C9115AXI-C – Wi-Fi 6 4×4:4 AP – Internal Antennas – 2.5G PoE Uplink
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C9115AXI-C Description
C9115AXI-C is a Cisco Catalyst 9115AX Series indoor Wi-Fi 6 access point for controller-managed wireless access in the C regulatory domain. The C9115AXI model uses four integrated dual-band internal antennas and supports 802.11ax operation with dual 2.4 GHz and 5 GHz radios, 4x4 MIMO, and four spatial streams. Cisco lists the AP with a 100/1000/2500 Multigigabit Ethernet uplink, RJ-45 console, USB 2.0, and PoE operating modes where 802.3at supports the full 4x4 radio and 2.5G uplink profile while 802.3af reduces radio, link, and USB capability. It is intended for indoor campus or branch wireless deployments managed by Cisco Catalyst 9800 Series or supported AireOS wireless controllers on the documented minimum software releases.
Quick Specs
|
Parameter |
Specification |
|---|---|
|
Product ID |
C9115AXI-C |
|
Product type |
Indoor Wi-Fi 6 wireless access point |
|
Exact model record |
C9115AXI-C listed by Cisco as Catalyst 9115AX Series |
|
Ordering pattern |
C9115AXI-x with x as the regulatory-domain suffix |
|
Management model |
Controller-based access point |
|
Software support |
Cisco Unified Wireless Network Software Release 8.9 or later and Cisco IOS XE Software Release 16.11 or later |
|
Supported controllers |
Cisco Catalyst 9800 Series plus Cisco 3504, 5520, 8540, and Virtual Wireless Controller |
|
Wireless standard |
Wi-Fi 6 / IEEE 802.11ax |
|
Radio and MIMO profile |
Dual-band 2.4 GHz and 5 GHz radios with 4×4 MIMO and four spatial streams |
|
Antenna design |
Four integrated dual-band internal antennas on C9115AXI models |
|
Ethernet interfaces |
1 x 100/1000/2500 Multigigabit Ethernet RJ-45, RJ-45 console, and USB 2.0 |
|
PoE feature mode |
802.3at supports 4×4 radios, 2.5G link, USB, and 20.4W max PoE draw; 802.3af reduces radios to 2×2, link to 1G, disables USB, and lists 13W max PoE draw |
Application Scenarios
C9115AXI-C fits indoor refresh projects where the wireless design standardizes on the Catalyst 9115AXI body and does not call for external antenna connectors.
Use C9115AXI-C where APs will receive IP addressing, discover a supported Cisco wireless controller, and run as controller-managed access points through CAPWAP.
C9115AXI-C is a good fit when the access layer can provide 802.3at PoE for the full 4×4 radio and 2.5G uplink profile; 802.3af should be treated as a reduced-mode fallback.
Product Comparison
|
Parameter |
C9115AXI-C |
C9115AXE-C |
C9115AXI-H |
|---|---|---|---|
|
Exact model listing |
C9115AXI-C listed by Cisco as Catalyst 9115AX Series |
C9115AXE-C listed by Cisco as Catalyst 9115AX Series |
C9115AXI-H listed by Cisco as Catalyst 9115AX Series |
|
Ordering family |
C9115AXI-x |
C9115AXE-x |
C9115AXI-x |
|
Product type |
Indoor access point with internal antennas |
Indoor access point with external antennas |
Indoor Wi-Fi 6 wireless access point |
|
Regulatory suffix |
-C |
-C |
-H |
|
Wi-Fi generation |
Wi-Fi 6 / 802.11ax |
Wi-Fi 6 / 802.11ax |
Wi-Fi 6 / 802.11ax |
|
MIMO profile |
4×4 MIMO with four spatial streams |
4×4 MIMO with four spatial streams |
4×4 MIMO with four spatial streams |
|
Antenna connection |
Four integrated dual-band internal antennas |
Four RP-TNC antenna connectors for external dual-band antennas |
Four integrated dual-band internal antennas |
|
Antenna gain boundary |
2.4 GHz 3 dBi and 5 GHz 4 dBi internal antenna gain |
Certified for external antennas up to 6 dBi on 2.4 GHz and 5 GHz |
2.4 GHz 3 dBi and 5 GHz 4 dBi internal antenna gain |
|
Ethernet uplink |
1 x 100/1000/2500 Multigigabit Ethernet |
1 x 100/1000/2500 Multigigabit Ethernet |
1 x 100/1000/2500 Multigigabit Ethernet |
|
802.3at max PoE draw |
20.4W listed for Catalyst 9115I |
21.4W listed for Catalyst 9115E |
20.4W listed for Catalyst 9115I |
|
Dimensions |
8.0 x 8.0 x 1.5 in. |
8.0 x 8.0 x 1.7 in. |
8.0 x 8.0 x 1.5 in. |
|
Weight |
1.98 lb. |
2.43 lb. |
1.98 lb. |
- In a C9115AXI-C vs C9115AXE-C comparison, the main difference is antenna hardware: C9115AXI-C uses integrated internal antennas, while C9115AXE-C is the external-antenna model.
- The C9115AXI-C difference that affects ordering is the AXI internal-antenna body; C9115AXE-C belongs on the comparison list when the RF design needs approved external antennas.
- For buyers deciding which model to choose, keep C9115AXI-C on the BOM when the site standard is a Catalyst 9115AXI internal-antenna AP with the -C regulatory suffix. C9115AXI-H is included as an additional same-family comparison point.
Selection Guide
1. Start with the antenna design
Select C9115AXI-C only when the RF plan uses the Cisco Catalyst 9115AXI internal-antenna model rather than external antenna connectors.
2. Keep the suffix aligned to the country plan
Verify the -C regulatory suffix through Cisco compliance resources before the SKU is added to a country-specific wireless BOM.
3. Size the PoE source around full feature mode
Use 802.3at PoE or the Cisco AIR-PWRINJ6= injector when the deployment needs 4×4 radios, 2.5G uplink, and USB support.
4. Treat 802.3af as a reduced-mode decision
Accept 802.3af only when the design allows 2×2 radios, 1G Ethernet, and disabled USB under Cisco’s listed reduced feature behavior.
Ordering Checklist
|
Procurement Area |
Required Check |
Risk Controlled |
|---|---|---|
|
Exact AP PID |
Confirm C9115AXI-C rather than another C9115AXI-x suffix |
Cisco uses x as the regulatory-domain placeholder and country approval must match the order |
|
Antenna family |
Verify that the project requires AXI internal antennas and not AXE external antennas |
The AXI and AXE models differ in antenna hardware even when the suffix matches |
|
Regulatory approval |
Validate the -C domain for the deployment country with Cisco compliance resources |
Wireless regulatory approval is country-specific and cannot be inferred from a nearby suffix |
|
Controller software |
Confirm Cisco Unified Wireless Network 8.9 or later or Cisco IOS XE 16.11 or later on the target controller path |
The AP must join a supported Cisco wireless controller before production use |
|
Mounting accessories |
Check bracket, ceiling clip, and injector selections against the physical install plan |
Cisco lists several order-time mounting and power choices that can be missed in the AP line item |
Specifications
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Product ID | C9115AXI-C | Product Type | Indoor Wi-Fi 6 wireless access point |
| Exact Model Record | C9115AXI-C listed by Cisco as Catalyst 9115AX Series | Ordering Pattern | C9115AXI-x with x as regulatory-domain suffix |
| Management Model | Controller-based access point | Software Support | Cisco Unified Wireless Network Software Release 8.9 or later; Cisco IOS XE Software Release 16.11 or later |
| Supported Controllers | Cisco Catalyst 9800 Series, Cisco 3504, 5520, 8540, and Virtual Wireless Controller | Wireless Standard | Wi-Fi 6 / IEEE 802.11ax |
| Radio Design | Dedicated 2.4 GHz radio and 5 GHz radio | MIMO Profile | 4×4 MIMO with four spatial streams on both bands |
| Internal Antennas | Four integrated dual-band antennas on C9115AXI models | 2.4 GHz Antenna Gain | 3 dBi peak gain for integrated internal antennas |
| 5 GHz Antenna Gain | 4 dBi peak gain for integrated internal antennas | Ethernet Uplink | 1 x 100/1000/2500 Multigigabit Ethernet RJ-45 |
| Console Port | RJ-45 management console port | USB Port | USB 2.0 |
| Status Indicator | Multi-color status LED | PoE Input Options | 802.3at PoE+, 802.3bt Cisco UPOE, AIR-PWRINJ6=, 802.3af PoE, or AIR-PWRINJ5= |
| 802.3at Feature Mode | 4×4 radios, 2.5G link speed, USB enabled, and 20.4W max PoE consumption for Catalyst 9115I | 802.3af Feature Mode | 2×2 radios, 1G link speed, USB disabled, and 13W max PoE consumption |
| Power Negotiation Note | LLDP/CDP should be enabled for proper power negotiation | Dimensions | 8.0 x 8.0 x 1.5 in. (20.3 x 20.3 x 3.8 cm) |
| Weight | 1.98 lb. (0.9 kg) | Operating Temperature | 32 to 122 F (0 to 50 C) |
| Operating Humidity | 10% to 90% noncondensing | Storage Temperature | -22 to 158 F (-30 to 70 C) |
| Operating Altitude Test | 40 C at 9843 ft. | Environmental Feature Shift | Above 40 C ambient, radios shift from 4×4 to 2×2, Ethernet downgrades to 1G, and USB is disabled |
| System Memory | 2048 MB DRAM and 1024 MB flash | Mounting Bracket Options | AIR-AP-BRACKET-1 low-profile bracket or AIR-AP-BRACKET-2 universal bracket |
| Warranty | Limited lifetime hardware warranty |
Get More Information
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Customer Reviews
Questions & Answers
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Which deployment fits C9115AXI-C?
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What does the C suffix mean on C9115AXI-C?
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Does C9115AXI-C need external antennas?
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Can C9115AXI-C join a Catalyst 9800 WLC?
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What PoE check matters for C9115AXI-C?
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Why compare C9115AXI-C with C9115AXI-R?
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Is C9115AXI-C the same as an EWC SKU?
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What deployment check matters most for C9115AXI-C?
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