Sea Air and Land Communications 1262 Manuale Utente
12-62 SYNTHESIZED NRZ TRANSMITTER USER’S MANUAL
Issue 1262UE 1008
Sea Air and Land Communications Ltd
Page 6
9.0
TROUBLE SHOOTING
The following table may help in problem solving where necessary.
Fault
Check
No illumination of Green LED
Bad power supply connection
Input activated but no transmission
PSD configuration incorrect
Unit transmits but nothing received
Poor aerial. Wrong frequency, RIC, baud-rate. Power
too low. Unit too hot. Too much vibration
too low. Unit too hot. Too much vibration
No RS232 serial communication
Comport connections, baud-rate 9600 no parity, eight
data bits, one stop bit
data bits, one stop bit
Red LED flashes rapidly
VCO out of lock, unit too hot or internal fault detected.
Connecting a serial lead to the 12-62 will allow the
nature of the fault condition to be determined.
Connecting a serial lead to the 12-62 will allow the
nature of the fault condition to be determined.
Green led flashes rapidly
Low supply detector threshold
Unit starts, but does not complete
transmission
transmission
Poor supply volts, RF interference.
10.0
PROGRAMMING
10.1
Installing the VCP USB Driver
To use the USB port to communicate with the 12-62, a Virtual Com Port
driver must be installed on the PC.
driver must be installed on the PC.
To install the Silicon Laboratories USB driver, run the driver installer
CP210x_VCP_Win2K_XP_S2K3.exe provided on the supplied PSD CD and
follow the on screen instructions. Once the driver is installed, an additional
COM port will be available via the Salcom PSD programming software.
CP210x_VCP_Win2K_XP_S2K3.exe provided on the supplied PSD CD and
follow the on screen instructions. Once the driver is installed, an additional
COM port will be available via the Salcom PSD programming software.
VCP USB driver updates are provided periodically by Silicon Laboratories
and may be downloaded free of charge from https://www.silabs.com/support.
and may be downloaded free of charge from https://www.silabs.com/support.
10.2
Preparations for Connecting the Programming Software
To change the field programmable options, the unit must be connected to a
PC running the 12-62 PSD programming software in Windows XP via either
the preferred USB port S8 (using the supplied USB mini cable), or the
standard serial port S2. To use the USB connector, the supplied virtual COM
port USB driver must be installed
To change the field programmable options, the unit must be connected to a
PC running the 12-62 PSD programming software in Windows XP via either
the preferred USB port S8 (using the supplied USB mini cable), or the
standard serial port S2. To use the USB connector, the supplied virtual COM
port USB driver must be installed
Note: To make up a serial cable, the S2 connections are shown on page 3.
Alternatively purchase an optional Salcom serial programming cable.
12-62 SYNTHESIZED NRZ TRANSMITTER USER’S MANUAL
Issue 1262UE 1008
Sea Air and Land Communications Ltd
Page 7
The 12-62 must be powered during programming, +13.8V to power terminals.
Ensure that the 12-62 PSD has the correct com port selected. Once correctly
configured perform the following:
configured perform the following:
1
Press connect. The status at the bottom of the 12-62 PSD will indicate
if successfully connected.
if successfully connected.
2
Press the read button, or load a PSD configuration file. This will load all
settings of the 12-62, which is required before any changes can be
programmed. The 12-62 PSD will provide feedback if the user selected
operations are successful.
settings of the 12-62, which is required before any changes can be
programmed. The 12-62 PSD will provide feedback if the user selected
operations are successful.
10.3
Using the Programming Software
The 12-62 PSD allows the user to configure the following characteristics:
>
The 12-62 PSD allows the user to configure the following characteristics:
>
Input actions, watchdog, low supply detector and POCSAG
transmission settings
transmission settings
>
Pre-defined messages
>
RF frequency, deviation and output power
>
99 pager numbers for use with the Salcom 11-36 telephone interface.
Once the program is running, the opening screen appears . Use the mouse
to select the configuration fields for each feature.
to select the configuration fields for each feature.