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.
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.
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.
