Alps Electric Virtual Cable Light Module Instructions d'installation et d'utilisation
CONFIDENTIAL Rev 1.0
Copyright 2003 ALPS Electric Co. LTD.
“BLUETOOTHTM is a trademark owned by the Bluetooth SIG Inc, and licensed to ALPS
ELECTRIC Co. LTD”
ALPS Virtual Cable Light Hardware
Application Note
REVISION 1.0
CONFIDENTIAL Rev 1.0
Copyright 2003 ALPS Electric Co. LTD.
“BLUETOOTHTM is a trademark owned by the Bluetooth SIG Inc, and licensed to ALPS
ELECTRIC Co. LTD”
1. Purpose............................................................................ 3
2. Description ...................................................................... 3
3. Operation ......................................................................... 4
3.1 Line Driver Power Switch........................................... 4
3.2 Data-Command control switch..................................4
3.3 Power Supply and Module Supply Switches ........... 5
3.3.1 Board Power Supply ............................................. 5
3.3.2 Module Power Supply ........................................... 5
3.4 Reset Switch................................................................ 5
CONFIDENTIAL Rev 1.0
Copyright 2003 ALPS Electric Co. LTD.
“BLUETOOTHTM is a trademark owned by the Bluetooth SIG Inc, and licensed to ALPS
ELECTRIC Co. LTD”
1. Purpose
This document is intended as a quick guide for the user to get up and running
quickly with the ALPS Virtual Cable Light modules, software and the hardware
boards on which the modules are mounted. The various switches and their
modes of operation will also be explained.
2. Description
The actual board used for the Virtual Cable Light module can be seen below.
It comprises of 2 boards connected to each other through a 10-pin connector.
The board on the right-hand side of the figure is where the module is mounted.
On the left-hand side of the above figure the line-driver board can be seen. This
Board is used to convert between TTL levels and RS232 levels. The boards can
be powered through a single 5V supply, which is connected to the board on
which the module is mounted. The line driver board is powered from that board.
In the following sections the function of each the 4 switches will be explained.
CONFIDENTIAL Rev 1.0
Copyright 2003 ALPS Electric Co. LTD.
“BLUETOOTHTM is a trademark owned by the Bluetooth SIG Inc, and licensed to ALPS
ELECTRIC Co. LTD”
3. Operation
In this section, it shall be described to the user how to connect and operate the
ALPS hardware platform when connected to the users’ PC. Also the function of
each switch will be covered.
3.1 Line Driver Power Switch
The board that is marked FX778Z11a (Serial Line Driver Board), contains one
switch that needs to be set depending on what power supply configuration the
user will adapt. The user can select either “EXT” mode or “INT” mode.
If the user selects “INT”, this board will be powered from the board marked
FX778Z11b. This board converts from RS232 levels to TTL and Vice Versa. The
D-SUB 9 pin connector is connected via a Serial “straight” Cable to the users’ PC
or embedded communication platform. The logic states of the RS232 signals can
also be monitored as each signal line is also connected to an LED.
3.2 Data-Command control switch.
This switch is located on the left-hand side of the USB connector on the board
marked FX778Z11b. The Virtual Cable light must have some way of knowing if
incoming data to the module is command or user data.
If the switch is set in the 3.3V position, the module recognizes this as a logic “1”
setting and allows the data to pass through as user data. If the switch is set in the
GND position, the module recognizes this as a logic “0” and will run all data
through its’ parser to process the AT-command being sent by the user.
CONFIDENTIAL Rev 1.0
Copyright 2003 ALPS Electric Co. LTD.
“BLUETOOTHTM is a trademark owned by the Bluetooth SIG Inc, and licensed to ALPS
ELECTRIC Co. LTD”
3.3 Power Supply and Module Supply Switches
The user has 2 possible options to power the board. One is by using an external
voltage supply and the second option is to supply through the VBUS line of the
USB connector. It is also important for the user to note that for this type of board
2 types of modules may be mounted. Depending on what module is being used,
the “Module Volt.” switch must be set accordingly.
By referring to the above Figure, both switches and their roles will be explained.
3.3.1 Board Power Supply
If the hardware is to be powered over an external power supply, the switch must
be set in the up, “EXT” position. To power over USB, the user must simply
connect a USB cable from the PC directly to the FX778Z11b board. The switch
must then be set in the down, “INT (VBUS POWER)” position.
3.3.2 Module Power Supply
Currently only Class 1 modules are being delivered with the Virtual Cable Light
package. However the board also supports Class 2 modules. If the user is using
a Class 1 “UGPZ1” module, the switch must be set to the up, “5.0V” position. If
the module being used is a Class 2 “UGPZ2” module, the switch must be set in
the down, “3.3V” position.
3.4 Reset Switch
This switch can be pressed each time the user wants to put the module back into
a known or initial state.
The switch is located just to the right of the “Application Control” switch.
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