{"id":167001,"date":"2025-06-25T13:17:29","date_gmt":"2025-06-25T13:17:29","guid":{"rendered":"https:\/\/opticon.com\/news\/usb-composite-devices\/"},"modified":"2026-07-17T08:56:16","modified_gmt":"2026-07-17T08:56:16","slug":"usb-composite-devices","status":"publish","type":"news","link":"https:\/\/opticon.com\/pt-br\/news\/usb-composite-devices\/","title":{"rendered":"Dispositivos compostos USB"},"content":{"rendered":"\n<div style=\"height:65px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<h1 class=\"wp-block-heading has-text-color has-link-color wp-elements-0803388575d32f16c903abcc3d0f1c05\" style=\"color:#006eb6;font-size:28px;text-transform:uppercase\"><strong>Dispositivos compostos USB<\/strong><\/h1>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.3%\"><p>A maioria dos nossos scanners USB suporta duas op\u00e7\u00f5es de interface:<\/p>\n\n\n<ul class=\"wp-block-list\"><li>USB-HID (teclado)<\/li>\n\n<li>USB serial (porta COM virtual)<\/li><\/ul>\n\n\n<p>Voc\u00ea pode escolher um modo dependendo de suas necessidades.<\/p>\n\n<p>O L-250, o P-250 e o Q-250 s\u00e3o diferentes, s\u00e3o dispositivos compostos USB, o que significa que funcionam como teclado e porta serial ao mesmo tempo em uma \u00fanica conex\u00e3o USB.<\/p>\n\n<p><strong>O que isso significa?<\/strong><\/p>\n\n\n<ul class=\"wp-block-list\"><li>Modo teclado (HID): o leitor envia os dados do c\u00f3digo de barras como se voc\u00ea os tivesse digitado, sem a necessidade de drivers.<\/li>\n\n<li>Modo Serial (VCP): Ao mesmo tempo, aparece como uma porta COM para comunica\u00e7\u00e3o avan\u00e7ada com software ou sistemas embarcados.<\/li><\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.6%\">\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1905\" height=\"667\" src=\"https:\/\/opticon.com\/app\/uploads\/250-series-composite-devices-1905x667.webp\" alt=\"\" class=\"wp-image-161227\" style=\"width:700px\" srcset=\"https:\/\/opticon.com\/app\/uploads\/250-series-composite-devices-1905x667.webp 1905w, https:\/\/opticon.com\/app\/uploads\/250-series-composite-devices-300x105.webp 300w, https:\/\/opticon.com\/app\/uploads\/250-series-composite-devices-768x269.webp 768w, https:\/\/opticon.com\/app\/uploads\/250-series-composite-devices-1536x538.webp 1536w, https:\/\/opticon.com\/app\/uploads\/250-series-composite-devices-2048x717.webp 2048w, https:\/\/opticon.com\/app\/uploads\/250-series-composite-devices-600x210.webp 600w\" sizes=\"auto, (max-width: 1905px) 100vw, 1905px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><p><strong>Vantagens de uma interface composta:<\/strong><\/p>\n\n\n<ol class=\"wp-block-list\"><li>Dois modos em um dispositivo: funciona com sistemas b\u00e1sicos e avan\u00e7ados.<\/li>\n\n<li>Integra\u00e7\u00e3o flex\u00edvel: alterne facilmente entre modos usando comandos seriais, sem necessidade de reconfigura\u00e7\u00e3o manual.<\/li>\n\n<li>N\u00e3o \u00e9 necess\u00e1rio hardware extra: um dispositivo substitui o teclado e os scanners somente seriais.<\/li>\n\n<li>Ampla compatibilidade: compat\u00edvel com a maioria dos sistemas operacionais sem drivers adicionais.<\/li>\n\n<li>Configura\u00e7\u00e3o f\u00e1cil: configur\u00e1vel por meio de c\u00f3digos de configura\u00e7\u00e3o ou software.<\/li>\n\n<li>Desempenho confi\u00e1vel: usa protocolos USB padr\u00e3o (HID e CDC), garantindo estabilidade.<\/li><\/ol>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><p><strong>Desvantagens de uma interface composta:<\/strong><\/p>\n\n\n<ol class=\"wp-block-list\"><li>Enumera\u00e7\u00e3o mais complexa: o dispositivo aparece como duas interfaces USB, o que pode confundir alguns sistemas ou exigir configura\u00e7\u00e3o extra.<\/li>\n\n<li>Problemas de compatibilidade em determinadas plataformas: alguns sistemas incorporados ou sistemas operacionais mais antigos podem n\u00e3o oferecer suporte adequado a dispositivos compostos USB.<\/li>\n\n<li>Maior uso de recursos do sistema: duas interfaces exigem um pouco mais de largura de banda USB e capacidade de processamento.<\/li>\n\n<li>Complexidade de integra\u00e7\u00e3o de software: os aplicativos devem manipular ou selecionar corretamente a interface pretendida; o uso simult\u00e2neo nem sempre \u00e9 compat\u00edvel.<\/li><\/ol>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><p><strong>Configura\u00e7\u00e3o somente HID dispon\u00edvel:<\/strong><br>Para sistemas que n\u00e3o suportam dispositivos compostos USB, uma configura\u00e7\u00e3o somente HID est\u00e1 dispon\u00edvel. Neste modo, o scanner funciona estritamente como um dispositivo de entrada de teclado, garantindo compatibilidade m\u00e1xima com sistemas limitados ou mais antigos.<\/p>\n\n<p><strong>Resumo<\/strong><\/p>\n\n<p>O L-250, P-250 e Q-250 oferecem conectividade USB flex\u00edvel combinando os modos HID e Serial em um \u00fanico dispositivo. Para sistemas com suporte USB limitado, uma op\u00e7\u00e3o somente HID garante uma integra\u00e7\u00e3o simples e confi\u00e1vel.<\/p><\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><p><strong>Como mudar de interface?<\/strong><br>Baixe nosso guia aqui para encontrar c\u00f3digos QR \u00fateis para alternar facilmente entre interfaces. <\/p><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\"><div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.opticon.com\/support\/USB%20Composite%20device%20mode.pdf\">Baixe aqui<\/a><\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>O L-250, P-250 e Q-250 s\u00e3o dispositivos compostos USB, o que significa que funcionam como teclado e porta serial ao mesmo tempo em uma \u00fanica conex\u00e3o USB.<\/p>\n","protected":false},"featured_media":159804,"template":"","class_list":["post-167001","news","type-news","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dispositivos compostos USB - Opticon<\/title>\n<meta name=\"description\" content=\"Os L-250\/P-250\/Q-250 s\u00e3o diferentes, s\u00e3o dispositivos compostos USB. 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