Trango Systems VTX5900 12 Channel Video/Audio/Alarm TX User Manual Draft

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Document ID	77412
Application ID	3CqA2dpIbNow8xSaHsIEsA==
Document Description	Draft User Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	54.87kB (685887 bits)
Date Submitted	1999-12-20 00:00:00
Date Available	2000-12-14 00:00:00
Creation Date	2001-05-07 12:13:20
Producing Software	Acrobat Distiller 4.0 for Windows
Document Lastmod	2001-05-07 12:13:25
Document Title	Draft User Manual

FALCON PLUS SERIES
5.8 GHz Wireless Video/Audio/Alarm/Data Transmission System
Installation and Operating Instructions
1• Verify proper operation of camera and monitor/event recorder using coaxial cable prior
to installing wireless link.
2• Install transmitter (VTX5900) and receiver (VRX5900) units in desired location to a steel
pole per installation drawing. The pole must be securely mounted so that it does not move,
and may be from 1.5” to 3” in diameter.
3• Install antennas above the enclosures.
WARNING
USE EXTREME CARE WHEN INSTALLING ANTENNAS NEAR POWER LINES.
4• Slide heatshrink over antenna cable. Tighten antenna cable to receiver and transmitter.
Heat up the heatshrink until it contracts around the connector junction.
5• Connect video, audio, power, alarm, PC interface cables as needed to units through
flanges. Tighten flanges to allow small air gap at bottom of enclosure.
IMPORTANT NOTE:
Power adapter must be kept dry.
6• Verify that LEDs are lit up and transmitter and receiver are on same channel.
7• Tighten lid of enclosure down.
8• To help protect against potential lightning damage, use a lightning surge arrestor in line
with all cabling entering a structure and at the antenna input.
CAUTION
DO NOT APPLY POWER TO THE TRANSMITTER UNLESS THE ANTENNA IS
CONNECTED. PERMANENT DAMAGE MAY RESULT.
Copyright © 1999 Trango Systems, Inc. All rights reserved.
Congratulations on choosing Trango Systems, Inc. to fulfill your wireless video needs. Unpack
your system carefully. If any items are missing, notify your sales representative. If an item
appears to be damaged from shipment, replace it in its packing material and notify the shipper.
Save the packaging for further storage of the equipment.
Service:
If the unit ever needs repair service, contact your Trango Systems, Inc. distributor for
return authorization and shipping instructions.
FCC Information:
Note: This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses, and can radiate radio frequency energy, and if not
installed and used in accordance with these instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment off and
on, the user is encouraged to correct the interference by one of more of the following
measures:
1) Reorient the receiving antenna;
2) Increase the separation between the affected equipment and the receiver;
3) Connect the affected equipment to an outlet on a different circuit from that
which the receiver is connected to;
4) Consult the dealer and/or experienced radio/TV technician for help.
VTX2500: # NCYVTX5900
CANADA:
IMPORTANT NOTE:
Intentional or unintentional changes or modifications not expressly approved by the
party responsible for compliance must not be made. Any such modifications could void
the user’s authority to operate the equipment and will void the manufacturer’s
warranty.
System Description:
The FALCON PLUS Wireless Video System is a professional quality system designed
for sending composite NTSC or PAL video, audio, and alarm signals using 5.8 GHz
wireless technology. The typical FALCON PLUS system consists of a VTX5900
transmitter and antenna, VRX5900 Receiver and antenna, and power adapters. The
system is ideal for permanent or temporary video links due to its portable nature and easy
installation. It is not designed for operation while in motion.
Copyright © 1999 Trango Systems, Inc. All rights reserved.
• FIGURE 1a •
Figure 1a shows the most common connection diagram for setting up a wireless video
link using the FALCON PLUS. Audio and power connections are not shown.
FIGURE 1b
Copyright © 1999 Trango Systems, Inc. All rights reserved.
FIGURE 1c
Figures 1b and 1c show the orientation of the antennas and mounting of the enclosures.
Since the antennas are directional, they must be aligned towards each other as shown.
NOTE: Make sure that your camera and monitor/recorder work properly hardwired
before attempting to install the wireless link.
Copyright © 1999 Trango Systems, Inc. All rights reserved.
Installation:
The FALCON PLUS system is factory-configured for operation on channel 1 with right
and left audio operational.
To obtain the best picture quality and transmission distance, the following rules of thumb
should be followed:
1) Mount the transmitter and receiver antennas above human and mechanical traffic,
the higher the better. A 10 foot 2 3/8” diameter steel mast on top of a building is
typical. Make sure that the mast is well grounded to earth ground with an 8 AWG or
larger wire. For maximum range, the transmit and receive antennas must be 15 to 20
feet above all obstacles in the line of sight.
2) Keep the transmission path as open as possible. Objects such as walls and
metallic objects near the transmission path reflect signals and may reduce the
transmission distance.
3) Do not add additional lengths of cable to connect the receiver to the antenna as
significant losses in signal and reduced transmission range will occur.
4) Keep the cable connecting the antenna to the receiver as short as possible.
The VTX5900 transmitter and VRX5900 receiver units come pre-mounted in a NEMA4X rated aluminum enclosure which allows mounting of the unit outdoors.
Copyright © 1999 Trango Systems, Inc. All rights reserved.
Figure 2 shows the interior of the VTX5900 transmitter and the functions of each control and
input/output. Each control is described in greater detail below. This card is encased in a NEMA4X rated aluminum/powdercoat enclosure. Do not remove the card from the enclosure.
IMPORTANT NOTE: The transmitter uses a non-standard jack to connect to
the transmitter antenna. Any modification to this jack may void the user’s
authority to operate the equipment and will void the manufacturer’s warranty.
CAUTION
DO NOT APPLY POWER TO THE TRANSMITTER WITHOUT THE
ANTENNA SECURELY ATTACHED. DO NOT APPLY VOLTAGE TO
THE ALARM PINS. DAMAGE TO THE UNIT MAY RESULT.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
Power
Alarm 1/2 inputs
Right audio input
Left audio input
Stereo/Alarm switch
Data
Video input
Toggle/Standby
Status LED
Channel LEDs
Antenna connector
Header for use with optional
LC-485/422
11.
10.
1.
8.
9.
2.
Use with dry
contact closures
only.
5.
12.
3.
4.
6.
7.
• FIGURE 2•
Copyright © 1999 Trango Systems, Inc. All rights reserved.
VTX5900 Transmitter Inputs & Controls:
1. POWER INPUT
Accepts a 6-12 Vdc power source such as the standard 7 Vdc adapter (Trango part
number PT07800-1), or an optional battery. The nominal current draw is 200
milliamperes. If using an adapter from a third party, use a well-regulated 300 mA
minimum output supply. Do not use the PT07800-1 to power a camera or video
distortion may occur.
2. ALARM INPUTS
These inputs are used to send alarm signals to the receiver. They sense an open or
closed state and reflect that state to the receiver whenever it changes. The alarm
inputs operate independently of each other. The transmitter is capable of sending
either alarms or stereo audio, selectable via the Stereo/Alarm switch.
3/4. RIGHT & LEFT AUDIO INPUTS
Designed to mate to standard RCA connectors, each input accepts 1 Vpp audio input
and is terminated with 600Ω unbalanced configuration. It is designed to interface to
“lineout” audio sources. A preamplifier must be used to connect a microphone to this
input.
5. STEREO/ALARM SWITCH
When this switch is in the “R Audio On” position, stereo audio transmission is
enabled. This permits the transmission of stereo audio with no data or alarms. When
it is in the “Alm/Data Mode On” position, R audio is disabled. In its place, either
alarms or user data (Data Pass-Through mode) are transmitted.
6. DATA INTERFACE
When connected to a personal computer via the optional CBLDAT-1 interface cable,
this input accepts serial commands that control settings in the transmitters not
available on the front panel. See the TrangoLink software section and program help
for more information. This is also the input for the RS-232 user data to be sent in
Data Pass-Through mode.
7. VIDEO INPUT
Designed to mate to a standard BNC male connector, this input accepts 1Vpp video
in both NTSC and PAL formats. This input is terminated with 75Ω. RCA-BNC
adapters are available for use with some cameras and VCRs.
8. TOGGLE/STANDBY
Depressing this switch momentarily changes the transmitter channel. Remember to
change the receiver channel as well, since it is not automatically changed when the
transmitter channel is changed. Holding the button down for 2 seconds places the
transmitter in Standby mode.
Copyright © 1999 Trango Systems, Inc. All rights reserved.
9/10. STATUS/CHANNEL LEDs
These LEDs display the transmitter status and current transmitter channel. There are
12 channels to choose from.
CAUTION
DO NOT APPLY EXTERNAL VOLTAGES TO THE ALARM INPUTS AS
PERMANENT DAMAGE TO THE UNIT MAY RESULT. USE ONLY DRY
CONTACTS WITH THESE INPUTS.
Copyright © 1999 Trango Systems, Inc. All rights reserved.
VTX5900 Transmitter Operation:
Changing Channels:
To change channels, simply depress the Toggle/Standby switch momentarily until the
LED(s) for the desired channel is lit up. Remember to change the receiver channel as
well, since it is not automatically changed when the transmitter channel is changed.
As a rule of thumb, the first 6 systems operating along the same transmission path
should be set to use even channels ( 2,4,6,8,10,12). If more than 6 systems are
required along the same transmission path, use opposite polarization antennas and
then set the units to operate on the odd channels (1,3,5,7,9,11). Contact Trango Tech
Support for additional help on setting the correct configuration for your application.
Standby Mode -- Secure Standby Mode:
In this mode of operation the transmitter:
1. stops transmitting over the air completely by shutting down the majority of
its circuitry to save power, and
2. waits to be returned to Normal mode by one of the following:
• a change in either Alarm input,
• the Toggle/Standby switch, or
• the TrangoLink software.
To enter Secure Standby mode, press and hold the Toggle/Standby switch for 2
seconds or use the TrangoLink software (See the TrangoLink section of this manual
for more information). The Status LED will blink for about 1 minute to allow the
operator to leave the area. During this time the alarms will not be sent to the
receiver. After 1 minute, the alarm inputs will be active and the status LED will then
blink to indicate that the unit is in Secure Standby mode.
To exit Secure Standby mode, momentarily press the Toggle/Standby switch or use
the TrangoLink software. After exiting Secure Standby mode, the active channel
LED will be on solid to indicate that the transmitter is now continuously transmitting
again.
Standby Mode -- Power Save Standby Mode:
In Power Save Standby mode, the transmitter will awaken (enter Normal mode) for a
user-selectable amount of time if an alarm is received over the Alarm 1 input. After this
time has expired, the transmitter will reenter Standby mode. The amount of time after
which the transmitter will reenter Standby mode can be set to any value between 1 and
255 minutes using the TrangoLink software. If zero is entered, the transmitter will be in
Secure Standby mode, and will not reenter Standby mode after awakening. More
information can be found in the TrangoLink section of this manual.
When the transmitter has been placed in Power Save Standby mode, the Alarm 1 input is
treated as normally-closed. An open condition on this input will awaken the transmitter
for the preset amount of time. The state of the Alarm 2 input does not affect the
transmitter in Power Save Standby mode.
In Power Save Standby mode the transmitter:
Copyright © 1999 Trango Systems, Inc. All rights reserved.
1. stops transmitting over the air by shutting down the majority of its circuitry
to save power,
2. periodically and momentarily powers up and transmits over the air, and
3. waits to be returned to Normal mode by one of the following:
• an open condition on the Alarm 1 input,
• the Toggle/Standby switch, or
• the TrangoLink software.
To exit Power Save Standby mode, momentarily press the Toggle/Standby switch, or use
the TrangoLink software. After exiting Power Save Standby mode, the active channel
LED will be on solid to indicate that the transmitter is now continuously transmitting
again. If the Power Save Timer is still enabled, the radio will go back to Power Save
Standby when it times out again.
Data Pass-Through Mode:
The transmitter and receiver can be used to pass data at rates from 1200 to 9600 bps.
(For optimum data transmission without losses, both the transmitter and receiver
should be configured to pass or accept data at the same rate. The data rate and parity
are configured using the TrangoLink software.) To enter Data Pass-Through mode,
the illustrated switch should be placed in “Alm/Data Mode On.” Then, from the
TrangoLink software, select “Pass-Through Mode.” Make sure both the VTX5900
and the VRX5900 have been configured for Data Pass-Through mode. The Right
Audio channel will be disabled in this mode while the Left Audio channel can still
transmit monaural audio. Alarms and Link Verification cannot be transmitted when
in Data Pass-Through mode. Do not use CBLDAT-1 to send or receive data since it
contains extra wires not used for normal data transmission.
Figure 3 displays the pinout diagram to connect to the RJ11 Data connector for RS232 data pass-through.
To pass simplex (one way) RS-485 or RS-422 format serial data, use the LC485/422
available from your dealer. If using the LC485/422 converter, the data connector
must not be connected to any cabling.
PIN NUMBER
1 2 3 4 5 6
RIGHT and LEFT
audio connectors
PIN NUMBER
VIDEO
DATA connector
RJ11 - 6 position
connector
DESCRIPTION
Reserved -- DO NOT USE
RS-232 Serial Data In to Radio
GND
Reserved -- DO NOT USE
RS-232 Serial Data Out to PC
Reserved -- DO NOT USE
• FIGURE 3 •
10
Copyright © 1999 Trango Systems, Inc. All rights reserved.
Low Battery:
If the input voltage drops below 6V, the status LED will blink twice per second. A
low battery indication is also sent to the receiver and can be viewed using the
TrangoLink software or the receiver. No alarm is generated.
11
Copyright © 1999 Trango Systems, Inc. All rights reserved.
F
igure 4 shows the front panel of the VRX5900 receiver and the functions of each control and
input/output. This card is encased in a NEMA-4X rated aluminum/powdercoat enclosure. Do not
remove the card from the enclosure.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Power
Alarm 1/2 relay outputs
Right audio output
Left Audio output
Stereo/Alarm switch
Data
Video output
Toggle/RSSI
Channel LEDs
Antenna connector
Header for use with optional
LC485/422
10.
9.
1.
8.
5.
2.
11.
3.
4.
6.
7.
• FIGURE 4 •
12
Copyright © 1999 Trango Systems, Inc. All rights reserved.
VRX5900 Receiver Inputs/Outputs & Controls:
1. POWER INPUT
Accepts a 6-9 Vdc power source such as the standard 7 Vdc adapter (Trango part
number PT07800-1), or an optional battery. The nominal current draw is 450
milliamperes. If using an adapter from a third party, use a well-regulated 69Vdc/500mA output supply.
2. ALARM OUTPUTS
These are dry contact relay outputs which can sink 1 ampere at 40 V AC/DC. When
the corresponding transmitter alarm input closes or opens, this output will close and
open as well. Consider these outputs mirrors of the transmitter alarm inputs. These
outputs are independent and can be used to turn on peripheral devices such as video
recorders and audible alarms.
3/4. RIGHT & LEFT AUDIO OUTPUTS
Designed to mate to a standard RCA male connector, this provides a 1.5 Volt peakto-peak audio output and should be terminated in a minimum 600 Ω load, as is found
in most “line in” audio inputs.
5. STEREO/ALARM SWITCH
When this switch is in the “R Audio On” position, stereo audio transmission is
enabled. This permits the transmission of stereo audio with no data or alarms. When
it is in the “Alm/Data Mode On” position, alarm transmission is enabled. If Data
Pass-Through mode is enabled through the TrangoLink software, the switch must be
set to the “Alm/Data Mode On position.
6. DATA INTERFACE
When connected to a personal computer via the optional CBLDAT-1 interface cable,
this input accepts serial commands that control settings in the receiver not available
via the front panel. See the TrangoLink software program help for more information.
This port is also used for Data Pass-Through mode for RS-232 signal levels.
7. VIDEO OUTPUT
Designed to mate to a standard BNC male connector, this provides a 1 Volt peak-topeak video signal output. This must be terminated with 75 Ω. RCA to BNC adapters
are available for use with some monitors and VCR inputs.
8. TOGGLE/RSSI
To change the receiver channel, depress this switch momentarily. Remember to
change the transmitter channel as well since it is not automatically changed.
To enter RSSI (Received Signal Strength Indicator) mode, hold down this button for
2 seconds. The number of channel LEDs lit is an indicator of signal strength, which
can aid in finding the best antenna position.
13
Copyright © 1999 Trango Systems, Inc. All rights reserved.
9. CHANNEL LEDs
These LEDs display the current receiver channel and act as a Received Signal
Strength Indicator.
CAUTION
DO NOT APPLY EXTERNAL VOLTAGES TO THE ALARM OUTPUTS.
PERMANENT DAMAGE TO THE UNIT MAY RESULT.
14
Copyright © 1999 Trango Systems, Inc. All rights reserved.
VRX5900 Receiver Operation:
Changing Channels:
To change channels, simply depress the Toggle/Standby switch momentarily until the
LED for the desired channel pattern is lit up. Remember to change the transmitter
channel as well, since it is not automatically changed when the receiver channel is
changed. As a rule of thumb, the first 6 systems operating along the same
transmission path should be set to use even channels ( 2,4,6,8,10,12). If more than 6
systems are required along the same path, use opposite polarization antennas and then
set the units to operate on the odd channels (1,3,5,7,9,11). Contact Trango Tech
Support for additional help on setting the correct configuration for your application.
Alarm Outputs:
When the VRX5900 receives an alarm state change from the transmitter, it will close
or open the corresponding alarm output. The state of the alarm outputs (open or
closed) can be viewed using the TrangoLink software. If the transmitter is in
Standby mode or the transmitted signal is lost, the receiver will hold the last received
valid state of the alarms. The Alarm outputs are dry-contact relays.
RSSI Mode:
To ease alignment of the receiver antenna, the received signal strength may be
viewed by placing the unit in RSSI mode. The LEDs will then act as a bar-graph
indicator, with more LEDs lit for a stronger signal.
To enter RSSI mode, hold down the Toggle/RSSI button for 2 seconds. To exit,
depress the button momentarily. The number of LEDs lit is a relative indication of
signal strength to be used only to find the best antenna position. Viewing the
received picture quality should be used in conjunction with this mode.
Data Pass-Through Mode:
The transmitter and receiver can be used to pass user data one-way from the
VTX5900 to the VRX5900 at rates from 1200 to 9600 bps. (For optimum data
transmission without losses, both the transmitter and receiver should be configured to
pass or accept data at the same rate. The data rate can be configured using the
TrangoLink software.) To enter Data Pass-Through mode, the Stereo/Alarm switch
should be placed in “Alm/Data Mode On.” Then, from the TrangoLink software,
select “Pass-Through Mode.” Make sure both the VTX5900 and the VRX5900 have
been configured for Data Pass-Through mode. The Right Audio channel will be
disabled in this mode while the Left Audio channel can still transmit monaural audio.
Alarms and Link Verification cannot be transmitted when in Data Pass-Through
mode. Do not use CBLDAT-1 to send or receive data since it contains extra wires
not used for normal data transmission.
Please see the pinout diagram in Figure 3 for more information on wiring the data
connector for RS-232.
15
Copyright © 1999 Trango Systems, Inc. All rights reserved.
INTERFERENCE
If interference such as lines in the pictures is observed, changing the transmission
channel may cure the problem.
Also, AC generators in close proximity to the transmitter or receiver may cause lines
in the picture. Move the unit away from the source of the interference.
NO PICTURE
Check that the transmit and receive channels are set the same, and make sure the
transmitter is not in Standby mode (slow, blinking LED), or that the battery is not
low (fast, blinking LED).
Verify all connectors are tight.
POOR PICTURE QUALITY
Raise transmitter and receiver antennas above ground and away from obstacles and
traffic, including foot traffic.
Use an optional high-gain dish antenna on the receiver. Verify all connectors are
tight. Shorten the receiver antenna feed cable.
VIDEO TOO DARK
Make sure that any monitors/peripheral equipment connected to the video source are
set to high impedance termination since the VTX5900 has a built-in 75 Ω
termination.
VIDEO TOO BRIGHT
Make sure that the receiver video output line is terminated with 75 Ω.
CAN’T COMMUNICATE WITH TRANSMITTER OR RECEIVER USING
TRANGOLINK
Perform a system reset by holding toggle switch down while applying power. All
memory locations will be erased and the system will be reinitialized. All LEDs will
light up to indicate a successful reset. Release the toggle switch.
Check the Technical Support section of our website at http://www.trangosys.com/ for
additional assistance.
16
Copyright © 1999 Trango Systems, Inc. All rights reserved.
PC Requirements & Installation:
In order to run TrangoLink, you will need Windows 95 or higher, 400 kB of free disk
space, and one free 9-pin serial port.
To install:
The TrangoLink program which can be found at our website at
http://www.trangosys.com/ is a self-extracting and installing file. To install
TrangoLink on your PC, simply download the file and double-click on it.
To uninstall:
1. Click on Start, then Settings, then Control Panel.
2. Double click on Add/Remove Programs.
3. Select TrangoLink, and click Add/Remove.
TrangoLink with the FALCON PLUS System:
The TrangoLink software allows the user to change the user settings on the FALCON
PLUS transmitters and receivers. The software runs under the Windows 95 or higher PC
platform and connects from COM1-4 to the Data interface on the transmitter or receiver
via the CBLDAT-1 interface cable.
To enter the program, the user must apply power to the connected unit and run the
TrangoLink program by clicking on the TrangoLink icon in Start/Programs.
After entering the program, a screen is displayed showing the current settings, which can
be changed by the user.
17
Copyright © 1999 Trango Systems, Inc. All rights reserved.
Configuring the FALCON PLUS Transmitter:
Via the TrangoLink interface panel for the VTX5900 transmitter, the user can configure
the following settings:
MENU CONTROLS:
File: Choosing this pull-down menu brings up three options:
Sound: This toggles the PC sound on and off, so that the PC can beep (or
not) if a change in any of the indicators is received.
Select Port: This selects the serial port through which the PC is
connected to the transmitter or receiver. The cable required to connect
may be purchased from your Trango Systems sales representative.
Exit: Exits TrangoLink.
Link Verification: This option brings up a dialog box by which the Link
Verification Code can be set. This is a 32-bit code sent from the transmitter to the
receiver to verify that the signal is being received from the proper location. The link
verification codes on the transmitter and receiver must match for reception of alarms
or low battery signals. If the codes do not match video will still be received, but the
user will be notified that it is not coming from the proper location.
Pass-Through Mode: Choosing this pull-down menu brings up the following dialog
box shown in Figure 5 through which the data rate and parity can be chosen. To use
this function, the Stereo/Alarm switch on the transmitter and receiver must be set to
“Alm/Data Mode On.”
• FIGURE 5 •
Help: Choosing this pull-down menu brings up two options:
Help Topics: This offers you an index of online help topics.
About: This displays the copyright notice and version number of your
copy of TrangoLink.
SCREEN CONTROLS:
Current Channel: This must be the same on the transmitter and receiver in order for
video, alarms, and/or data to be transmitted properly.
Select Mode: The Normal button places the transmitter in Normal mode or awakens
it from Standby mode. The Standby button places the transmitter in either Secure
18
Copyright © 1999 Trango Systems, Inc. All rights reserved.
Standby or Power Save Standby, depending on the value entered in the Power Save
Timer field.
Power Save Timer: The FALCON PLUS can reenter Standby mode after a preset
amount of time has passed, which can be entered in the Power Save Timer field
(Power Save Standby mode). If zero is entered, the transmitter will not reenter
Standby mode (Secure Standby mode). To enter a new value, type the desired
number of minutes into the Power Save Standby field, and press the “Set new value”
button.
In Fig. 6, the TrangoLink
interface screen shows that the
transmitter is set to Channel 3, in
Normal mode (not Standby),
with the Power Save timer set to
0 minutes (Secure Standby). In
this configuration, the transmitter
will not reenter Standby mode
after awakening.
Fig. 6
19
Copyright © 1999 Trango Systems, Inc. All rights reserved.
Configuring the FALCON PLUS Receiver:
Via the TrangoLink interface panel for the VRX5900 receiver, the user can configure the
following settings:
MENU CONTROLS:
File: Choosing this pull-down menu brings up three options:
Sound: This toggles the PC sound on and off, so that the PC can beep (or
not) if a change in any of the indicators is received.
Select Port: This selects the serial port through which the PC is
connected to the transmitter or receiver. The cable required to connect
may be purchased from your Trango Systems sales representative.
Exit: Exits TrangoLink.
Link Verification: This option brings up a dialog box by which the Link
Verification Code can be set. This is a 32-bit code sent from the transmitter to the
receiver to verify that the signal is being received from the proper location. The link
verification codes on the transmitter and receiver must match for reception of alarms
or low battery signals. If the codes do not match video will still be received, but the
user will be notified that it is not coming from the proper location.
Pass-Through Mode: Choosing this pull-down menu brings up the following dialog
box shown in Figure 7 through which the data rate and parity can be chosen. To use
this function, the Stereo/Alarm switch on the transmitter and receiver must be set to
“Alm/Data Mode On.”
• FIGURE 7 •
Help: Choosing this pull-down menu brings up two options:
Help Topics: This offers you an index of online help topics.
About: This displays the copyright notice and version number of your
copy of TrangoLink.
SCREEN CONTROLS:
Current Channel: This must be the same on the transmitter and receiver in order for
video, alarms, and/or data to be transmitted properly.
Link Verification Error: Green indicates that the receiver is receiving a matching
Link Verification Code from the transmitter. Red indicates that it is not.
20
Copyright © 1999 Trango Systems, Inc. All rights reserved.
Sync Loss: Green indicates that the receiver detects a vertical sync pulse on the
received video signal. Red indicates that it does not, and hence that no video is being
transmitted.
Low Transmitter Battery: Red indicates that the transmitter has a low power supply
voltage (< 6 Vdc). Green indicates that power supply voltage is within acceptable
limits.
Alarm 1 and Alarm 2: OPEN indicates that contacts are open on the receiver,
CLOSED that they are closed.
Signal Strength: Also called RSSI (Received Signal Strength Indicator). Presents a
bar graph proportional to the received signal. Useful in troubleshooting to determine
if any other signals are present in the frequency band and to help align antennas.
In Fig. 8, the TrangoLink
interface screen shows that
the receiver is set to Channel
3, both Alarms are open, and
a low battery condition exists
on the transmitter.
Fig. 8
21
Copyright © 1999 Trango Systems, Inc. All rights reserved.
VTX5900 Transmitter: Electrical
RADIO SECTION:
Frequencies:
RF Output Power:
VIDEO SECTION:
Input Level:
Channel 1:
Channel 2:
Channel 3:
Channel 4:
Channel 5:
Channel 6:
Channel 7:
Channel 8:
Channel 9:
Channel 10:
Channel 11:
Channel 12:
5740 MHz
5750 MHz
5762 MHz
5772 MHz
5784 MHz
5794 MHz
5806 MHz
5816 MHz
5828 MHz
5838 MHz
5850 MHz
5860 MHz
Meets FCC Part 15.249 radiated field strength of 50 mV/m at 3
meters with CP helix antenna provided with unit.
1Vpp per NTSC/PAL standard
Input Impedance:
75Ω unbalanced
Modulation:
Wideband direct FM (for composite signal)
Modulation Index:
1.0 at 8.0 MHz for composite A/V signal (±8.0 MHz deviation)
Pre-emphasis:
CCIR Rec 405-1
AUDIO SECTION:
Input Level:
1 Vpp Nominal
Input Impedance:
600 Ω
Bandwidth:
50 Hz – 15 kHz (3 dB)
Modulation:
Wideband FM
Subcarriers:
6.0 MHz (right) and 6.5 MHz (left-monaural)
Modulation Index:
1.0 at 75 kHz for audio (±75 kHz deviation)
Pre-emphasis:
75 µS
22
Copyright © 1999 Trango Systems, Inc. All rights reserved.
ALARM SECTION:
Input Level:
Normally open contact closure input on both Alarm 1 and Alarm
2. The current state of the input (open or closed) is transmitted
to the receiver which reflects the transmitter alarm input states.
DO NOT APPLY VOLTAGES TO THESE INPUTS AS
DAMAGE TO THE UNIT WILL OCCUR.
POWER SECTION:
Input Voltage:
7 Vdc nominal, 6-12 Vdc range
Current Consumption: 200 mA typical in normal mode, 10 mA in Standby mode
Max. Ripple Input:
1 Vpp
Low Battery Sens.:
< 6 Vdc
23
Copyright © 1999 Trango Systems, Inc. All rights reserved.
VTX5900 Transmitter: Mechanical & Environmental
GENERAL:
Material:
Cast aluminum NEMA 4X rated outdoor enclosure
Finish:
Off-white powdercoat
Size:
4.65” W x 8.8”L x 2.475”H without antenna
Weight:
2.65 lb
CONNECTORS & INDICATORS:
RF Output:
Custom connector in compliance with FCC rules part 15C,
15.203.
FCC Compliance:
The transmitter shall comply with FCC Part 15.249, FCC Part 15
Subpart B, Industry Canada Specifications (RSS 210 Issue 2)
PC Interface:
6 position, 4 conductor RJ11 female right angle PCB mount
Video:
BNC female PCB mount
Audio:
Red RCA female PCB mount – R Audio
White RCA female PCB mount – L Audio (Mono)
Alarm/Power:
6 post terminal block (6-12 Vdc, GND, ALARM 1, ALARM 2)
Controls:
Channel switch: momentary, toggles through modes/channels
Stereo/Alarm switch: DPDT switch allows selection of
data/alarms or right audio on 6.0 MHz subcarrier
Indicators:
4 channel LEDs which display the current channel, 1 Status LED
which blinks slowly in Standby mode and rapidly when battery
is low
ENVIRONMENTAL:
Operating Temp.:
-20 to 70 ºC
Storage:
-40 to 85 ºC
Humidity:
100% (enclosure)
Shock:
Sustain 3-axis drop from 5’
24
Copyright © 1999 Trango Systems, Inc. All rights reserved.
VRX5900 Receiver: Electrical
VIDEO SECTION:
Video 3dB BW:
5.8 MHz (Conforms with NTSC/PAL standard)
Video Output S/N:
> 40 dB with –85 dBm RF input
> 42 dB with –80 dBm RF input
> 48 dB with –75 dBm RF input
Video Diff. Gain:
< 5%
Video Diff. Phase:
< 5 degrees
Chr. To Lum. Gain:
70% to 107%
Chr. To Lum. Delay:
±60 nS
Output Load Imp.:
75 Ω
DC Clamping:
Back Porch with 0 V typical DC offset
AUDIO SECTION:
Audio Bandwidth:
50 Hz to 15 kHz (3 dB)
Harmonic Distortion:
< 1% over 50 Hz to 15 kHz
Audio Output S/N:
> 12 dB with –85 dBm RF Input
Output Load Imp.:
600 Ω
Output Level:
1.5 Vpp typical
ALARM SECTION:
Data Rate:
19,200 bps
Coding Scheme:
32 bit command/address, 8 bit data with checksum
Output Level:
Reflects state of transmitter alarm inputs – updated twice per
second
POWER SECTION:
Input Voltage Range:
Max. Ripple Input:
7 Vdc nominal, 6-9 Vdc
1 Vpp
Current Consumption: 450 mA nominal in receive mode and RSSI mode
25
Copyright © 1999 Trango Systems, Inc. All rights reserved.
DATA PASS THROUGH MODE:
Protocol:
Simplex, 3-wire, RS-232 levels, using serial port
Serial Port Settings:
1200, 2400, 4800, 9600 bps with adjustable parity (even, odd,
none –8,N,1 Standard), configurable with TrangoLink software
Latency:
< 15 mS end to end
BER:
< 1E10-6 at –80 dBm input signal level
Note: RS-422/485 interface available with optional daughter board.
26
Copyright © 1999 Trango Systems, Inc. All rights reserved.
VRX5900 Receiver: Mechanical & Environmental
GENERAL:
Material:
Cast aluminum NEMA 4X rated outdoor enclosure
Finish:
Off-white powdercoat
Size:
4.65” W x 8.8”L x 2.475”H without antenna
Weight:
2.65 lb
CONNECTORS & INDICATORS:
RF Input:
SMA female connector
FCC Compliance:
The receiver shall comply with FCC Part 15.203, FCC Part
15.207(a), FCC Part 15 Subpart B, Industry Canada
Specifications (RSS 210 Issue 2)
PC Interface:
6 position, 4 conductor RJ11 female right angle PCB mount
Video:
BNC female PCB mount
Audio:
Red RCA female PCB mount – R Audio
White RCA female PCB mount – L Audio (Mono)
Alarm/Power:
6 post terminal block (6-9 Vdc, GND, ALARM1, ALARM 2)
Controls:
Channel switch: momentary, toggles through modes/channels
Stereo/Alarm switch: DPDT switch allows selection of
data/alarms or right audio on 6.0 MHz subcarrier
Indicators:
4 channel LEDs which display the current channel
ENVIRONMENTAL:
Operating Temp.:
-20 to 70 ºC
Storage:
-40 to 85 ºC
Humidity:
100% (enclosure)
Shock:
Sustain 3-axis drop from 5’
27
Copyright © 1999 Trango Systems, Inc. All rights reserved.

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