Users Manual

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Device description
Gateway (type V2) has been designed to act as a gateway
between network (TCP/IP protocol) and USB devices.
Based on submodules:
- Carambola2 (MCU/NETWORK)
- SIlvertel AG9700 (POE)
- USB HUB
Anodised aluminium enclosure is used.
Device is turned off by disconnecting DC plug or ETH connector (when POE powered). Normal
work is indicated by orange LED placed on ETH connector, active ethernet connection is indicated
by green LED.
Specification
Electrical
specification:
● Power source: 5VDC, max output 3A or POE class 0 (48VDC, 15.4W)
● Power consumption:
○ Without load: 0.4A
○ Witch load: 0.7A
● Working temperature: 0 : +40 [°C]
● MIPS 24k 400MHz CPU
● Memory: 16 MB Flash and 64 MB DDR2 RAM
● RF interface: WIFI
○ max RF output power < 20dBm
○ working frequency: 2412 : 2484 [MHz], 802.11 b/g/n, 2.4 GHz
● 7-Port USB Hub
Connectors:
Front panel:
● DC (barrel jack 2.5/5.5)
● RJ45 (Ethernet)
● SMA (dedicated antenna rn-sma-s, gain < 0.6dBi)
Back panel:
● 7 x USB
Software:
Operating system:
● customized OpenWRT based Linux
Software options
● V1: Python based server
● V2: Optimized server written in C
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