The Cisco Catalyst 9800-40 Wireless Controller, model C9800-40-K9, represents a significant advance in enterprise wireless technology. It’s designed for midsize to large organizations that need to support a high number of wireless clients and demand high throughput for their daily operations. Investing in the Catalyst 9800-40 ensures a network that is always on and secure, reflecting the three pillars of Cisco’s network excellence.
With this controller, network admins can benefit from seamless integration with Cisco Aironet® access points to provide an unrivaled wireless experience, ensuring that users have a reliable and fast connection for both simple and complex tasks. Additionally, the Catalyst 9800-40 operates on Cisco’s IOS XE, an open and programmable platform that introduces rich analytics and streaming telemetry, allowing for more in-depth network insights and smarter data-driven decisions.
The controller’s built-in security is an essential feature for organizations that value the protection of their data. The C9800-40-K9 facilitates encrypted traffic analytics and secure boot, safeguarding the network against threats. Its hardware is ready for the future, supporting up-to-date technological standards—802.11ac Wave 2—and is anticipated to be forward compatible with upcoming innovations.
Ease of deployment is another critical benefit, as the controller can be deployed in any environment, whether on-premises or in the cloud, giving organizations flexibility and scalability. With support for up to 2000 access points and 32,000 clients, this controller can handle extensive growth and user density without compromising performance.
The Cisco C9800-40-K9 is intelligently designed for energy efficiency with optimal cooling and ventilation features, minimizing operational costs in terms of power consumption. Finally, with the backing of Cisco’s renowned support and service ecosystem, investment in a C9800-40-K9 controller becomes a reliable foundation upon which businesses can grow and evolve in the digital era. The Catalyst 9800-40 Wireless Controller is indeed a smart choice for a future-proof, resilient, and efficient wireless network infrastructure.
C9800-40-K9 is the Cisco Catalyst 9800-40 Wireless Controller. Built from the ground-up for the Intent-based networking and Cisco DNA, Cisco Catalyst 9800 Series Wireless Controllers are Cisco IOS® XE based and integrate the RF excellence of Cisco Aironet® access points creating the best-in-class wireless experience for your evolving and growing organization. The Cisco Catalyst 9800 Series Wireless Controllers are built on an open and programmable architecture with built-in security, streaming telemetry and rich analytics. The Cisco Catalyst 9800 Series Wireless Controllers are built on the three pillars of network excellence— always on, secure, and deployed anywhere— which strengthen the network by providing the best wireless experience without compromise, while saving time and money. The Cisco® Catalyst® 9800-40 is a fixed wireless controller with seamless software updates for midsize and large enterprises.
Quick Spec
Table 1 shows the quick spec.
|
Model |
C9800-40-K9 |
|
Maximum number of access points |
Up to 2000 |
|
Maximum number of clients |
32,000 |
|
Maximum throughput |
Up to 40 Gbps |
|
Maximum WLANs |
4096 |
|
Maximum VLANs |
4096 |
|
Interfaces |
4x 10 GE/1 GE SFP+/SFP |
|
Form factor |
1RU |
|
License |
Smart License enabled |
|
Operating system |
Cisco IOS XE |
|
Access points |
Aironet 802.11ac Wave 1 and Wave 2 access points |
|
Dimension (W × D × H) |
17.3 inches × 19.5 inches × 1.72 inches (43.94 cm × 49.53 cm × 4.37 cm) |
|
Weight |
22.8 lb (10.34 kg) |
Product Details
Figure 1 shows the front panel.
Note：
|
â‘ |
PWR: Power LED |
â‘© |
SSD: SSD activity LED |
|
â‘¡ |
ALM: Alarm LED |
⑪ |
RP: 1 GE SFP port (the only SFPs supported on the RP port are GLC-SX-MMD and GLC-LH-SMD) |
|
â‘¢ |
EN: USB console-enabled LED |
â‘« |
RP: RJ-45 10/100/1000 redundancy Ethernet port |
|
â‘£ |
SP: RJ-45 10/100/1000 management Ethernet port |
⑬ |
USB ports 0 and 1 |
|
⑤ |
LINK: RJ-45 connector LED |
â‘ |
CON: Mini USB console port |
|
â‘¥ |
TE1: 1 GE SFP/10 GE SFP+ port 1 |
â‘® |
CON: RJ-45 compatible console port |
|
⑦ |
TE3: 1 GE SFP/10 GE SFP+ port 3 |
⑯ |
HA: High-availability LED |
|
⑧ |
TE2: 1 GE SFP/10 GE SFP+ port 2 |
â‘° |
SYS: System LED |
|
⑨ |
TE0: 1 GE SFP/10 GE SFP+ port 0 |
|
|
Figure 2 shows the back panel.
Note：
|
â‘ |
Fans |
â‘¢ |
Power supply (PEM 0) |
|
â‘¡ |
Optional redundant power supply (PEM 1) |
â‘£ |
Power/standby switch |
Supported Products
Table 2 shows the recommended supported products.
|
Model |
Description |
|
LIC-C9800-DTLS-K9 |
Cisco Catalyst 9800 Series Wireless Controller DTLS License |
|
C9800-AC-750W R= |
Cisco Catalyst 9800-40 750W AC Power Supply Reverse Air |
|
GLC-BX-D |
1000BASE-BX SFP, 1490NM |
|
GLC-BX-U |
1000BASE-BX SFP, 1310NM |
|
GLC-LH-SMD |
Cisco GLC-LH-SMD 1000BASE-LX/LH SFP transceiver module, MMF/SMF, 1310nm, DOM |
|
GLC-SX-MMD |
Cisco GLC-SX-MMD 1000BASE-SX SFP transceiver module, MMF, 850nm, DOM |
|
GLC-ZX-SMD |
Cisco GLC-ZX-SMD 1000BASE-ZX SFP transceiver module, SMF, 1550nm, DOM |
|
GLC-TE |
1000BASE-T SFP transceiver module for Category 5 copper wire |
|
SFP-10G-SR |
10GBASE-SR SFP Module |
|
SFP-10G-SR-X= |
SFP-10G-SR-X= 10GBASE-SR SFP Module, LC connector, 850nm, 300m range, multimode fiber (MMF), extended operating temperature range |
|
SFP-10G-LR |
10GBASE-LR SFP+ Module for SMF 10 Gbps |
|
SFP-10G-LRM |
10GBASE-LRM SFP Module |
|
SFP-10G-ER |
Cisco 10GBASE-ER SFP+ Module for SMF |
|
CISCO SFP-10G-ZR |
Cisco 10GBASE-ZR SFP10G Module for SMF |
|
SFP-H10GB-ACU7M |
Cisco Direct-Attach Active Optical Cables with SFP+ Connectors, SFP-H10GB-ACU7M |
|
SFP-H10GB-ACU10M |
Cisco SFP-H10GB-ACU10M Direct-Attach Active Optical Cables with SFP+ Connectors |
Compare to Similar Item
Table 3 shows the comparison.
|
Model |
C9800-40-K9 |
C9800-80-K9 |
C9800-CL-K9 |
|
Maximum number of access points |
Up to 2000 |
Up to 6000 |
Up to 6000 |
|
Maximum number of clients |
32,000 |
64,000 |
64,000 |
|
Maximum throughput |
Up to 40 Gbps |
Up to 80 Gbps |
Up to 2.5 Gbps |
|
Maximum WLANs |
4096 |
4096 |
4096 |
|
Maximum VLANs |
4096 |
4096 |
4096 |
|
License |
Smart License enabled |
Smart License enabled |
Smart License enabled |
|
Operating system |
Cisco IOS XE |
Cisco IOS XE |
Cisco IOS XE |
|
Access points |
Aironet 802.11ac Wave 1 and Wave 2 access points |
Aironet 802.11ac Wave 1 and Wave 2 access points |
Aironet 802.11ac Wave 1 and Wave 2 access points |
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