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Northern Light Technologies (NLT)
NETPORT IS
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Interfaces:
• Radio: 2.4 GHz 802.11 b/g and 5 GHz 802.11a
• Two fiber-optic ports: multi-mode or single-mode
• Serial Port: RS422 for debugging
Antenna ports:
Combined 2.4 GHz and 5GHz antenna ports, N-type female
Power:
• Supply Voltage: 11V DC – 13V DC
• Supply Current: 2A DC Maximum
• External Power Supply Requirements: Minimum output current 3.5A DC, Output Over Current Protection 4A DC
• Standby Power (Battery): Operational time 24 hours
Dimensions:
• H: 500mm (19.69”), W: 400mm (15.75”)m D: 200mm (7.87”)
• Weight: 28.18kg (62lbs)
Operating Ambient Temperature:
0°C to +35°C
Enclosure:
IP55 Compliance
Northern Light Technologies’ NetPort IS is the central component of the 802.11 underground Wi-Fi network. First deployed in an active coal mine back in 2007, it has been in steady production ever since. The 802.11a/b/g radio and 32-bit MIPS processor run a linux kernel, making the command-line configuration of the product familiar to system administrators. Featuring internal battery backup, providing more than 24 hours of intrinsically safe operation when the external power supply is lost, it also supports two optic interfaces that can be fitted with single-mode or multi-mode transceivers, forming a VLAN layer 2 bridge between the network interfaces.
• Two 50Ω N-Type antenna connectors
• 20dBm maximum transmit power
• -95dBm minimum receive sensitivity
• 802.11e QoS
• 802.11i Security
• 802.1.d Spanning Tree
• Management via web interface, SSH, telnet or RS422 console
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