[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"top-categories":3,"$fbVVeV4Qa_28Q0iDEjneK3M3tlswalHwqInbBcOuV-yg":104,"$fLwEFNbMxwkLT5lFGtrc6ShClGcKR-7cA95XpIlnU4LU":199},{"statusCode":4,"message":5,"data":6},200,"Found top categories!",[7,11,15,20,24,28,32,37,40,44,49,53,57,61,65,69,73,77,81,85,89,93,97,101],{"_id":8,"name":9,"slug":9,"posts_count":10},"65b98e6b00650ab0139663cb","philips",309,{"_id":12,"name":13,"slug":13,"posts_count":14},"65f193f50b38412280a12a8b","remington",224,{"_id":16,"name":17,"slug":18,"posts_count":19},"65b98303fb1e5a098bef4288","hamilton beach","hamilton-beach",215,{"_id":21,"name":22,"slug":22,"posts_count":23},"6603f189559bb40f61d73dc8","beurer",180,{"_id":25,"name":26,"slug":26,"posts_count":27},"66a23a3fe0221e50e61db0cb","midea",153,{"_id":29,"name":30,"slug":30,"posts_count":31},"660804c989b73d8967d265f8","eufy",145,{"_id":33,"name":34,"slug":35,"posts_count":36},"6a9fb99d5c45270d9f9c206c","fisher&paykel","fisherpaykel",138,{"_id":38,"name":39,"slug":39,"posts_count":36},"65b98fa1d7d1d87020daed54","tp-link",{"_id":41,"name":42,"slug":42,"posts_count":43},"65b97c51fb1e5a098bef4260","hp",135,{"_id":45,"name":46,"slug":47,"posts_count":48},"6a7b3040d0a08570392cf78c","ge appliances","ge-appliances",131,{"_id":50,"name":51,"slug":51,"posts_count":52},"65b998aad7d1d87020daef72","cuisinart",127,{"_id":54,"name":55,"slug":55,"posts_count":56},"65b9640247dc48a130b9ba12","jbl",124,{"_id":58,"name":59,"slug":59,"posts_count":60},"65b982e8fb1e5a098bef4283","boss",114,{"_id":62,"name":63,"slug":63,"posts_count":64},"6603ffea432eb2c5716ffe24","craftsman",111,{"_id":66,"name":67,"slug":67,"posts_count":68},"6a7edd76a4ec6f30ae365cfd","carrier",102,{"_id":70,"name":71,"slug":71,"posts_count":72},"6a38da0635740ca1a7be5a67","neomounts",100,{"_id":74,"name":75,"slug":75,"posts_count":76},"65f9637e55041d5cae9e88db","garmin",99,{"_id":78,"name":79,"slug":79,"posts_count":80},"65b99806fb1e5a098bef4423","netgear",96,{"_id":82,"name":83,"slug":83,"posts_count":84},"6901d6bc1c83bca499ec173a","aiwa",93,{"_id":86,"name":87,"slug":87,"posts_count":88},"6a4debda47666dc6def30a08","miele",86,{"_id":90,"name":91,"slug":91,"posts_count":92},"6608037d6af97e2169c54699","breville",84,{"_id":94,"name":95,"slug":95,"posts_count":96},"660153a35f81e3a1279b2c70","vornado",82,{"_id":98,"name":99,"slug":99,"posts_count":100},"660cff91ca2fbf082a6fd56b","asus",80,{"_id":102,"name":103,"slug":103,"posts_count":100},"6606e00391396ca9bc11cbac","panasonic",{"statusCode":4,"message":105,"data":106},"Post found!",{"post":107,"relatedPosts":170,"linkTags":195},{"_id":108,"title":109,"full_title":110,"content":111,"status":112,"category":113,"category_name":115,"tags":118,"published_at":136,"pdf_type":137,"doc_type":134,"faqs":138,"show_pdf":163,"meta_description":164,"createdAt":165,"updatedAt":166,"firebase_pdf_path":167,"firebase_pdf_url":168,"permalink":117,"feature_image_url":117,"category_title":169,"id":108},"6aec2456da602c71bb7dc3b6","Serial Card PEX16S550LP","Startech.com Serial Card PEX16S550LP User Manual","\u003Cdiv class=\"container\">\n  \u003Ch2>StarTech.com Serial Card PEX16S550LP Manual and Setup Guide\u003C\u002Fh2>\n  \u003Cp>The \u003Cstrong>startech.com Serial Card PEX16S550LP\u003C\u002Fstrong> adds 16 RS232 serial ports to a desktop computer or server through one PCI Express expansion slot. It is designed for organizations that need to connect several legacy or industrial serial devices without installing multiple adapter cards.\u003C\u002Fp>\n  \u003Cp>Two eight-port breakout cables provide access to all 16 DB9 serial connections, helping conserve internal expansion slots and keeping high-density installations organized. The card supports data transfer rates of up to 921.6 Kbps, making it suitable for many point-of-sale systems, barcode scanners, receipt printers, modems, industrial controllers, measuring equipment, and other RS232 peripherals.\u003C\u002Fp>\n  \u003Cp>A PCIe x1 interface allows installation in compatible x1, x4, x8, or x16 slots. The included low-profile bracket supports slim computer cases, while the full-profile bracket supports standard desktop and server chassis. This flexibility makes the PEX16S550LP useful for workstation upgrades, equipment-management systems, laboratory computers, and server-based serial communication.\u003C\u002Fp>\n  \u003Cp>The card is intended for IT administrators, system integrators, automation technicians, and businesses maintaining equipment that still relies on RS232 communication. It is especially useful when a USB serial hub cannot provide the desired port density, internal installation, or long-term deployment consistency.\u003C\u002Fp>\n\n  \u003Ch2>Pros and Cons of the PEX16S550LP 16-Port Serial Card\u003C\u002Fh2>\n  \u003Cul>\n    \u003Cli>\u003Cstrong>Pro: High port density.\u003C\u002Fstrong> Sixteen RS232 ports are available from one PCI Express card, reducing the need for several separate expansion cards.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Pro: Broad chassis compatibility.\u003C\u002Fstrong> The included low-profile and full-profile mounting options support both compact and standard computer cases.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Pro: Fast serial communication.\u003C\u002Fstrong> Transfer rates up to 921.6 Kbps provide more headroom than traditional low-speed serial adapters.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Pro: Flexible PCIe installation.\u003C\u002Fstrong> The card can operate in compatible PCI Express slots with different lane sizes, including x1, x4, x8, and x16 slots.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Pro: Port power configuration.\u003C\u002Fstrong> Jumper settings can provide selected power through serial connector pin 9 when the connected equipment requires it. Verify the device requirements before enabling this function.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Con: Requires an available internal PCIe slot.\u003C\u002Fstrong> It is not a plug-in USB accessory and cannot be installed in a computer without an accessible compatible expansion slot.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Con: Breakout cables need room.\u003C\u002Fstrong> The two eight-port cables can create more cable management work than a compact external adapter.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Best suited to:\u003C\u002Fstrong> Fixed workstations, servers, industrial systems, and high-density RS232 installations.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Consider another solution if:\u003C\u002Fstrong> Only one or two portable serial connections are needed or the computer has no internal expansion capacity.\u003C\u002Fli>\n  \u003C\u002Ful>\n\n  \u003Ch2>PEX16S550LP Technical Specifications\u003C\u002Fh2>\n  \u003Cul>\n    \u003Cli>\u003Cstrong>Product type:\u003C\u002Fstrong> 16-port PCI Express serial expansion card.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Serial standard:\u003C\u002Fstrong> RS232.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>External connections:\u003C\u002Fstrong> Sixteen DB9 serial ports provided through two eight-port breakout cables.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Host interface:\u003C\u002Fstrong> PCI Express x1.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Slot compatibility:\u003C\u002Fstrong> Compatible PCIe x1, x4, x8, and x16 slots.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Maximum data rate:\u003C\u002Fstrong> Up to 921.6 Kbps.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Port configuration:\u003C\u002Fstrong> Jumper-selectable power options are available for serial connector pin 9; configure only when required by the connected device.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>System form factors:\u003C\u002Fstrong> Full-profile and low-profile computer chassis.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Included hardware:\u003C\u002Fstrong> Serial card, full-profile bracket, two breakout cables, quick-start documentation, and optional DB9 connector hardware.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Required computer hardware:\u003C\u002Fstrong> A compatible host computer with an available PCI Express slot.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Operating system support:\u003C\u002Fstrong> Install the driver package appropriate to the host operating system and product revision.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Typical applications:\u003C\u002Fstrong> Industrial controls, serial terminals, point-of-sale equipment, scanners, printers, modems, and laboratory devices.\u003C\u002Fli>\n  \u003C\u002Ful>\n\n  \u003Ch2>Detailed Description: How the StarTech.com Serial Card PEX16S550LP Works\u003C\u002Fh2>\n  \u003Cp>The \u003Cstrong>startech.com Serial Card PEX16S550LP\u003C\u002Fstrong> converts one PCI Express expansion slot into 16 independently accessible RS232 communication ports. After installation, the operating system detects the serial controller and assigns communication port numbers to the connected interfaces. Applications can then communicate with individual devices using their assigned COM ports and the settings required by each peripheral.\u003C\u002Fp>\n  \u003Cp>The card connects internally to the motherboard through its PCIe edge connector. Two external breakout cables attach to the card and expose eight DB9 ports each. This arrangement keeps the circuit board inside the computer while allowing multiple serial devices to connect at the rear of the chassis.\u003C\u002Fp>\n  \u003Cp>In daily use, configure each application with the correct port number, baud rate, data bits, parity, and stop-bit settings. These values must match the connected equipment. Use suitable shielded RS232 cables where electrical noise may affect communication, and label both ends of every cable to simplify troubleshooting.\u003C\u002Fp>\n  \u003Cp>Routine care is limited to keeping the computer powered down during hardware servicing, preventing dust buildup around the expansion area, and checking that the breakout connectors remain firmly seated. Do not use liquid cleaners on the card or connectors. Clean the computer exterior and ventilation openings with power disconnected, using an appropriate dry or manufacturer-approved method.\u003C\u002Fp>\n\n  \u003Ch2>How to Install the PEX16S550LP Serial Card\u003C\u002Fh2>\n  \u003Col>\n    \u003Cli>Shut down the computer, disconnect the power cable, and remove peripheral connections as needed.\u003C\u002Fli>\n    \u003Cli>Open the computer case and identify an available PCI Express slot.\u003C\u002Fli>\n    \u003Cli>Select the full-profile or low-profile bracket that matches the chassis.\u003C\u002Fli>\n    \u003Cli>Remove the corresponding slot cover and insert the card evenly into the PCIe slot.\u003C\u002Fli>\n    \u003Cli>Secure the card to the chassis with the retaining screw.\u003C\u002Fli>\n    \u003Cli>Connect the breakout cables to the card and route them so they do not obstruct fans or airflow.\u003C\u002Fli>\n    \u003Cli>Close the case, reconnect the computer, and start the operating system.\u003C\u002Fli>\n    \u003Cli>Install the correct StarTech driver if the operating system does not configure the card automatically.\u003C\u002Fli>\n    \u003Cli>Open the operating system’s device-management utility and confirm that all serial ports appear without warning indicators.\u003C\u002Fli>\n    \u003Cli>Connect RS232 equipment one device at a time and test communication using the device manufacturer’s required settings.\u003C\u002Fli>\n  \u003C\u002Fol>\n\n  \u003Ch2>Configuration and Troubleshooting Tips\u003C\u002Fh2>\n  \u003Cul>\n    \u003Cli>\u003Cstrong>No ports detected:\u003C\u002Fstrong> Power off the computer and reseat the card. Confirm that the PCIe slot is enabled and that the required driver is installed.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Only some ports work:\u003C\u002Fstrong> Check both breakout-cable connections and inspect the cable ends for bent or damaged contacts.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Communication errors:\u003C\u002Fstrong> Verify baud rate, parity, data bits, stop bits, flow control, and the selected COM port in the application.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Device receives no power:\u003C\u002Fstrong> Confirm whether the equipment expects power on DB9 pin 9. Change jumper settings only after checking the device documentation.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Intermittent operation:\u003C\u002Fstrong> Separate serial cables from high-current or high-noise wiring, secure loose connectors, and test with a known-good RS232 cable.\u003C\u002Fli>\n    \u003Cli>\u003Cstrong>Unexpected COM numbering:\u003C\u002Fstrong> Reassign port numbers through the operating system’s serial-device settings, ensuring that each application uses the updated assignment.\u003C\u002Fli>\n  \u003C\u002Ful>\n\n  \u003Ch2>Who Should Choose This 16-Port PCIe RS232 Adapter?\u003C\u002Fh2>\n  \u003Cp>The \u003Cstrong>startech.com Serial Card PEX16S550LP\u003C\u002Fstrong> is a practical choice when a fixed computer must manage many RS232 devices simultaneously. Its combination of 16 ports, low-profile compatibility, PCI Express installation, and high transfer-rate support makes it well suited to industrial automation, retail systems, equipment testing, and legacy-device integration.\u003C\u002Fp>\n  \u003Cp>Before installation, confirm that the computer has a compatible PCIe slot, the chassis supports the selected bracket, and the connected equipment uses RS232 rather than RS422, RS485, or another serial standard. Correct interface matching and driver configuration are essential for reliable operation.\u003C\u002Fp>\n\u003C\u002Fdiv>","published",{"_id":114,"name":115,"slug":116,"logo_url":117,"id":114},"6aeae5676388fb3e1f8cc68e","startech.com","startechcom",null,[119,121,125,129,132],{"_id":120,"name":115,"slug":116,"id":120},"6aeae60eda602c71bb7c64b2",{"_id":122,"name":123,"slug":124,"id":122},"6aeb1476da602c71bb7c8657","16 port","16-port",{"_id":126,"name":127,"slug":128,"id":126},"6aec0960da602c71bb7da01c","serial card","serial-card",{"_id":130,"name":131,"slug":131,"id":130},"6aec2456da602c71bb7dc3b4","pex16s550lp",{"_id":133,"name":134,"slug":135,"id":133},"65b9a88a00650ab013966931","user manual","user-manual","2026-11-05T06:38:14.339Z","short",[139,142,145,148,151,154,157,160],{"question":140,"answer":141},"How do I install the startech.com Serial Card PEX16S550LP in a desktop computer?","Shut down the computer, disconnect the power cable, and remove the case cover. Install the card in an available PCI Express slot, then secure it with the case screw. The PEX16S550LP uses a PCIe x1 interface but can operate in compatible longer PCIe slots. Connect the two breakout cables to the card’s VHDCI-68 connectors and secure the low-profile or full-profile bracket before reconnecting power and starting the computer.",{"question":143,"answer":144},"How do I install drivers for the startech.com Serial Card PEX16S550LP on Windows?","Download the latest PEX16S550LP driver package from StarTech.com and extract the ZIP file completely. Open the folder matching your Windows architecture, right-click Setup, and choose Run as administrator. Follow the installation prompts and restart the computer if requested. Do not run the installer directly inside the compressed folder. After restarting, check Device Manager to confirm that the serial card and its ports appear without warning icons.",{"question":146,"answer":147},"Why is my startech.com Serial Card PEX16S550LP not detected in Windows?","Power off the computer and reseat the PEX16S550LP in the PCI Express slot, ensuring it is fully inserted and secured. Try another compatible PCIe slot if available. In Windows, open Device Manager and look for the card under an appropriate device category or as an unknown device. A yellow warning icon usually indicates a driver or configuration issue. Install the correct extracted driver package, then restart and check detection again.",{"question":149,"answer":150},"Can the startech.com Serial Card PEX16S550LP fit both low-profile and standard desktop computers?","Yes. The PEX16S550LP is designed for low-profile and full-profile desktop computers or servers. It is supplied with a low-profile bracket, while a full-profile bracket can be installed for a standard-height case. Replace the bracket carefully before fitting the card, and ensure the VHDCI-68 connectors align with the bracket openings. Confirm that the computer has an available compatible PCI Express slot and enough clearance for the breakout cables.",{"question":152,"answer":153},"What devices can I connect to the startech.com Serial Card PEX16S550LP?","The PEX16S550LP provides sixteen RS-232 serial ports through DB9 male connectors. It can connect compatible equipment such as industrial controllers, point-of-sale devices, console ports, laboratory instruments, and legacy peripherals. Verify the required serial standard, wiring, and communication settings before connecting equipment. RS-232 is not automatically interchangeable with RS-422, RS-485, or other serial standards, so use the correct adapter or interface when necessary.",{"question":155,"answer":156},"How can I identify and configure the COM ports on the startech.com Serial Card PEX16S550LP?","After driver installation, open Device Manager and expand Ports (COM & LPT) to view the assigned port numbers. Open a port’s Properties to review or change its COM number and communication settings. Configure the connected application with matching baud rate, data bits, parity, stop bits, and flow control. If a program only accepts low COM numbers, reassign an unused port carefully and avoid creating duplicate COM assignments.",{"question":158,"answer":159},"What should I do if a device connected to the startech.com Serial Card PEX16S550LP cannot communicate?","Confirm that the correct COM port is selected and that both devices use identical baud rate, data bits, parity, stop bits, and flow-control settings. Check whether the application expects a straight-through or null-modem cable, because RS-232 wiring varies by device. Test one port and one peripheral at a time, inspect the DB9 connections, and close other software that may be using the port. Reinstalling the driver can help resolve persistent port errors.",{"question":161,"answer":162},"How should I maintain the startech.com Serial Card PEX16S550LP for reliable operation?","Keep the computer powered off before removing or reconnecting the card or breakout cables. Prevent dust buildup around the PCIe slot and maintain adequate case airflow to reduce heat and intermittent faults. Avoid pulling cables by their wires, and secure DB9 connectors to prevent strain on the ports. Periodically inspect cables, brackets, and connectors for looseness or damage. Keep the installed driver package and operating-system updates documented for easier future troubleshooting.",true,"startech.com Serial Card PEX16S550LP adds 16 high-speed RS232 ports with PCIe, DB9, low-profile support, and 921.6 Kbps data rates—explore setup tips.","2026-11-05T06:38:14.341Z","2026-11-05T06:38:14.854Z","posts\u002F6aec2456da602c71bb7dc3b6\u002Fpdf\u002Fserial_card_pex16s550lp_user_manual.pdf","https:\u002F\u002Fmanualsfact.com\u002Fmedia\u002Fposts\u002F6aec2456da602c71bb7dc3b6\u002Fpdf\u002Fserial_card_pex16s550lp_user_manual.pdf","startech.com - Serial Card PEX16S550LP",[171,175,179,183,187,191],{"title":172,"full_title":173,"slug":174}," 16-Port USB-to-Serial Adapter Hub ICUSB23216FD","Startech.com  16-Port USB-to-Serial Adapter Hub ICUSB23216FD User Manual","startechcom-16-port-usb-to-serial-adapter-hub-icusb23216fd-user-manual",{"title":176,"full_title":177,"slug":178},"KVM Module For Rackmount Switch Modules CAB1631HD","Startech.com KVM Module For Rackmount Switch Modules CAB1631HD Owner Manual","startechcom-kvm-module-for-rackmount-switch-modules-cab1631hd-owner-manual",{"title":180,"full_title":181,"slug":182},"USB To Serial Adapter Cable ICUSB232V2","Startech.com USB To Serial Adapter Cable ICUSB232V2 User Manual","startechcom-usb-to-serial-adapter-cable-icusb232v2-user-manual",{"title":184,"full_title":185,"slug":186},"Industrial USB Hub With Power Adapter S5G16AINDS","Startech.com Industrial USB Hub With Power Adapter S5G16AINDS User Manual","startechcom-industrial-usb-hub-with-power-adapter-s5g16ainds-user-manual",{"title":188,"full_title":189,"slug":190},"Deep Vented Server Room Equipment Wall Mount Shelf WALLSHELF","Startech.com Deep Vented Server Room Equipment Wall Mount Shelf WALLSHELF User Manual","startechcom-deep-vented-server-room-equipment-wall-mount-shelf-wallshelf-user-manual",{"title":192,"full_title":193,"slug":194}," 16-Port Industrial USB Gen 1 Hub 5G16AINDS","Startech.com  16-Port Industrial USB Gen 1 Hub 5G16AINDS User Manual","startechcom-16-port-industrial-usb-gen-1-hub-5g16ainds-user-manual",[196,197,198],{"name":115,"slug":116},{"name":123,"slug":124},{"name":134,"slug":135},{"statusCode":4,"message":200,"data":201},"Found all comments!",[]]