REnex Technology PT108-0001001 2442MHz Wireless Modem User Manual

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Document ID	287381
Application ID	6Q13YtQkWlCEJx56bAojbQ==
Document Description	User Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	20.31kB (253865 bits)
Date Submitted	2002-12-04 00:00:00
Date Available	2002-12-04 00:00:00
Creation Date	2002-11-12 22:54:59
Producing Software	Acrobat 4.0 Scan Plug-in for Windows
Document Lastmod	2002-12-04 12:53:32
Document Title	User Manual
Document Creator	Acrobat 4.0 Scan Plug-in for Windows

FCC Declaration of Conformity
This device complies with Part 15 of the FCC Rules. Operation is subject
to the following two conditions: i) this device may not cause harmful
interference, and ii) this device must accept any interference received
including interference that may cause undesired operation.
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 the 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 try to correct the interference by one or
more of the following measures:
•
•
•
•
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from
that to which the receiver is needed.
Consult the dealer or an experienced radio/TV technician for help.
RS-232 DB9 shielded cable with ferrite must be used with this unit to
ensure compliance with the Class B FCC limits.
CAUTION: The model number PT-108U has maximum
transmitted output power of 0.5 Watt.
It is
recommended that the transmit antenna be kept at
least 20 cm away from nearby persons to satisfy FCC
RF exposure requirements. The antenna and
transmitter must not be co-located or operating in
conjunction with any other antenna or transmitter.
- iii -
3. Setup PT-108U
3.1 Setting up Connections
PT-108U modems are supposed to work properly when they are delivered from REnex. Hence, the
only thing users need to do is to make the appropriate application interface connections and power up.
The master and slave(s) shall communicate properly.
The pin definitions of the application interface are listed in Table 2. Users may connect the RS-232
pins to their equipment according to their practical situations. For any enquiry, please contact REnex
for further information.
3.2 Checking the Link
After finishing the physical connection setup mentioned above, PT-108U should be ready. If the
performance of the communication links is not satisfied or any linking problem is found, the following
steps may help you locate the problem.
1.
2.
3.
4.
5.
6.
7.
Install DB-9 connectors to the PT-108U modems as described in Section 2.4.
Connect each modem to a serial port of a PC.
Start a terminal program such as Hyper Terminal (http://www.hilgraeve.com, it may be found
in Microsoft Windows OS) for each serial port. Make sure the baud rate and data format
settings agree with those of PT-108U.
Type characters to the master’s terminal should appear at that of the slave’s and vice versa.
The TX LED should flash during transmitting data to the RF link.
The RX LED should flash during receiving data from the RF link.
Adjust the modem separations and the antenna direction to locate positions with the best
performance.
NOTE 2: PT-108U is highly sensitive to obstacles in its communication path.
Make sure the communicating modems are in line-of-sight. Otherwise, the
performance would drop significantly.
NOTE 3: Antenna height is a critical factor. Try to put the antenna to a
position as high as possible.


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