K9|
|Aggregate Throughput||50 Mbps to 100 Mbps|
|Total onboard WAN or LAN 10/100/1000 ports||2|
|NIM (Network Interface Modules) slots||2|
|Onboard ISC slot||1|
|Memory||4 GB (default) / 8 GB (maximum)|
|Flash Memory||4 GB (default) / 8 GB (maximum)|
|Power-supply options||External: AC and PoE|
|Rack height||1 RU|
|Dimensions (H x W x D)||44.55 x 369.57 x 294.64 mm|
|Package Weight||9.19 Kg|
Figure 2 shows the LEDs on the front panel of the Cisco ISR4321/K9.
·There are eight LEDs on the front panel.
Table 2 shows the description of these LEDs.
|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.|
|ISC||ISC Slot Status||Green||PVDM4 is present and enabled.|
|Amber||Initialized with error.|
|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 ISR4321/K9.
|①||Grounding||⑦||GE 0/0/1 (copper cable) port|
|②||Power switch||⑧||GE 0/0/0 SFP (fiber-optic) port|
|③||Power input connector||⑨||NIM slots|
|④||GE “MGMT” port (with USB port below)||⑩||GE 0/0/0 RJ-45 (copper cable) port|
|⑤||USB Type B mini port||⑪||Auxiliary port|
·The NIMs support 2 single-wide or 1 double-wide.
The Modules, Cards, Licenses & Accessories
Cisco ISR4321/K9 is one of the Cisco 4000 series routers, which support new modules & cards slots, such as NIM, ISC, etc. Besides, Cisco ISR4321/K9 can upgrade by licenses.
Table 3 shows some recommended modules, cards, licenses and several cables.
|License||L-SL-4320-APP-K9=||Cisco AppX license L-SL-4320-APP-K9= with 200 conns/ISRWAAS or 750 conns/vWAAS|
|Smart Serial Cables||CAB-SS-449FC||Cisco CAB-SS-449FC RS-449 Cable, DCE Female to Smart Serial, 10 Feet|
|Console and Auxillary Cables||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|
|Network Interface Modules||NIM-2CE1T1-PRI||Cisco Multiflex Trunk Voice and WAN network interface module|
|NIM-1MFT-T1/E1||Cisco Fourth-Generation 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|
|SFPs for On-Board GE Ports||GLC-LH-SMD||Cisco GLC-LH-SMD 1000BASE-LX/LH SFP transceiver module, MMF/SMF, 1310nm, DOM|
|GLC-ZX-SMD||Cisco GLC-ZX-SMD 1000BASE-ZX SFP transceiver module, SMF, 1550nm, DOM|
|GLC-SX-MMD||Cisco GLC-SX-MMD 1000BASE-SX SFP transceiver module, MMF, 850nm, DOM|
Compare to Similar Items
|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 orLAN 10/100/1000 ports||4||4||3||3||2|
|Enhanced service-module slots||2||0||2||1||0|
|Onboard ISC slot||1||1||1||1||1|