Kaba 90 40 - Technical Specifications: System, Interfaces, Power

Product description Technical Manual
10 04045088 - 11/2016 Kaba wireless gateway 90 40
3.2 Technical data
3.2.1 System
• ARM926 processor, 454MHz system frequency
• NAND flash memory: 256 MB
• RAM: 128 MB
• Linux operating system
3.2.2 Interfaces
Ethernet
• 10BASE-T/100BASE-TX Autosensing, Auto MDI-X in line with IEEE standard 802.3
• PoE in line with IEEE standard 802.3af
• Connection type: 8P8C (RJ45)
Radio
• Radio interface in line with IEEE standard 802.15.4 for connection of evolo com-
ponents equipped with the wireless option
• Frequency: 2.4‒2.4855GHz
• Number of channels: 16
• Transmission power: +8dBm
• Receiver sensitivity: -102dBm
• Data rate: 250kbit/s
• Range: approx. 30 metres (depending on conditions on-site)
USB
• USB 2.0 (type A) for additional connectivity
3.2.3 Power supply
The wireless gateway is powered via PoE (Power over Ethernet) or alternatively via an
external power supply (not included in the scope of delivery).
• Power consumption: typically 1.2W, max. 2.5W
• PoE in line with IEEE standard 802.3af
Power supply via external power supply unit
A suitable external power supply unit provides:
• Output voltage: 5VDC ± 0.4VDC
• Output current: ≥ 800mA
The barrel connector of a suitable power supply unit corresponds to:
Outside Inside
Polarity
− +
Diameter
5.5mm 2.1mm
Do not power the wireless gateway via PoE and via an external power supply simul-
taneously. Doing so can damage the device.