C9115AXI-R – Wi-Fi 6 4×4:4 AP – Internal Antennas – 2.5G PoE Uplink
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C9115AXI-R Description
C9115AXI-R is a Cisco Catalyst 9115AX Series indoor Wi-Fi 6 access point for controller-based wireless access in campus and branch environments. The R regulatory-domain SKU uses the C9115AXI internal-antenna model family, supports 802.11ax with dual 2.4 GHz and 5 GHz radios, 4x4 MIMO with four spatial streams, a 100/1000/2500 Multigigabit Ethernet uplink, RJ-45 console, USB 2.0, and PoE operating modes that preserve full 4x4 radio and 2.5G uplink capability with 802.3at power while reducing features under 802.3af power.
Quick Specs
|
Parameter |
Specification |
|---|---|
|
Product ID |
C9115AXI-R |
|
Product type |
Indoor Wi-Fi 6 wireless access point |
|
Exact model record |
C9115AXI-R 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-R fits indoor Cisco Wi-Fi 6 refresh projects where the wireless BOM must use the -R regulatory-domain suffix and the site standard is the Catalyst 9115AXI internal-antenna access point.
Use C9115AXI-R for offices, classrooms, and campus interiors where the survey expects a ceiling-oriented AP with integrated dual-band antennas instead of external antenna connectors.
C9115AXI-R suits Cisco controller-based deployments when access switches or injectors can provide 802.3at PoE for the documented 4×4 radio, 2.5G uplink, and USB profile.
Product Comparison
|
Parameter |
C9115AXI-R |
C9115AXE-R |
C9115AXI-S |
|---|---|---|---|
|
Exact model listing |
C9115AXI-R listed by Cisco as Catalyst 9115AX Series |
C9115AXE-R listed by Cisco as Catalyst 9115AX Series |
C9115AXI-S 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 |
-R |
-R |
-S |
|
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 |
Certified for external antennas up to 6 dBi on 2.4 GHz and 5 GHz |
|
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-R vs C9115AXE-R comparison, the fixed difference is antenna hardware: C9115AXI-R is the internal-antenna model, while C9115AXE-R is the external-antenna model.
- The C9115AXI-R difference matters when the AP line item must keep the -R suffix but the WLAN plan is built around integrated antennas and ceiling placement.
- For buyers deciding which model to choose, use the C9115AXI-R comparison to separate antenna design from regulatory-domain selection; the -R suffix stays the same across both rows. C9115AXI-S is included as an additional same-family comparison point.
Selection Guide
1. Confirm the -R regulatory fit first
Choose C9115AXI-R only when Cisco compliance resources support the -R regulatory domain for the installation country.
2. Keep AXI tied to integrated antennas
Select the AXI SKU when the site survey assumes the Cisco Catalyst 9115AXI internal dual-band antenna design.
3. Move to AXE for external antenna work
Use C9115AXE-R instead when the RF plan requires RP-TNC external antennas or directional antenna placement.
4. Match power to feature expectations
Plan for 802.3at PoE when the order depends on 4×4 radios, the 2.5G Ethernet uplink, and USB availability.
Ordering Checklist
|
Procurement Area |
Required Check |
Risk Controlled |
|---|---|---|
|
Exact AP PID |
Verify C9115AXI-R rather than another C9115AXI-x suffix |
Cisco treats x as the regulatory-domain placeholder and suffixes are not interchangeable |
|
Regulatory approval |
Check the -R domain against the deployment country before final order release |
Country approval cannot be inferred from a nearby 9115AXI suffix |
|
Antenna family |
Confirm AXI internal antennas rather than AXE external antenna hardware |
The RF plan changes if the project needs external antenna connectors |
|
Controller software |
Confirm Cisco Unified Wireless Network 8.9 or later or Cisco IOS XE 16.11 or later on the target controller path |
Unsupported controller software can prevent the AP from joining service |
|
PoE source |
Reserve 802.3at PoE or a Cisco-supported injector for full feature operation |
802.3af changes the radio chains, Ethernet speed, and USB state |
|
Mounting accessories |
Review bracket, ceiling clip, and physical mounting requirements with the installation plan |
Missing installation parts can delay AP deployment even when the AP PID is correct |
Specifications
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Product ID | C9115AXI-R | Product Type | Indoor Wi-Fi 6 wireless access point |
| Exact Model Record | C9115AXI-R 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 |
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Questions & Answers
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Which deployment fits C9115AXI-R?
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What does the R regulatory domain mean for C9115AXI-R?
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Does C9115AXI-R use internal antennas?
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How is C9115AXI-R different from C9115AXE?
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What Ethernet uplink is relevant for C9115AXI-R?
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Can C9115AXI-R run Embedded Wireless Controller?
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What high-temperature behavior matters for C9115AXI-R?
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When does C9115AXI-R make sense instead of C9105AXI?
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