RF Module
1.1 Introduction
EchoStream RF modules allow the assimilation of any user-specific application into an
EchoStream system. The RF modules can be integrated with your existing product to
provide you with complete EchoStream functionality.
1.1.1 E*1941 One-Way RF Module
The E*1941 is a universal one way RF module with a two alarm input pins, allowing for
the use of dual inputs. Input one is the primary alarm, bit 0; input two is the secondary
alarm bit 1.
Serial Output
N/O- N/C
Selection Pins
Mounting Hole
Serial Input
Secondary
Alarm
Power
Ground
Primary
Alarm
Figure 1-1 E*1941 Dual-Input Universal Transmitter Components
N/O - N/C selection pins
Tamper Input
Reset Input
2.525”
1.3”
Place a jumper to select whether the inputs are normally open
or normally closed.
Serial output Connects a serial device to output RF messages from the ES1941.
Serial input Connects a serial device to input RF messages to the ES1941.
Inovonics Wireless Confidential: Subject to Non-Disclosure Agreement
1
Introduction
Secondary alarm Connects a secondary end-device to provide RF alarm data for any
user-specific application.
Tamper input Connects a tamper input to send a message when user-specific end-device
is tampered with.
Reset input Connects a reset input, to reset the RF module after a frequency band
selection change or N/O - N/C selection change.
Power The E*1941 has an on-board voltage regulator. Connect power cabling to an
external power supply of 2.5 to 5.5 volts. Voltage must be sustained at 2.5 volts or above
and supply 50 milliamps during the transmit cycle.
Ground Connects a ground.
Primary alarm Connects a primary end-device to provide RF alarm data for any user-
specific application.
Mounting Hole Used to mount the RF module to the user-specific product. The
mounting hole should only be used with a nylon standoff, never metal.
Connection Output Jumper N/O Output Jumper N/C
Primary Alarm
Secondary Alarm
Tamper
Reset
Open Alarm Clear Alarm
Ground Alarm Alarm Clear
Open Alarm Clear Alarm
Ground Alarm Alarm Clear
Open Alarm Alarm
Ground Alarm Clear Alarm Clear
Open for normal operation; connect to the ground and release for a board
reset.
2
Inovonics Wireless Confidential: Subject to Non-Disclosure Agreement
RF Module
1.1.2 FCC Label Requirements
Inovonics Wireless has received Federal Communications Commission (FCC) and
Industry Canada (IC) approval to market RF modules. The application integrator is
responsible for properly labeling the product containing the RF module. Labels must be
placed on the outside of the product, and must include the FCC registration number, the
IC registration number and the FCC statement as shown in the sample label below:
Inovonics Wireless Confidential: Subject to Non-Disclosure Agreement
3
Loading...