Crestron Electronics CWD6782 Two-Way RF Transceiver Module User Manual Manual CWD6782 tp

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Crestron CWD6782
Two-Way RF Transceiver Module
Operations Guide
This document was prepared and written by the Technical Documentation department at:
Crestron Electronics, Inc.
15 Volvo Drive
Rockleigh, NJ 07647
1-888-CRESTRON
Regulatory Compliance
Federal Communications Commission (FCC) Compliance Statement
This device complies with part 15 of the FCC Rules. Operation is subject to the following conditions:
(1) This device may not cause harmful interference and (2) this device must accept any interference received,
including interference that may cause undesired operation.
CAUTION: Changes or modifications not expressly approved by the manufacturer responsible for compliance
could void the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B 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 if 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 connected
Consult the dealer or an experienced radio/TV technician for help
Industry Canada (IC) Compliance Statement
Operation is subject ot the following two conditions:
1. This device may not cause interference, and
2. This device must accept any interference, including interference that may cause undesired operation of the
device.
To satisfy RF exposure requirements, this device and its antenna must operate with a separation distance of at least
20 centimeters from all persons and must not be colocated or operating in conjunction with any other antenna or
transmitter.
All brand names, product names and trademarks are the property of their respective owners.
©2010 Crestron Electronics, Inc.
Crestron CWD6782
Two-Way RF Transceiver Module
Contents
Two-Way RF Transceiver Module: CWD6782 ..............................................1
Functions and Features .............................................................................................................. 1
Specifications............................................................................................................................. 2
Physical Description – CWD6782 with a SMD Antenna .......................................................... 3
Physical Description – CWD6782 with a Dipole Antenna ........................................................ 5
Setup .......................................................................................................................................... 7
Labeling ..................................................................................................................................... 7
Documentation........................................................................................................................... 8
Operations Guide - DOC. 7069A
Contents • i
Crestron CWD6782
Two-Way RF Transceiver Module
Two-Way RF Transceiver Module:
CWD6782
Functions and Features
The CWD6782 (hereafter referred to as “module”), with a dipole antenna or an integrated SMD
antenna, is a two-way radio frequency (RF) module that utilizes the 2.4 GHz frequency band to
communicate with other devices.
The module operates according to the IEEE 802.15.4 specification and can be configured to minimize
the possibility of interference with other devices.
The module receives RF signals from one or more Crestron devices and can transmit these signals over
the air for further processing (depending on the application).
Functional Summary
•
•
•
Operations Guide - DOC. 7069A
2.4 GHz frequency band, IEEE 802.15.4 specification
Range from 3 feet to 550 ft.
Operates on one of sixteen available channels to establish optimal
signal quality
Two-Way RF Transceiver Module: CWD6782 • 1
Two-Way RF Transceiver Module
Crestron CWD6782
Specifications
The table below is a summary of specifications for the CWD6782.
Specifications of the CWD6782
SPECIFICATION
DETAILS
Power Requirements
1.3 Watts (5VDC @ 0.26A)
Operating Frequency
2400 MHz to 2483.5 MHz (802.15.4 compliant)
Operating Ranges*
Minimum Distance
3 ft
Maximum Distance Indoors
(without repeater device)
550 ft
Available Channels
16 (numbered 11 through 26 per 802.15.4)
Antenna
Gain:
2.0±0.5 dBi max.
Type:
Sleeve Dipole Antenna
Frequency: 2.4GHz to 2.5 GHz
Connector Type: SMA Plug Reverse
Polarity Connector with ¼-36 UNS2B Screw
Antenna
Max. Gain: 1.8 dBi
Average Gain: -1.9 dBi
Type:
SMD
Frequency: 2.4GHz to 2.5 GHz
Dimensions
Width: 1.80 in (4.572 cm)
Height: 2.50 in (6.35 cm)
Depth: 0.45 in (1.143 cm)
The location and orientation of the module are important factors in the RF performance. With the unit located outside
of any metal enclosures, the antenna is adjusted to achieve the best range. The range is dependent on its placement and
the building in which it is used. The construction of the building, obstructions, and RF interference from other devices
are factors determining the effective range of the unit. To prevent unit-to-unit RF interference, multiple modules
operating at the same frequencies should not be installed within 3-5 feet of each other.
2 • Two-Way RF Transceiver Module: CWD6782
Operations Guide - DOC. 7069A
Crestron CWD6782
Two-Way RF Transceiver Module
Physical Description – CWD6782 with a SMD Antenna
The module, shown below, consists of various components attached to a printed circuit board. The
circuit board attaches an intended SMD mounting antenna while a 25pin D-SUB Male connector is for
the application-specific installation.
Physical View of CWD6782 (SMD antenna)
CWD6782 Detail Views
SIDE
BACK
RF SHIELD
SMD ANTENNA
1.90 inch
4.83 cm
PCB WITH RADIO
PIN 1
D-SUB 25 PIN
MALE CONNECTOR
PIN 25
PIN 24
PIN 2
0.45 inch
1.143 cm
P1
1.80 inch
4.572 cm
Ports
The module contains a 25pin D-SUB Male connector and a 10-pin debug header.
Refer to the diagrams and descriptions that follow.
Operations Guide - DOC. 7069A
Two-Way RF Transceiver Module: CWD6782 • 3
Two-Way RF Transceiver Module
Crestron CWD6782
Power/I-O
The 25pin D-SUB male connector provides power to the module as well as the communication
between the module and wired devices.
Refer to the following table for pin assignments of the module interface connector.
11
10
13
12
15
14
17
16
19
18
21
20
23
22
25
24
NOTE: Pin 22 and 24 provides power to the circuit card.
Power/I-O Pinout Signals
Pin #
Signal
Pin #
Signal
SPI_CLK
SPI_MISO
GP12
SPI_MOSI
GP4/PT1 EN
GP11/TM2IC_A
GP5/PT1_DATA
GND
GP6/ADC2
10
GND
11
GP7/ADC3
12
GND
13
GP8
14
GND
15
GP9/TXD
16
GND
17
GP10/RXD
18
GND
19
GP16/TM1OC_B
20
GND
21
GP15/TM1OC_A
22
+5V
23
GP14/TM2OC_B
24
+5V
25
GP13/TM2OC_A
4 • Two-Way RF Transceiver Module: CWD6782
Operations Guide - DOC. 7069A
Crestron CWD6782
Two-Way RF Transceiver Module
Physical Description – CWD6782 with a Dipole Antenna
The module, shown below, consists of various components attached to a printed circuit board. A SMA
reverse polarity female antenna port is located at the edge of the circuit board for the attaching of a
dipole antenna while a 5-pin Double Row Male connector is for the application-specific installation.
Physical View of CWD6782 (Dipole antenna)
CWD6782 Detail Views
SIDE
BACK
SMA PLUG REVERSE
POLARITY CONNECTOR
RF SHIELD
RF SHIELD
1.80 inch
4.572 cm
RF SHIELD
1.5" X 1.0" X 0.24"
PIN 10
PIN 2
HEADER, 5PIN, DBL ROW
0.050" X 0.05"LS, RT ANGLE, SM
0.40 inch
1.016 cm
PIN 1
P2
PIN 9
2.50 inch
6.35 cm
Ports
The module contains a 5-pin Double Row Male Connector, a 10-pin debug header, and one antenna
port.
Refer to the diagrams and descriptions that follow.
Operations Guide - DOC. 7069A
Two-Way RF Transceiver Module: CWD6782 • 5
Two-Way RF Transceiver Module
Crestron CWD6782
Power/I-O
The 5-pin Double Row Male Connector provides power to the module as well as the communication
between the module and wired devices. Refer to the following table for pin assignments of the module
interface connector.
CWD6782 POWER/ I-O PIN CONFIGURATION
10
P2
(Top View)
NOTE: Pin 3, 5 and 7 provides power to the circuit card.
Power/I-O Pinout Signals
Pin #
Signal
Pin #
Signal
GP10/RXD
GP9/TXD
+5V
GND
+5V
GND
+5V
GND
RESET
10
GND
6 • Two-Way RF Transceiver Module: CWD6782
Operations Guide - DOC. 7069A
Crestron CWD6782
Two-Way RF Transceiver Module
Setup
Refer to the hookup diagram below, which shows the connections made to the module. Complete the
connections in any order.
NOTE: To prevent unit-to-unit RF interference, multiple modules operating at the same frequencies
should not be installed within three to five feet of each other.
Hardware Hookup
HOST PCB
PIN 9
PIN 10
PIN 1
CABLE ASSY,
2 .5 IN C H
5 P IN D B L R O W
FEM ALE, CONNC.
HOST PCB
PIN 1
J3
PIN 2
PIN 2
P2
PIN 10
PIN 9
PIN 2
PIN 2
+5V
PIN 1
PIN 1
J5
RF SHIELD
PIN 25
PIN 24
PIN 24
CONTROL
P1
PIN 25
CWD6782
RADIO MODULE
Labeling
If the FCC identification number is not visible when the module is installed inside another device, then
the outside of the device into which the module is installed must also display a label referring to the
enclosed module. This exterior label can use wording such as the following: “Contains Transmitter
Module FCC ID: EROCWD6782” or “Contains FCC ID: EROCWD6782.” Any similar wording that
expresses the same meaning may be used.
Operations Guide - DOC. 7069A
Two-Way RF Transceiver Module: CWD6782 • 7
Two-Way RF Transceiver Module
Crestron CWD6782
Documentation
The OEM integrator has to be aware not to provide information to the end user regarding how to install
or remove this RF module in the users manual of the end product.
The users manual for OEM integrators must include the following information in a prominent location
“IMPORTANT NOTE: To comply with FCC RF exposure compliance
requirements, the antenna used for this transmitter must be installed to provide a
separation distance of at least 20 cm from all persons and must not be co-located
or operating in conjunction with any other antenna or transmitter.”
8 • Two-Way RF Transceiver Module: CWD6782
Operations Guide - DOC. 7069A
Crestron CWD6782
Two-Way RF Transceiver Module
This page is intentionally left blank.
Operations Guide - DOC. 7069A
Two-Way RF Transceiver Module: CWD6782 • 9
Crestron Electronics, Inc.
15 Volvo Drive Rockleigh, NJ 07647
Tel: 888.CRESTRON
Fax: 201.767.7576
www.crestron.com
Operations Guide – DOC. 7069A
05.10
Specifications subject to
change without notice.

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