{"id":51323,"date":"2026-09-08T07:38:15","date_gmt":"2026-09-08T07:38:15","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/31305-2-comtrol-rocketport-express-4j-serial-adapter-pcie-rs-232-422-485-x-4\/"},"modified":"2026-09-08T07:38:23","modified_gmt":"2026-09-08T07:38:23","slug":"31305-2-comtrol-rocketport-express-4j-serial-adapter-pcie-rs-232-422-485-x-4","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/31305-2-comtrol-rocketport-express-4j-serial-adapter-pcie-rs-232-422-485-x-4\/","title":{"rendered":"31305-2 Comtrol RocketPort EXPRESS 4J serial adapter PCIe RS-232\/422\/485 x 4"},"content":{"rendered":"<p>31305-2 Technical Specifications<\/p>\n<p>Comtrol RocketPort EXPRESS 4J serial adapter PCIe RS-232\/422\/485 x 4<\/p>\n<p>Brand: Comtrol<\/p>\n<p>Product Line: Comtrol RocketPort<\/p>\n<p>Model: EXPRESS 4J<\/p>\n<p>Manufacturer: Comtrol<\/p>\n<p>Network &#038; Communication<\/p>\n<p>Connectivity Technology: Wired<\/p>\n<p>Data Link Protocols: RS-232, RS-422, RS-485<\/p>\n<p>Data Transfer Rate: 921.6 Kbps<\/p>\n<p>Form Factor: Plug-in card<\/p>\n<p>Host Interface: PCI Express x1<\/p>\n<p>Product Type: Serial adapter<\/p>\n<p>Expansion Slots<\/p>\n<p>Compatible Slots Required: 1 x PCI Express x1<\/p>\n<p>Connectivity<\/p>\n<p>Interface Provided: 4 x RS-232\/422\/485 \u2013 RJ-45<\/p>\n<p>Port Quantity: 4<\/p>\n<p>Network &#038; Adapter Ports: RS-232\/422\/485<\/p>\n<p>Technical Information<\/p>\n<p>Max Operating Temperature: 140 degree Fahrenheit<\/p>\n<p>Min Operating Temperature: 32 degree Fahrenheit<\/p>\n<p>Operating Humidity: 5 \u2013 95% (non-condensing)<\/p>\n<p>Product Information<\/p>\n<p>Packaged Quantity: 1<\/p>\n<p>Dimensions &#038; Weight<\/p>\n<p>Height: 4 inch<\/p>\n<p>Weight: 2.89 ounce<\/p>\n<p>Depth: 4.7 inch<\/p>\n<p>Certifications &#038; Listings<\/p>\n<p>Compliant Standards: FCC Part 15 B, RoHS<\/p>\n","protected":false},"excerpt":{"rendered":"<p>31305-2 Overview<\/p>\n<p>Comtrol\u2019s RocketPort EXPRESS 4J serial port expansion card provides four \u201cnative\u201d serial ports utilizing a single PCIe card slot and is compatible with all PCI Express bus architectures. The RJ45 serial ports, mounted on the edge of the card, support software configurable RS-232\/422\/485 serial communications at speeds up to 921.6 Kbps.<\/p>\n","protected":false},"featured_media":51324,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[7262],"product_cat":[7263,680],"product_tag":[682,356],"class_list":["post-51323","product","type-product","status-publish","has-post-thumbnail","product_brand-comtrol","product_cat-comtrol-controller","product_cat-controllers","product_tag-controller-card","product_tag-pci-express","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>31305-2 Comtrol RocketPort EXPRESS 4J serial adapter PCIe RS-232\/422\/485 x 4 - Geek Tech Sol<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/geektechsol.com\/index.php\/product\/31305-2-comtrol-rocketport-express-4j-serial-adapter-pcie-rs-232-422-485-x-4\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"31305-2 Comtrol RocketPort EXPRESS 4J serial adapter PCIe RS-232\/422\/485 x 4 - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"31305-2 Overview Comtrol\u2019s RocketPort EXPRESS 4J serial port expansion card provides four \u201cnative\u201d serial ports utilizing a single PCIe card slot and is compatible with all PCI Express bus architectures. 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