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Thiết bị phát sóng Wifi Aruba AP-655 (R7J38A)
| Model | AP-655 (R7J38A) |
| Wi-Fi radio specifications | • AP type: Indoor, tri-radio, 2.4GHz, 5GHz and 6GHz (concurrent) 802.11ax 4x4 MIMO. • 2.4GHz radio: Four spatial streams Single User (SU) MIMO for up to 1,147Mbps wireless data rate with 4SS HE40 802.11ax client devices, or multiple 2SS or 1SS MU-MIMO capable 802.11ax devices. • 5GHz radio: Four spatial streams Single User (SU) MIMO for up to 2.4Gbps wireless data rate with 4SS HE80 802.11ax client devices, or multiple 2SS or 1SS MU-MIMO capable 802.11ax devices. • 6GHz radio: Four spatial streams Single User (SU) MIMO for up to 4.8Gbps wireless data rate with 4SS HE160 802.11ax client devices, or multiple 2SS or 1SS MU-MIMO capable 40 802.11ax devices. • Up to 1,024 associated client devices per radio (limited to 2,048 maximum for all three radios combined), and up to 16 BSSIDs per radio (limited to 4 for the 6GHz radio). |
| Wi-Fi antennas | • AP-655: Integrated downtilt omni-directional antennas for 4x4 MIMO with peak antenna gain of 4.8dBi in 2.4GHz, 5.3dBi in 5GHz and 5.4dBi in 6GHz. Built-in antennas are optimized for horizontal ceiling mounted orientation of the AP. The downtilt angle for maximum gain is roughly 30 to 40 degrees. - Combining the patterns of each of the antennas of the MIMO radios, the peak gain of the combined, average pattern is 3.3dBi in 2.4GHz, 2.9dBi in 5GHz and 4.0dBi in 6GHz. |
| Other interfaces | • E0, E1: Two Ethernet wired network ports (RJ-45) - Auto-sensing link speed (100/1000/2500/5000BASE-T) and MDI/MDX - 2.5Gbps and 5Gbps speeds comply with NBase-T and 802.3bz specifications - POE-PD: 48Vdc (nominal) 802.3af/at/bt POE (class 3 or higher) - 802.3az Energy Efficient Ethernet (EEE) - Link aggregation (LACP) support between both network ports for redundancy and increased capacity • DC power interface: 12Vdc (nominal, +/- 5%), accepts 2.1mm/5.5mm center-positive circular plug with 9.5mm length • USB 2.0 host interface (Type A connector) - Capable of sourcing up to 1A / 5W to an attached device • Bluetooth Low Energy (BLE5.0) and Zigbee (802.15.4) radio - BLE: up to 6dBm transmit power and -101dBm receive sensitivity (125kbps) - Zigbee: up to 6dBm transmit power and -97dBm receive sensitivity (250kbps) - Integrated omnidirectional antenna with roughly 30 to 40 degrees downtilt and peak gain of 3.6dBi • Advanced IOT Coexistence (AIC) allows concurrent operation of multiple radios in the 2.4GHz band • Built-in Trusted Platform Module (TPM) for enhanced security and anti-counterfeiting • Visual indictors (four multi-color LEDs): for System (1x) and Radio (3x) status • Reset button: factory reset, LED mode control (normal/off) • Serial console interface (proprietary, micro-B USB physical jack) • Kensington security slot • Automatic thermal shutdown and recovery function |
| Power sources and power consumption | • The AP supports direct DC power and Power over Ethernet (POE) on port E0 and/or E1 • When POE power is supplied to both Ethernet ports, the AP combines power from both sources (SmartPOE feature), using E0 as the primary source and E1 as secondary • When both DC and POE power sources are available, DC power takes priority over POE • The AP supports various power modes depending on the available power source(s) and configuration. - With IPM disabled, the AP may apply some static restrictions, see tables below. - With IPM enabled, the AP will start up in unrestricted mode but may dynamically apply restrictions depending on the available power budget and actual consumption. The feature restrictions and order in which these get applied are configurable. - When powered by direct DC power, the AP operates without restrictions. - Powering the AP from a single 802.3af (class 3 or lower) POE source is not supported, regardless of IPM status. • Maximum (worst-case) power consumption (without / with a USB device attached): - DC powered: 36.0W/42.5W. - POE powered: 40.3W/46.5W. - This assumes that up to 5W is supplied to the attached USB device. • Maximum (worst-case) power consumption in idle mode: 14.3W/20.2W (DC) or 16.9W/22.7W (POE). • Maximum (worst-case) power consumption in deep-sleep mode: 2.4W (DC) or 4.0W (POE). |
| Mechanical specifications | • Dimensions/weight (AP-655; unit without mount bracket): - 260mm (W) x 260mm (D) x 60mm (H) - 1,800g • Dimensions/weight (AP-655; shipping): - 285mm (W) x 285mm (D) x 95mm (H) - 2,300g |
| Environmental specifications | • Operating conditions - Temperature: 0C to +50C / +32F to +122F - Relative humidity: 5% to 95% - ETS 300 019 class 3.2 environments - AP is plenum rated for use in air-handling spaces • Storage conditions - Temperature: -25C to +55C / +13F to +131F - Relative humidity: 10% to 100% - ETS 300 019 class 1.2 environments |
R7J38A : Aruba AP-655 (RW) Tri-radio 4x4:4 802.11ax Wi-Fi 6E Internal Antennas Campus AP.
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