FreeFlight FWF-125 User manual

FWF-125 Serial to WIFI Transceiver
Installation Manual
87330, Rev D.
This document contains FreeFlight Systems proprietary information. It is loaned for limited purposes only and
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purpose of the loan. The document is to be returned to FreeFlight Systems upon request and/or upon completion of
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EQUIPMENT INSTALLATION MANUAL
For the
FreeFlight Systems
FWF-125
Serial to WIFI Transceiver (P/N 86943-00)
Document No: 87330 Revision D
FreeFlight Systems
3700 Interstate 35 S.
Waco, TX 76706

FWF-125 Serial to WIFI Transceiver
Installation Manual
87330, Rev D.
FreeFlight Systems Proprietary Information –see Page 1 for details 2
History of Revisions
Dates of Original and Change pages are:
Revision ….. A …………… January 22nd, 2014
Revision ….. B …………… March 12th, 2014
Revision …… C ……………. October 22nd, 2014
Revision …… D ……………. January 11th, 2016
Page Description
Page no.
Date
Figure I-1, LED description updated.
Table I-4, crimp barrel type added.
Interconnect diagrams updated.
I-2
I-3
IV-1, IV-2
January 11th, 2016

FWF-125 Serial to WIFI Transceiver
Installation Manual
87330, Rev D.
FreeFlight Systems Proprietary Information –see Page 1 for details 3
Table of Contents
SECTION I GENERAL INFORMATION ..................................................................I-1
1.1 INTRODUCTION.............................................................................................I-1
1.2 SYSTEM DESCRIPTION................................................................................I-1
1.2.1 GENERAL DESCRIPTION.......................................................................I-1
1.3 FWF-125 INSTALLATION OVERVIEW...........................................................I-1
1.3.1 Connectors ..............................................................................................I-1
1.3.2 Status Lights............................................................................................I-1
1.4 Technical Characteristics................................................................................I-2
1.5 PARTS AND EQUIPMENT .............................................................................I-3
1.5.1 Serial to WIFI Transceiver (FWF-125) Items............................................I-3
1.5.2 Installation Kits.........................................................................................I-3
SECTION II INSTALLATION...................................................................................II-1
2.1 GENERAL......................................................................................................II-1
2.2 UNPACKING AND INSPECTING EQUIPMENT.............................................II-1
2.3 EQUIPMENT MOUNTING .............................................................................II-1
2.4 ELECTRICAL INTERFACE............................................................................II-3
2.5 CONNECTING TO THE FWF-125.................................................................II-3
SECTION III RTCA/DO-160G ENVIRONMENTAL QUALIFICATION......................III-1
SECTION IV TYPICAL INTERCONNECT DIAGRAM .........................................IV-1
4.1 INTERCONNECT DIAGRAM –FDL-978 LITE SERIES/FDL-978-XVR AND
FWF-125................................................................................................................IV-1
SECTION V LIMITED WARRANTY........................................................................V-1
List of Figures
Figure I-1: FWF-125 Front Face....................................................................................I-1
Figure II-1: FWF-125 Mounting Dimensions.................................................................II-2
Figure II-2; Example screen shots for connecting to wireless network in Windows.......II-4
Figure II-3: Example screen shots for connecting to a wireless network on an Apple I-
pad...............................................................................................................................II-5
Figure II-4: Example screen shots for wireless Windows connection............................II-5
Figure II-5: Example screen shots for wireless Apple I-Pad connection........................II-6
List of Tables
Table I-1: LED Indicators...............................................................................................I-2
Table I-2: Technical Characteristics ..............................................................................I-2
Table I-3: FWF-125 Part Number..................................................................................I-3
Table I-4: Installation Kit Items (FFS P/N: 87096-00).....................................................I-3
Table I-5: Required Accessories....................................................................................I-3
Table II-1: Interface Pin-Out.........................................................................................II-3

FWF-125 Serial to WIFI Transceiver
Installation Manual
87330, Rev D.
FreeFlight Systems Proprietary Information –see Page 1 for details I-1
SECTION I GENERAL INFORMATION
1.1 INTRODUCTION
This document contains the system installation guidance for the FreeFlight
Systems (FFS) FWF-125 Serial to WIFI Transceiver, part number 86943-00
hereafter known as the FWF-125. The FWF-125 provides a robust and affordable
solution of transmitting and receiving data wirelessly.
1.2 SYSTEM DESCRIPTION
1.2.1 GENERAL DESCRIPTION
The FreeFlight Systems FWF-125 Serial to WiFi Transceiver is a complete
standalone embedded wireless LAN access device. The device has on board
TCP/IP stack and applications, requiring only 4 pins (POWER, 232-TX, 232-RX,
GND) to design in for basic usage. The module is pre-loaded with firmware to
simplify integration and minimize applications development time.
1.3 FWF-125 INSTALLATION OVERVIEW
1.3.1 Connectors
Connectors present on FWF-125 are shown in the following table.
Connectors
Signal / Power
(DB-15)
WIFI Antenna
(SMA)*
√
√
* The WIFI SMA antenna is pre-installed with the system
1.3.2 Status Lights
Three system status LED’s are present on the front face of the FWF-125. These
indicators are described below:
Figure I-1: FWF-125 Front Face
IP
AS
T/R

FWF-125 Serial to WIFI Transceiver
Installation Manual
87330, Rev D.
FreeFlight Systems Proprietary Information –see Page 1 for details I-2
A. FWF-125 Status LEDs
Three status LEDs (AS, T/R, IP) indicate the operational status of the
FWF-125 Interface. Table I-1 below describes the LED indicators.
Table I-1: LED Indicators
Condition
Red LED (AS)
Yellow (Tx/Rx)
Green LED (IP)
On Solid
-
-
Connected
Fast Blink
Not Associated
Tx/Rx data transfer
No IP address
Slow Blink
Associated, no internet
-
IP address OK
Off
Associated, Internet OK
-
-
1.4 Technical Characteristics
The technical specifications for the FWF-125 are listed in Table I-2 below
Table I-2: Technical Characteristics
FWF-125 Serial-WiFi Transceiver (P/N 86943-00)
PMA COMPLIANCE
Contact FreeFlight Systems
FCC IDENTIFICATION (WI-FI UNIT)
T9J-RN1711
PHYSICAL DIMENSIONS (WITH ANTENNA)
Height
1.0 in (25.6 mm)
Width
3.1 in (83.8 mm)
Depth
4.0 in (101.6 mm)
WEIGHT
2.9 oz (82.5 gm)
OPERATING TEMPERATURE
-40°C to +70°C
STORAGE TEMPERATURE
-55°C to +85°C
ALTITUDE
50,000 feet
POWER REQUIREMENTS
10 –37 Volts DC, Typical 40mA @ 28 VDC
FREQUENCY
2402 ~ 2480MHz
RECEIVER SENSITIVITY
-83dBm typ
Interfaces:
TYPE
I/O
Description
Serial *
Input/
Output
Serial (RS-232 or RS-422)
Display
Output
WiFi
* Note: Only one port (either 232 or 422) port can be interfaced at one time with the FWF-125.

FWF-125 Serial to WIFI Transceiver
Installation Manual
87330, Rev D.
FreeFlight Systems Proprietary Information –see Page 1 for details I-3
1.5 PARTS AND EQUIPMENT
Each FWF-125 unit is shipped individually, as indicated in Table I-3. An optional
installation kit is available from FreeFlight Systems, as indicated in Table I-4. The
items listed in Table I-5 are required, but not supplied by FreeFlight Systems.
1.5.1 Serial to WIFI Transceiver (FWF-125) Items
FWF-125 part numbers are listed below:
Table I-3: FWF-125 Part Number
Part Number
Description
86943-00
FWF-125 Serial to WIFI Transceiver
87096-00
Installation Kit (Optional)
1.5.2 Installation Kits
The items included in the FWF-125 Installation Kit are listed below:
Table I-4: Installation Kit Items (FFS P/N: 87096-00)
Part Number
Qty
Description
87093
1
DB-15 Female Crimp Connector
87094
1
DB-15 Backshell
84194
17
Crimp Pin 24-28 AWG
84141
17
Crimp Pin (Barrel Type) 24-28 AWG
Table I-5: Required Accessories
Part Number
Qty
Description
Wiring
As
required
24 AWG shielded twisted pair recommended but not
required. Typical interconnect diagram shown in Section
4.1
Circuit Breaker
1
0.5 A

FWF-125 Serial to WIFI Transceiver
Installation Manual
87330, Rev D.
FreeFlight Systems Proprietary Information –see Page 1 for details II-1
SECTION II INSTALLATION
2.1 GENERAL
This section provides general information for installing the FWF-125 into an
aircraft. This section contains mounting dimensions, pin outs, and interface
details pertaining to installation. Adherence to these installation procedures and
information will assure satisfactory system performance.
2.2 UNPACKING AND INSPECTING EQUIPMENT
Exercise care when unpacking each item. Visually inspect each item for evidence
of damage incurred during shipment. If a damage claim must be filed, save the
shipping container to substantiate the claim. When the equipment and the
installation kit have been inspected, save the packing material and container in
case the unit is to be stored or reshipped. Refer to section 1.5 for equipment and
optional parts supplied.
2.3 EQUIPMENT MOUNTING
The FWF-125 is designed for mounting in any convenient location in the cockpit,
the cabin, or an avionics bay.
The following installation procedure should be followed, remembering to allow
adequate space for installation of cables and connectors.
Select a position in the aircraft that is not too close to any high external
heat source. (The FWF-125 is not a significant heat source itself).
Avoid sharp bends and placing the cables near aircraft control cables.
Secure the FWF-125 on a flat surface according to the FWF-125 mounting
requirements illustrated below in Figure II-1.

FWF-125 Serial to WIFI Transceiver
Installation Manual
87330, Rev D.
FreeFlight Systems Proprietary Information –see Page 1 for details II-2
Dimensions in inches
Figure II-1: FWF-125 Mounting Dimensions

FWF-125 Serial to WIFI Transceiver
Installation Manual
87330, Rev D.
FreeFlight Systems Proprietary Information –see Page 1 for details II-3
2.4 ELECTRICAL INTERFACE
Electrical interconnection to the FWF-125 is made via a 15-pin D-Sub connector.
Refer to Table II-1 for a description of the pin out.
Table II-1: Interface Pin-Out
Pin
Name
Function
I/O
Level
1
RESET
Optional module reset signal
100k pull up, apply pulse of at
least 160 us, 3.3-V tolerant.
I
Active Low
2
232 TXD1(1,2)
Serial Port 1 RS-232 Data Out
O
RS-232
3
232 RXD1(1,2)
Serial Port 1 RS-232 Data In
I
RS-232
4
Reserved
Do not connect
-
-
5
Ground
Signal Ground Reference
Gnd
GND
6
Reserved
Do not Connect
-
-
7
Power In
Aircraft Voltage In
Pwr
10V to 37V DC
8
Aircraft Ground
Aircraft Power Return
Gnd
GND
9
422 TXD1+(1,2)
Serial Port 1 RS-422 Data Out +
O
RS-422
10
422 TXD1-(1,2)
Serial Port 1 RS-422 Data Out -
O
RS-422
11
422 RXD1+(1,2)
Serial Port 1 RS-422 Data In +
I
RS-422
12
422 RXD1-(1,2)
Serial Port 1 RS-422 Data In -
I
RS-422
13
Reserved
Do not connect
-
-
14
Reserved
Do not connect
-
-
15
Reserved
Do not connect
-
-
Note 1: Only one port (either 232 or 422) port can be interfaced at one time with the FWF-125
Note 2: Default RS-232/422 baud rate is 115200
2.5 CONNECTING TO THE FWF-125
The FWF-125 can be connected from any device that supports am 802.11 wireless
solution or chipset. Example, the FWF-125 can be connected using a laptop with a
wireless chipset or any of the currently available tablets and pads.
Note: the instructions below are not limited to a windows laptop or an I-pad. They are
applicable to other devices as well. The screen shots provided are examples to aid the
user for connecting to the FWF-125.
1. Ensure that the FWF-125 is wired and powered on per the interconnect drawing
shown in Section III.
2. To connect to the WIFI system, ensure that you have a valid wireless connection to
the system.
3. If already connected to a WIFI network, disconnect from your current wireless
network connection.

FWF-125 Serial to WIFI Transceiver
Installation Manual
87330, Rev D.
FreeFlight Systems Proprietary Information –see Page 1 for details II-4
4. To connect to the FWF-125 wirelessly select the wireless network with the serial
number of the WIFI and click connect. See example screen shots below:
Figure II-2; Example screen shots for connecting to wireless network in Windows

FWF-125 Serial to WIFI Transceiver
Installation Manual
87330, Rev D.
FreeFlight Systems Proprietary Information –see Page 1 for details II-5
Figure II-3: Example screen shots for connecting to a wireless network on an Apple I-pad
5. Wait for the FWF-125 to acquire a valid network address and state connected.
Figure II-4: Example screen shots for wireless Windows connection

FWF-125 Serial to WIFI Transceiver
Installation Manual
87330, Rev D.
FreeFlight Systems Proprietary Information –see Page 1 for details II-6
Figure II-5: Example screen shots for wireless Apple I-Pad connection

FWF-125 Serial to WIFI Transceiver
Installation Manual
87330, Rev D.
FreeFlight Systems Proprietary Information –see Page 1 for details III-1
SECTION III RTCA/DO-160G ENVIRONMENTAL
QUALIFICATION
Environmental Test
DO-160G
Section
Category
Compliance
Method
Temperature and Altitude
4
C4/D/A(3)
T
Loss of Cooling
4.5.5
n/a
X (1)
Temperature Variation
5
B
T
Humidity
6
A
T
Shock/Crash Safety
7
n/a
X
Vibration
8
S (Zone 1, curve C)
U2
T
Explosion Atmosphere
9
n/a
X
Waterproofness
10
n/a
X
Fluids Susceptibility
11
n/a
X
Sand and Dust
12
n/a
X
Fungus
13
n/a
X
Salt Fog
14
n/a
X
Magnetic Effect
15
n/a
X
Power Input
16
B
T
Voltage Spike
17
n/a
X
Audio Frequency
Conducted Susceptibility –
Power Inputs
18
n/a
X
Induced Signal
Susceptibility
19
n/a
X
Radio Frequency
Susceptibility
20
n/a
X
Emission of Radio
Frequency Energy
21
MM*
T
Lightning, Induced
Transient Susceptibility
22
A3XXXX
T
Lightning Direct Effects
23
n/a
X(2)
Icing
24
n/a
X(2)
Electrostatic Discharge
25
n/a
X
Fire, Flammability
26
n/a
X
Compliance Method Key:
T = Test
X = No testing required/No credit requested
n/a = Not Applicable
* = Exception at 2.4GHz as the system transmits at that frequency
Notes:
1. EUT does not require cooling for proper operation
2. Required for other equipment (the antenna) only, not for the EUT
3. D - Altitude at +50,000ft, A - Overpressure at –15,000 ft and Decompression at +50,000 ft.

FWF-125 Serial to WIFI Transceiver
Installation Manual
87330, Rev D.
FreeFlight Systems Proprietary Information –see Page 1 for details IV-1
SECTION IV TYPICAL INTERCONNECT DIAGRAM
4.1 INTERCONNECT DIAGRAM –FDL-978 LITE SERIES/FDL-
978-XVR AND FWF-125

FWF-125 Serial to WIFI Transceiver
Installation Manual
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FWF-125 Serial to WIFI Transceiver
Installation Manual
87330, Rev D.
FreeFlight Systems Proprietary Information –see Page 1 for details V-1
SECTION V LIMITED WARRANTY
I. HARDWARE
FREEFLIGHT SYSTEMS, LTD. (“FREEFLIGHT”), 3700 INTERSTATE 35 S, WACO, TX 76706, HEREBY WARRANTS TO THE FIRST
RETAIL PURCHASER ONLY, THAT HARDWARE PURCHASED HEREUNDER WILL BE FREE FROM DEFECTS IN MATERIAL AND
WORKMANSHIP FOR A PERIOD OF TWO (2) YEARS FROM THE DATE OF INSTALLATION, NOT TO EXCEED THIRTY (30) MONTHS
FROM THE DATE OF SHIPMENT FROM FREEFLIGHT’S FACTORY. SHOULD DEFECTS BE FOUND, FREEFLIGHT AT ITS OPTION,
WILL REPAIR OR REPLACE THE PRODUCT IN WHICH PHYSICAL DEFECTS IN MATERIALS OR WORKMANSHIP OCCUR. THE
FOREGOING STATES THE SOLE LIABILITY AND OBLIGATION OF FREEFLIGHT ARISING OUT OF THIS WARRANTY, AND SUCH
WARRANTY IS SUBJECT TO THE FOLLOWING CONDITIONS AND LIMITATIONS.
(A) THE DEFECT SHALL OCCUR UNDER NORMAL USE AND SERVICE FOR WHICH THIS PRODUCT WAS INTENDED. FREEFLIGHT
SHALL NOT BE OBLIGATED OR LIABLE UNDER THIS WARRANTY FOR DEFECTS WHICH FREEFLIGHT’S EXAMINATION
DISCLOSES ARE DUE TO: (1) TAMPERING, (2) MISUSE, (3) ABUSE, (4) NEGLECT, (5) IMPROPER STORAGE OR MAINTENANCE,
(6) USE IN A MANNER BEYOND WHICH SUCH EQUIPMENT IS NORMALLY INTENDED TO BE USED, (7) IMPROPER REPAIR OR
POOR WORKMANSHIP BY THOSE WHO ARE NOT AUTHORIZED BY FREEFLIGHT TO REPAIR THE PRODUCTS OR USE OF
DEFECTIVE MATERIAL BY SUCH UNAUTHORIZED PERSONS, AND (8) ANY OTHER CAUSE EXCEPT FOR DEFECTS IN MATERIAL
OR WORKMANSHIP CAUSED BY FREEFLIGHT.
(B) THE WARRANTY CARD SUPPLIED WITH THE PRODUCT MUST BE COMPLETED AND RETURNED TO FREEFLIGHT WITHIN 15
DAYS OF INSTALLATION OF THE PRODUCT IN ORDER FOR THIS WARRANTY TO BECOME EFFECTIVE.
(C) THE PRODUCT IS SOLD AND INSTALLED BY AN AUTHORIZED DEALER. A LIST OF ALL AUTHORIZED FREEFLIGHT DEALERS
MAY BE OBTAINED FROM FREEFLIGHT. .
(D) FREEFLIGHT SHALL HAVE NO LIABILITY TO CUSTOMER, TO THE EXTENT THAT ANY CLAIM OF INFRINGEMENT ARISING
FROM ANY MODIFICATION, SERVICING OR ADDITION MADE TO THE ITEMS BY ANYONE OTHER THAN FREEFLIGHT OR ITS
AUTHORIZED REPRESENTATIVE.
(E) THE PRODUCT SHALL BE RETURNED TO FREEFLIGHT VIA THE DEALER WITH TRANSPORTATION CHARGES PREPAID.
AFTER CORRECTION OF THE DEFECTS, THE PRODUCTS WILL BE RETURNED TO THE PURCHASER, TRANSPORTATION
CHARGES PREPAID, EXCEPT FOR RETURNS TO PURCHASERS IN FOREIGN COUNTRIES, WHICH PURCHASERS SHALL BE
RESPONSIBLE FOR PAYMENT OF SUCH CHARGES FROM THE AMERICAN PORT OF EXIT TO PURCHASER’S PLACE OF
BUSINESS. THE RISK OF LOSS OR DAMAGE TO ALL PRODUCTS IN TRANSIT SHALL BE ASSUMED BY THE PARTY INITIATING
THE TRANSPORTATION OF SUCH PRODUCTS.
II. ITEMS NOT COVERED BY WARRANTY
EXCEPT FOR THE EXPRESS WARRANTIES GRANTED IN SECTIONS I ABOVE, FREEFLIGHT MAKES NO OTHER WARRANTIES,
EXPRESSED OR IMPLIED, WITH RESPECT TO ITS PRODUCT AND DISCLAIMS THE SAME. FREEFLIGHT MAKES NO EXPRESS OR
IMPLIED WARRANTY WITH RESPECT TO THE DESIGN, ADEQUACY, ACCURACY, RELIABILITY, SAFETY OR CONFORMANCE
WITH GOVERNMENT STANDARDS OR REGULATION OF ANY FLIGHT PROCEDURE PRESCRIBED BY A GOVERNMENT
AUTHORITY, INCLUDING, BUT NOT LIMITED TO, ANY EXPRESS OR IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
FOR A PARTICULAR PURPOSE. FURTHER, FREEFLIGHT MAKES NO WARRANTY, EXPRESS OR IMPLIED, WITH RESPECT TO
THE ADEQUACY, ACCURACY, RELIABILITY, SAFETY, OR CONFORMANCE WITH GOVERNMENT STANDARDS OR REGULATIONS,
OF ANY INFORMATION CONTAINED IN THE PRODUCT WHICH IS PUBLISHED BY OTHERS OR WHICH FREEFLIGHT OBTAINED
FROM OTHERS. FURTHER, FREEFLIGHT MAKES NO EXPRESS OR IMPLIED WARRANTY WITH RESPECT TO THE
COMPLETENESS OF ANY DATA, FLIGHT INFORMATION, OR FLIGHT PROCEDURE CONTAINED IN ITS PRODUCT. FREEFLIGHT
DOES NOT INCLUDE ALL AVAILABLE DATA IN ITS PRODUCT.
III. LIMITATIONS ON WARRANTY
THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED, INCLUDING WITHOUT LIMITATION, ANY
IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, IF ANY, AND SAID IMPLIED
WARRANTIES ARE HEREBY EXPRESSLY EXCLUDED AND DISCLAIMED. WHERE THE PRODUCT IS USED OR PURCHASED
PRIMARILY FOR THE PURCHASER’S PERSONAL OR FAMILY USE, ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE, IF ANY, ARE HEREBY EXPRESSLY LIMITED TO TWO (2) YEARS FROM THE DATE OF
PURCHASE OF THE PRODUCT. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF AN IMPLIED WARRANTY,
OR OF INCIDENTAL OR CONSEQUENTIAL DAMAGES; THEREFORE, THE ABOVE LIMITATIONS CONCERNING THE EXCLUSION
OF IMPLIED WARRANTIES AND LIMITATIONS OF DAMAGES MAY NOT APPLY TO YOU. THIS WARRANTY GIVES YOU SPECIFIC
RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE.
LIMITATION OF LIABILITY
FREEFLIGHT’S LIABILITY ARISING OUT OF THIS AGREEMENT SHALL NOT EXCEED THE AMOUNTS PAID BY YOU TO OBTAIN
THE PRODUCT. FREEFLIGHT SHALL NOT BE LIABLE FOR SPECIAL, CONSEQUENTIAL, INCIDENTAL OR OTHER TYPES OF
DAMAGES, INCLUDING WITHOUT LIMITATION, LOSS OF USE, LOST PROFITS, AND PERSONAL INJURY. FREEFLIGHT
EXPRESSLY EXCLUDES AND DISCLAIMS SUCH DAMAGES RESULTING FROM OR CAUSED BY, THE USE, OPERATION, FAILURE,
MALFUNCTION OR DEFECT OF ANY FREEFLIGHT PRODUCT, WHETHER OR NOT LIABILITY FOR SUCH DAMAGES IS DUE TO
TORT (INCLUDING NEGLIGENCE), CONTRACT, WARRANTY, OR STRICT LIABILITY. THESE LIMITATIONS WILL APPLY EVEN IF
FREEFLIGHT OR AN AUTHORIZED DEALER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE, AND
NOTWITHSTANDING ANY FAILURE OF ESSENTIAL PURPOSE OF ANY LIMITED REMEDY. YOU ACKNOWLEDGE THAT THE
AMOUNT PAID FOR THE PRODUCT REFLECTS THIS ALLOCATION OF RISK. SOME STATES DO NOT ALLOW THE LIMITATION OR
EXCLUSION OF LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY
NOT APPLY TO YOU. To obtain service under this warranty contact: FreeFlight Systems at [phone].

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3700 Interstate 35 S.
Waco, TX 76706
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