The Sapling LPA1 914 TO 928 MHz FREQUENCY HOPPING TRANSCEIVER MODULE User Manual R73LPA1

The Sapling Company, Inc 914 TO 928 MHz FREQUENCY HOPPING TRANSCEIVER MODULE R73LPA1

Contents

USERS MANUAL

User Manual
May 2012
914-928 MHz Frequency Hopping Transceiver Module
Model: PCB-LPA-MAIN1
FCC ID: R73LPA1
Introduction:
This module is only authorized to be installed in fixed mount installation and may not be
installed in a mobile or portable device.
The LPA-MAIN1 RF module is to be used in Sapling Analog Clocks such
as the SAL Series Clocks and equivalent models.
The module is only to be connected to other Sapling products.
Specifications:
The maximum output power will be 10 dBm.
The transmit cycle is a sequence of 57 data strings on 51 different
frequencies, each transmitted for 10 msec.
Every transmit cycle is 570 msec in duration (57 x 10ms).
The frequency hopping pattern is proprietary to Sapling and covers the range
from 914.688 to 927.488 MHz.
Connections:
The module should only be connected to and installed in other Sapling
products
.
The picture shows the LPA-MAIN1 RF module and connectors.
LPA-MAIN1
LPA-MAIN1
J4
J3
LPA-MAIN1 RF Connectors:
J3 PROGRAMMING CONNECTOR
PIN 1 TDO/TDI
PIN 2 3.3 VOLTS
PIN 3 TDI
PIN 4 3.3 VOLTS
PIN 5 S2 DRV (TMS)
PIN 6 1.8 VOLTS
PIN 7 TCLK
PIN 8 TEST
PIN 9 GROUND
PIN 10 GROUND
PIN 11 RST
PIN 12 TXD
PIN 13 SHIELD
PIN 14 RXD
* PIN 1 IS SQUARE PAD
J4 GEARBOX CONNECTOR
PIN 1 MOT SEC 1 1.8 VOLTS
PIN 2 MOT SEC 2
PIN 3 MOT MIN 1 1.8 VOLTS
PIN 4 MOT MIN 2
PIN 5 GRBX SEL A
PIN 6 GRBX SEL B
PIN 7 PWR DET
PIN 8 S1
PIN 9 GROUND
PIN 10 S2
PIN 11 3.3 VOLTS
PIN 12 GRBX DET
PIN 13 1.8 VOLTS
PIN 14 GROUND
* PIN 1 IS SQUARE PAD
Operation:
The module will transmit the time for 570 ms, as specified. Line powered
version will transmit once a minute. Battery powered version will transmit
every 2 hours.
FCC Statement:
This device complies with part 15 of the FCC Rules. Operation is subject to
the following two 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.
NOTE: THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY
RADIO OR TV INTERFERENCE CAUSED BY UNAUTHORIZED
MODIFICATIONS TO THIS EQUIPMENT. SUCH MODIFICATIONS
COULD VOID THE USER’S AUTHORITY TO OPERATE THE
EQUIPMENT.

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