{"product_id":"com-1c2-usb","title":"COM-1C2-USB","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003cmeta name=\"description\" content=\"The COM-1C2-USB is a no-isolated RS-232C serial micro converter for USB 2.0. Features up to 921,600 bps, 128\/384 byte FIFO, bus-powered, and Windows\/Linux COM port driver support. Contec Americas.\"\u003e \u003clink rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\"\u003e \u003clink rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin=\"\"\u003e \u003clink rel=\"stylesheet\" href=\"https:\/\/fonts.googleapis.com\/css2?family=Barlow:ital,wght@0,400;0,500;0,600;1,400\u0026amp;family=Barlow+Condensed:wght@600;700\u0026amp;display=swap\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n    .sfx-post{font-family:'Barlow',sans-serif!important;font-size:17px!important;line-height:1.78!important;color:#1A2B3C!important;max-width:800px;margin:0 auto}\n    .sfx-post *{box-sizing:border-box}\n    .sfx-post a{color:#6DC133}\n    .sfx-post p{margin:0 0 1.25rem!important;font-size:1em!important;line-height:1.8!important;color:#1A2B3C!important}\n    .sfx-intro-deck{font-size:1.1em!important;font-style:italic;color:#4A5568!important;border-left:4px solid #6DC133;padding:.8rem 1.25rem!important;margin:0 0 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class=\"sfx-post\"\u003e\n\u003c!-- QUOTE CTA --\u003e \u003cbutton style=\"width: 100%; justify-content: center; font-size: 1em!important; padding: 1rem 1.5rem!important; border-radius: 4px; margin-bottom: 1.5rem;\" data-product-id=\"8779066048683\" class=\"btn button rfq-btn rfq-btn-0 sfx-btn\" type=\"button\" id=\"rfq-btn-0\"\u003e Contact Sales Department for Pricing \u003c\/button\u003e \u003c!-- BADGE STRIP --\u003e\n\u003cdiv class=\"sfx-badge-strip\"\u003e\n\u003cspan class=\"sfx-badge sfx-badge-new\"\u003eNew\u003c\/span\u003e \u003cspan class=\"sfx-badge sfx-badge-green\"\u003eRS-232C Serial\u003c\/span\u003e \u003cspan class=\"sfx-badge sfx-badge-green\"\u003e921,600 bps\u003c\/span\u003e \u003cspan class=\"sfx-badge sfx-badge-green\"\u003eBus Powered\u003c\/span\u003e \u003cspan class=\"sfx-badge sfx-badge-green\"\u003e128\/384 Byte FIFO\u003c\/span\u003e \u003cspan class=\"sfx-badge sfx-badge-dark\"\u003eUSB 2.0\u003c\/span\u003e \u003cspan class=\"sfx-badge sfx-badge-dark\"\u003eVCCI-A · FCC-A · CE · UKCA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- HERO BLURB --\u003e\n\u003cp class=\"sfx-intro-deck\"\u003eCompact RS‑232C serial converter for USB. The COM‑1C2‑USB delivers up to 921,600 bps with 128‑byte transmit and 384‑byte receive FIFO buffers. Bus‑powered, no external power needed. Works as a standard Windows\/Linux COM port. Includes gender changer for direct modem connection. From Contec Americas.\u003c\/p\u003e\n\u003c!-- STAT ROW --\u003e\n\u003cdiv class=\"sfx-stat-row\"\u003e\n\u003cdiv class=\"sfx-stat\"\u003e\n\u003cspan class=\"sfx-stat-num\"\u003e1\u003c\/span\u003e \u003cspan class=\"sfx-stat-label\"\u003eRS-232C Channel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sfx-stat\"\u003e\n\u003cspan class=\"sfx-stat-num\"\u003e921.6\u003c\/span\u003e \u003cspan class=\"sfx-stat-label\"\u003ekbps Max Baud Rate\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sfx-stat\"\u003e\n\u003cspan class=\"sfx-stat-num\"\u003e128\/384\u003c\/span\u003e \u003cspan class=\"sfx-stat-label\"\u003eByte FIFO (Tx\/Rx)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sfx-stat\"\u003e\n\u003cspan class=\"sfx-stat-num\"\u003e127\u003c\/span\u003e \u003cspan class=\"sfx-stat-label\"\u003eMax Converters per System\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- CTA BANNER --\u003e\n\u003cdiv class=\"sfx-cta-banner\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"sfx-cta-banner-label\"\u003eContec Americas · Serial I\/O\u003c\/div\u003e\n\u003cdiv class=\"sfx-cta-banner-title\"\u003eCOM‑1C2‑USB\u003c\/div\u003e\n\u003cdiv class=\"sfx-cta-banner-sub\"\u003eRS‑232C USB Converter · 921,600 bps · FIFO · Bus Powered\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ca class=\"sfx-btn\" rel=\"noopener\" href=\"https:\/\/us.contec.com\/collections\/serial-io\" target=\"_blank\"\u003eView Collection\u003c\/a\u003e\n\u003c\/div\u003e\n\u003chr class=\"sfx-divider\"\u003e\n\u003c!-- SECTION 01 --\u003e\n\u003cdiv class=\"sfx-section-head\"\u003e\n\u003cspan aria-hidden=\"true\" class=\"sfx-section-num\"\u003e01\u003c\/span\u003e\n\u003ch2 class=\"sfx-section-title\"\u003eHigh‑Speed RS‑232C\u003cbr\u003eUSB Converter\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe COM‑1C2‑USB is a compact micro converter that adds one RS‑232C serial port to any PC via USB. With baud rates up to 921,600 bps and 128\/384 byte FIFO buffers, it is ideal for industrial automation, POS systems, and legacy device connectivity. The unit is bus‑powered and works as a standard Windows\/Linux COM port with our COM‑DRV driver software.\u003c\/p\u003e\n\u003cdiv class=\"sfx-compare-grid\"\u003e\n\u003cdiv class=\"sfx-compare-card dark\"\u003e\n\u003cspan class=\"sfx-compare-card-header\"\u003eKey Features\u003c\/span\u003e\n\u003cdiv class=\"sfx-compare-card-body\"\u003e\n\u003cul\u003e\n\u003cli\u003e1 RS‑232C port\u003c\/li\u003e\n\u003cli\u003e921,600 bps max\u003c\/li\u003e\n\u003cli\u003e128‑byte Tx \/ 384‑byte Rx FIFO\u003c\/li\u003e\n\u003cli\u003e9‑pin D‑SUB (female)\u003c\/li\u003e\n\u003cli\u003eBus‑powered (no external power)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sfx-compare-card green\"\u003e\n\u003cspan class=\"sfx-compare-card-header\"\u003eSoftware \u0026amp; Compatibility\u003c\/span\u003e\n\u003cdiv class=\"sfx-compare-card-body\"\u003e\n\u003cul\u003e\n\u003cli\u003eWindows COM port driver\u003c\/li\u003e\n\u003cli\u003eLinux COM port driver\u003c\/li\u003e\n\u003cli\u003eWin32 API \/ DCB structures\u003c\/li\u003e\n\u003cli\u003eLinux system calls\u003c\/li\u003e\n\u003cli\u003eDiagnostic programs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sfx-callout\"\u003e\n\u003cp\u003e\u003cstrong\u003eWorks as a standard COM port\u003c\/strong\u003e – Use the COM‑DRV driver to make the COM‑1C2‑USB appear as a native COM port in Windows and Linux. Compatible with Win32 API, .NET SerialPort, Python pyserial, and Linux‑standard system calls.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr class=\"sfx-divider\"\u003e\n\u003c!-- SECTION 02 --\u003e\n\u003cdiv class=\"sfx-section-head\"\u003e\n\u003cspan aria-hidden=\"true\" class=\"sfx-section-num\"\u003e02\u003c\/span\u003e\n\u003ch2 class=\"sfx-section-title\"\u003ePlug \u0026amp; Play Serial\u003cbr\u003eConnectivity\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cp\u003eDesigned for ease of use in a variety of applications. The COM‑1C2‑USB features a 9‑pin D‑SUB female connector with included gender changer, allowing direct connection to modems or standard serial cables. The compact design (78.3×20.5×36.5 mm) makes it ideal for portable use and space‑constrained installations.\u003c\/p\u003e\n\u003cul class=\"sfx-list\"\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eUSB 2.0 compatible\u003c\/strong\u003e – Supports Full‑speed (12 Mbps) transfer. Compatible with USB 1.1.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBus‑powered\u003c\/strong\u003e – No external power required. Consumes 5VDC 50mA (max).\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIncluded gender changer\u003c\/strong\u003e – Allows direct connection to devices with 9‑pin D‑SUB male connectors.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eUp to 127 converters\u003c\/strong\u003e – Connect multiple units to a single PC using USB hubs.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSoftware control lines\u003c\/strong\u003e – RTS, CTS, DTR, DSR can be controlled and monitored via software.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"sfx-divider\"\u003e\n\u003c!-- SECTION 03 --\u003e\n\u003cdiv class=\"sfx-section-head\"\u003e\n\u003cspan aria-hidden=\"true\" class=\"sfx-section-num\"\u003e03\u003c\/span\u003e\n\u003ch2 class=\"sfx-section-title\"\u003eFull Specifications\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sfx-table-wrap\"\u003e\n\u003ctable class=\"sfx-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eCOM-1C2-USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of channels\u003c\/td\u003e\n\u003ctd\u003e1 channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface type\u003c\/td\u003e\n\u003ctd\u003eRS-232C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransfer method\u003c\/td\u003e\n\u003ctd\u003eAsynchronous serial transfer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud rate\u003c\/td\u003e\n\u003ctd\u003e300 – 921,600 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData length\u003c\/td\u003e\n\u003ctd\u003e7, 8 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStop bits\u003c\/td\u003e\n\u003ctd\u003e1, 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParity check\u003c\/td\u003e\n\u003ctd\u003eEven, Odd, Non‑parity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController chip\u003c\/td\u003e\n\u003ctd\u003eXR21V1410 (128‑byte Tx \/ 384‑byte Rx FIFO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnecting distance\u003c\/td\u003e\n\u003ctd\u003eWithin 15m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperation guaranteed voltage\u003c\/td\u003e\n\u003ctd\u003e5V ±5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower consumption\u003c\/td\u003e\n\u003ctd\u003e5VDC 50mA (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB specification\u003c\/td\u003e\n\u003ctd\u003eUSB 2.0 \/ 1.1, Full‑speed (12 Mbps)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower supply\u003c\/td\u003e\n\u003ctd\u003eBus power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable length\u003c\/td\u003e\n\u003ctd\u003e1.8m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (mm)\u003c\/td\u003e\n\u003ctd\u003e78.3(W) × 20.5(D) × 36.5(H)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e130g (140g with gender changer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e0 – 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating humidity\u003c\/td\u003e\n\u003ctd\u003e10 – 90%RH (no condensation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandards\u003c\/td\u003e\n\u003ctd\u003eVCCI Class A, FCC Class A, CE (EMC Class A, RoHS), UKCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded items\u003c\/td\u003e\n\u003ctd\u003eProduct (gender changer attached), manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDatasheet version\u003c\/td\u003e\n\u003ctd\u003eAs of December 2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr class=\"sfx-divider\"\u003e\n\u003c!-- SECTION 04 – Optional accessories --\u003e\n\u003cdiv class=\"sfx-section-head\"\u003e\n\u003cspan aria-hidden=\"true\" class=\"sfx-section-num\"\u003e04\u003c\/span\u003e\n\u003ch2 class=\"sfx-section-title\"\u003eOptional Accessories\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 0.95em; color: #4a5568;\"\u003eNo optional accessories are listed in the product datasheet. Standard RS‑232C serial cables can be used with the 9‑pin D‑SUB connector.\u003c\/p\u003e\n\u003chr class=\"sfx-divider\"\u003e\n\u003c!-- SECTION 05 – Certifications --\u003e\n\u003cdiv class=\"sfx-section-head\"\u003e\n\u003cspan aria-hidden=\"true\" class=\"sfx-section-num\"\u003e05\u003c\/span\u003e\n\u003ch2 class=\"sfx-section-title\"\u003eCertifications and\u003cbr\u003eCompliance\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cul class=\"sfx-list\"\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eVCCI Class A\u003c\/strong\u003e — Japanese voluntary control for electromagnetic interference (commercial\/industrial environments).\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFCC Class A\u003c\/strong\u003e — U.S. emissions compliance for industrial use environments.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCE (EMC Directive Class A, RoHS Directive)\u003c\/strong\u003e — European conformity for electromagnetic compatibility and restriction of hazardous substances.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eUKCA\u003c\/strong\u003e — UK Conformity Assessed marking for UK market compliance.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"sfx-divider\"\u003e\n\u003c!-- CLOSING DARK BAND --\u003e\n\u003cdiv class=\"sfx-dark-band\"\u003e\n\u003ch2\u003eReady to add RS‑232C serial via USB?\u003c\/h2\u003e\n\u003cp\u003eThe COM‑1C2‑USB is available through Contec Americas on a quote basis. Contact our sales team to discuss quantity, accessories, and integration with your serial communication systems.\u003c\/p\u003e\n\u003cbutton data-product-id=\"8779066048683\" class=\"btn button rfq-btn rfq-btn-1 sfx-btn\" type=\"button\" id=\"rfq-btn-1\"\u003eContact Sales Department for Pricing\u003c\/button\u003e\n\u003c\/div\u003e\n\u003c!-- SEO TAGS --\u003e\n\u003cdiv class=\"sfx-tags\"\u003e\n\u003cspan class=\"sfx-tags-label\"\u003eTags \u003c\/span\u003e \u003cspan class=\"sfx-tag\"\u003eCOM-1C2-USB\u003c\/span\u003e \u003cspan class=\"sfx-tag\"\u003eRS-232C USB\u003c\/span\u003e \u003cspan class=\"sfx-tag\"\u003eSerial Converter\u003c\/span\u003e \u003cspan class=\"sfx-tag\"\u003eUSB to Serial\u003c\/span\u003e \u003cspan class=\"sfx-tag\"\u003e921600 bps\u003c\/span\u003e \u003cspan class=\"sfx-tag\"\u003eFIFO Serial\u003c\/span\u003e \u003cspan class=\"sfx-tag\"\u003eMicro Converter\u003c\/span\u003e \u003cspan class=\"sfx-tag\"\u003eContec USB\u003c\/span\u003e \u003cspan class=\"sfx-tag\"\u003eIndustrial Serial\u003c\/span\u003e \u003cspan class=\"sfx-tag\"\u003eCOM Port\u003c\/span\u003e \u003cspan class=\"sfx-tag\"\u003eWindows COM Driver\u003c\/span\u003e \u003cspan class=\"sfx-tag\"\u003eLinux COM Driver\u003c\/span\u003e \u003cspan class=\"sfx-tag\"\u003eFactory Automation\u003c\/span\u003e \u003cspan class=\"sfx-tag\"\u003ePOS System\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Contec Americas","offers":[{"title":"Default Title","offer_id":47332020846763,"sku":"LRLR521","price":69.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0321\/0857\/6904\/files\/com-1_usb_h_rgb_96dpi_500x500_39a04c07-b0f8-4187-9489-f48648060bd3.jpg?v=1783029159","url":"https:\/\/us.contec.com\/en-ca\/products\/com-1c2-usb","provider":"Contec eShop","version":"1.0","type":"link"}