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Download ITX-i290D
Transcript
Installation JSEL1/JSEL2: RS-232/422/485 Switch Headers (Optional) The headers determine that JCOM1 belongs to RS-232 (Default), 422, or 485. JSEL1 RS-232 RS-422 RS-485 1-3 3-5 3-5 2-4 4-6 4-6 7-9 9-11 9-11 8-10 10-12 10-12 JSEL2 1-2 RS-232 3-4 RS-422 5-6 RS-485 PCI1 2 12 2 6 1 11 1 5 JP2: Voltage Switch Header for JCOM2 This header is for controlling the Pin9 of JCOM2 to switch between Ring or 5V. Pin 1-2 Closed Pin9=5V Pin 2-3 Closed Pin9=Ring (Default) 1 1 1 1 1 1 3 3 3 3 3 3 1 3 1 3 1 3 PCI1 - 17 -
