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NTWB2 

INSTALLATION & USER MANUAL 

 
 

 

Rev 1.0 

Page | 4 

1

 

OVERVIEW 

Your Madman Marine 

NTWB2

 dual NMEA to WiFi Bridge enables NMEA instrument 

and AIS data to be broadcast over WiFi to up to seven (7) WiFi connected devices such as 
PCs, laptops, tablets & phones. 
It has been designed for owner installation and is ready for use after making a few electrical 
connections. 

FEATURES 

 

Dual NMEA input ports. 

 

4800 / 34800 baud rates (selectable for Input 2 and Output) 

 

Acts as a WiFi Access Point (AP) or can join an existing WiFi network. 

 

LEDs can be turned off. 

 

Reverse polarity protected 

 

Automatic, self-resetting internal fuse 

 

Electrical isolation of data lines (minimum 3,750V) 

 

DISCLAIMER 

Use the NTWB2 entirely at your own risk. The NTWB2 is an electronic device and 
as with all electronic devices could malfunction or stop working entirely at any 
time. Madman Marine Pty Ltd will not be held liable for any consequential loss, 
damage or injury in any way connected with the use of the NTWB2 WiFi Bridge. 
Madman Marine Pty Ltd’s liability under any circumstances shall not be greater 
than the purchase price of the NTWB2 WiFi Bridge.

  

Summary of Contents for NTWB2

Page 1: ...Rev 1 0 NTWB2 Dual NMEA to WiFi Bridge INSTALLATION USER MANUAL...

Page 2: ...NTWB2 INSTALLATION USER MANUAL Your NTWB2 s default AP Mode SSID and Password...

Page 3: ...ERATION 8 6 1 Overview 8 6 2 NMEA Input 1 8 6 3 NMEA Input 2 8 6 4 NMEA Output 8 7 WIFI OPERATION 8 7 1 Overview 8 7 2 Devices and TCP UDP Connections 8 7 3 AP Access Point Mode 9 7 4 Join Mode 10 8 I...

Page 4: ...WiFi Access Point AP or can join an existing WiFi network LEDs can be turned off Reverse polarity protected Automatic self resetting internal fuse Electrical isolation of data lines minimum 3 750V DIS...

Page 5: ...h Switch 3 AP Act as a WiFi Access Point with DHCP Join Connect to an existing WiFi network Protocols UDP or TCP Max simultaneous UDP Connections 7 Max simultaneous TCP Connections 1 Transmitter Power...

Page 6: ...e user to set WiFi parameters such as passwords IP address WiFi channel and SSID It also provides the ability to monitor the NMEA data being received by the NTWB2 It is not necessary to use the NTWB2...

Page 7: ...iFi device is connected to the NTWB2 Join Mode The NTWB2 has joined the configured WiFi network AP Mode No WiFi devices have connected Join Mode Not connected to a WiFi network In 1 Data Orange No NME...

Page 8: ...EA0183 instrument data e g to an autopilot or 38400 when that data rate is supported by the NMEA input of the device connected to the output The NTWB2 s output data rate is unrelated to the rate set f...

Page 9: ...tion app IP Address The NTWB2 s default IP address is 169 254 2 1 The AP Mode IP address can be changed using the NTWB2 Configuration app Port The NTWB2 s default port is 55555 The AP Mode port can be...

Page 10: ...oin Password No default password is set Use the NTWB2 Configuration app to set the password of the network to join IP Address No default IP address is set The Join Mode IP address will be assigned aut...

Page 11: ...for superior resistance to vibration and no tools are needed to connect pre stripped wires The terminals also have test probe insertion holes 1mm diameter to facilitate testing when plugged in Refer t...

Page 12: ...a second set of 12V terminal and 0V terminals which allows for 12V supply wiring to a second device The terminals are connected internally and so the connector must be plugged into the NTWB2 for the 1...

Page 13: ...itting device talker being connected is 4800 8 5 2 Input 2 Connect instrument data wires NMEA A and NMEA B to the IN2 and IN2 terminals as per Table 3 The location of the IN 2 terminals is shown in Fi...

Page 14: ...power up 5 When the default values are being set all indicator LEDs will be on at the same time for a short period after which the normal power up LED sequence occurs 6 Remove the jumper from the Def...

Page 15: ...ine None of the above has worked Close all apps on the WiFi device phone tablet or PC Forget the WiFi network and re connect using the correct password No data is being received on Input 1 the orange...

Page 16: ...dio transmitter may only operate using an antenna of a type and maximum or lesser gain approved for the transmitter by Industry Canada To reduce potential radio interference to other users the antenna...

Page 17: ...NTWB2 INSTALLATION USER MANUAL Page 17 Rev 1 0...

Page 18: ...LATION USER MANUAL Rev 1 0 Page 18 12 SALES SUPPORT For all sales and support enquiries contact Neil Finlayson Madman Marine Pty Ltd Ph 0412 MAD MAN 61 412 623 626 E sales madmanmarine com W www madma...

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