{"title":"Port Extender Hubs and Professional USB Extension Hardware","description":"\u003cp\u003ePort Extender hardware configurations provide the fundamental infrastructure required for comprehensive device management across modern corporate workstations, expanding connectivity options significantly without sacrificing operational speed. Whether you are building an integrated layout for high-end digital editing suites, commercial control rooms, collaborative office environments, or production studios, managing peripheral link layouts efficiently is essential. Attempting to manage multiple legacy devices using standard computer connections frequently creates severe hardware bottlenecks, loose cable groupings, and intermittent signal dropouts, making a dedicated industrial hub an absolute necessity.\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003eOur robust network selection features high-capacity hardware modules specifically engineered to deliver exceptionally stable connectivity under continuous, heavy day-to-day data transmission schedules without experiencing device timeouts. These premium systems come fully optimized with smart multi-port power distribution, native high-speed communication interfaces, and rugged external chassis housings built to handle extensive equipment needs. Implementing this advanced Port Extender architecture ensures your venue infrastructure benefits from highly scalable equipment management, pristine visual performance, and reliable multi-channel device synchronization across all your desktop peripherals.\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003eBrowse our comprehensive online platform inventory of premium processing hardware built to withstand the rigorous physical and technical demands of modern presentation systems. Find the ideal configuration of a reliable Port Extender setup for your multimedia layout today to secure critical peripheral streams, maximize local network efficiency, and construct a highly resilient hardware distribution network.\u003c\/p\u003e","products":[{"product_id":"st-nctl210-network-serial-port-expander","title":"ST-NCTL210 Network Serial Port Expander","description":"\u003cstyle\u003e\n  .amp-spec-wrap { width: 100%; font-family: Arial, sans-serif; font-size: 14px; color: #222; }\n  .amp-spec-wrap h2 { font-size: 16px; margin: 28px 0 8px; border-bottom: 2px solid #222; padding-bottom: 4px; text-align: center; }\n  .amp-spec-wrap h3 { font-size: 14px; margin: 18px 0 6px; }\n  .amp-spec-wrap table { width: 100%; border-collapse: collapse; margin-bottom: 16px; }\n  .amp-spec-wrap th { background: #333; color: #fff; text-align: left; padding: 7px 10px; font-size: 13px; }\n  .amp-spec-wrap td { padding: 6px 10px; border: 1px solid #ccc; vertical-align: top; }\n  .amp-spec-wrap tr:nth-child(even) td { background: #f5f5f5; }\n  .amp-spec-wrap .group td { background: #e0e0e0; font-weight: bold; font-size: 13px; }\n  .amp-spec-wrap td:first-child { font-weight: bold; width: 38%; }\n  .amp-spec-wrap img { width: 100%; height: auto; display: block; }\n\u003c\/style\u003e\n\n\u003cp\u003eST-NCTL210 Network Serial Port Expander is a professional RS-232, RS-422 and RS-485 serial device server designed for reliable serial-to-Ethernet communication in commercial AV and automation systems. The ST-NCTL210 Network Serial Port Expander features four serial ports, four relay outputs, TCP\/IP and UDP communication, built-in web server, API control, and 100M Ethernet connectivity for seamless integration with AMX, Crestron, RTI and third-party control systems. Designed for conference rooms, classrooms, industrial automation, control rooms, and commercial AV installations, the ST-NCTL210 Network Serial Port Expander delivers stable communication, flexible protocol conversion, and dependable network-based serial control. The ST-NCTL210 Network Serial Port Expander provides professional performance, simple configuration, and reliable operation for demanding control applications.\u003c\/p\u003e\n\n\u003cp\u003eST-NCTL210 Network Serial Port Expander is a professional RS-232, RS-422 and RS-485 serial communication solution designed for reliable serial-to-Ethernet integration in commercial AV, automation, and control systems. The ST-NCTL210 Network Serial Port Expander features four extended serial ports, four relay outputs, TCP\/IP and UDP communication, a built-in web server, API command control, and 10\/100M Ethernet connectivity for seamless integration with AMX, Crestron, RTI, and third-party control platforms. Designed for conference rooms, classrooms, industrial automation, command centers, smart buildings, and commercial AV installations, the ST-NCTL210 Network Serial Port Expander delivers stable communication, flexible protocol conversion, and dependable network-based device control. The ST-NCTL210 Network Serial Port Expander provides professional performance, simple configuration, and reliable operation for demanding automation and serial control applications.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e☆ 4 extended serial ports — COM1 \u0026amp; COM2 support RS-232 \/ RS-232+HW Flow \/ RS-422 \/ RS-485; COM3 \u0026amp; COM4 support RS-232 \/ RS-232+HW Flow\u003cbr\u003e☆ Universal baud rates: 2400, 4800, 9600, 14400, 19200, 38400, 56000, 57600, 115200\u003cbr\u003e☆ Full frame buffering — large TX\/RX buffer per port; data queue support; up to 512 bytes per frame\u003cbr\u003e☆ TCP \u0026amp; UDP transparent — COM1–4 TCP ports 8001–8004; UDP local ports 9001–9004; system port 8005 \/ 9005\u003cbr\u003e☆ 4 independent relay ports — normally-open contacts, isolated, rated up to 1A \/ 24V DC\/AC\u003cbr\u003e☆ Built-in web server — configure from any browser on PC, tablet or mobile; no software required\u003cbr\u003e☆ 100M Ethernet + RS-232 — compatible with AMX, Crestron, RTI and all third-party control systems\u003cbr\u003e☆ API command control — full ASCII command set over serial or TCP\/UDP for system integration\u003cbr\u003e☆ Device name support — rename\/remark the device name (max 8 characters)\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e① 1x Network Serial Port Expander\u003cbr\u003e② 2x 5pin-3.81mm Phoenix Connector (male)\u003cbr\u003e③ 2x 7pin-3.81mm Phoenix Connector (male)\u003cbr\u003e④ 1x 8pin-3.81mm Phoenix Connector (male)\u003cbr\u003e⑤ 2x 9pin-3.81mm Phoenix Connector (male)\u003cbr\u003e⑥ 4x Machine Screw\u003cbr\u003e⑦ 2x Mounting Ear\u003cbr\u003e⑧ 1x 24V\/1A Power Adaptor + 2pin-3.5mm Phoenix Connector\u003cbr\u003e⑨ 1x User Manual\u003c\/p\u003e\n\n\u003cdiv class=\"amp-spec-wrap\"\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr class=\"group\"\u003e\u003ctd colspan=\"2\"\u003eTechnical\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRS-232\u003c\/td\u003e\n\u003ctd\u003eFull duplex; configurable hardware flow control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRS-422\u003c\/td\u003e\n\u003ctd\u003eFull duplex communication mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRS-485\u003c\/td\u003e\n\u003ctd\u003eHalf duplex communication mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rate\u003c\/td\u003e\n\u003ctd\u003e2400 \/ 4800 \/ 9600 \/ 14400 \/ 19200 \/ 38400 \/ 56000 \/ 57600 \/ 115200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLAN\u003c\/td\u003e\n\u003ctd\u003e10\/100M Ethernet interface (RJ45)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Output\u003c\/td\u003e\n\u003ctd\u003e4x normally-open, isolated — up to 1A \/ 24V DC\/AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"group\"\u003e\u003ctd colspan=\"2\"\u003eConnection\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput\u003c\/td\u003e\n\u003ctd\u003e1x LAN [RJ45]\u003cbr\u003e1x MAIN COM [7pin-3.81mm phoenix connector]\u003cbr\u003e1x DC 24V [2pin phoenix connector]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003e1x NEXT COM [7pin-3.81mm phoenix connector, cascade output]\u003cbr\u003e1x COM 1 [9pin-3.81mm phoenix connector, RS-232\/422\/485]\u003cbr\u003e1x COM 2 [9pin-3.81mm phoenix connector, RS-232\/422\/485]\u003cbr\u003e1x COM 3 [5pin-3.81mm phoenix connector, RS-232]\u003cbr\u003e1x COM 4 [5pin-3.81mm phoenix connector, RS-232]\u003cbr\u003e1x RELAY OUTPUT [8pin-3.81mm phoenix connector]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"group\"\u003e\u003ctd colspan=\"2\"\u003eMechanical\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing\u003c\/td\u003e\n\u003ctd\u003eMetal Enclosure — Black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e147mm [W] × 130mm [D] × 42mm [H]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e673g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eInput: AC100–240V 50\/60Hz; Output: DC 24V \/ 1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption (Max)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;2W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C ~ 40°C \/ 32°F ~ 104°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C ~ 60°C \/ -4°F ~ 140°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e20%~90% (relative humidity, non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eOperation Controls and Functions\u003c\/h2\u003e\n\u003ch3\u003eFront Panel\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0802\/0410\/3901\/files\/Screenshot_2026-06-08_130040.png?v=1780912959\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"width: 8%;\"\u003eNo.\u003c\/th\u003e\n\u003cth style=\"width: 22%;\"\u003eName\u003c\/th\u003e\n\u003cth\u003eFunction Description\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eLAN LED (Green)\u003c\/td\u003e\n\u003ctd\u003eNetwork connection indicator — flashes when network communication is active.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003ePOWER LED (Green)\u003c\/td\u003e\n\u003ctd\u003eOn when the device is powered up.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eRELAY LEDs (Green × 4)\u003c\/td\u003e\n\u003ctd\u003eRelay status indicator for each of the 4 relay channels — stays on when the corresponding relay is set to closed.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eTX\/RX LEDs (MAIN, COM1–COM4)\u003c\/td\u003e\n\u003ctd\u003eData activity indicators for each serial port — red flashes on transmit (TX), yellow flashes on receive (RX).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eRear Panel\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"width: 8%;\"\u003eNo.\u003c\/th\u003e\n\u003cth style=\"width: 22%;\"\u003eName\u003c\/th\u003e\n\u003cth\u003eFunction Description\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eDC 24V Port\u003c\/td\u003e\n\u003ctd\u003eDC 24V \/ 1A power input via 2pin phoenix connector.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eRESET Button\u003c\/td\u003e\n\u003ctd\u003eHold for 5 seconds to restore factory default settings. IP address restores to 192.168.1.100.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003eLAN Port\u003c\/td\u003e\n\u003ctd\u003e10\/100M network port (RJ45). Use a direct (straight-through) UTP cable — do not use a crossover cable.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003eMAIN COM Port\u003c\/td\u003e\n\u003ctd\u003eMain serial port for connection to a central control system or PC. 7pin phoenix connector.\u003cbr\u003eRS-232: PIN5=GND, PIN6=TXD, PIN7=RXD\u003cbr\u003eRS-422: PIN1=RX−, PIN2=RX+, PIN3=TX−, PIN4=TX+, PIN5=GND\u003cbr\u003eRS-485: Short PIN1(RX−)+PIN3(TX−) → B; PIN2(RX+)+PIN4(TX+) → A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003eNEXT COM Port\u003c\/td\u003e\n\u003ctd\u003eMain serial port cascade output — same pin-out as MAIN COM. Used to daisy-chain additional units.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eRELAY OUTPUT Port\u003c\/td\u003e\n\u003ctd\u003e4x independent, isolated, normally-open relay contacts via 8pin phoenix connector. Maximum rating: 1A \/ 24V DC\/AC.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003eCOM1 \u0026amp; COM2 Ports\u003c\/td\u003e\n\u003ctd\u003eExtended serial ports 1 and 2. 9pin phoenix connector. Support RS-232+HW Flow \/ RS-422 \/ RS-485.\u003cbr\u003ePIN1=RX−, PIN2=RX+, PIN3=TX−, PIN4=TX+, PIN5=GND, PIN8=RTS, PIN9=CTS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003eCOM3 \u0026amp; COM4 Ports\u003c\/td\u003e\n\u003ctd\u003eExtended serial ports 3 and 4. 5pin phoenix connector. Support RS-232+HW Flow only.\u003cbr\u003ePIN5=GND, PIN6=TXD, PIN7=RXD, PIN8=RTS, PIN9=CTS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eDefault Network \u0026amp; Port Settings\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Address\u003c\/td\u003e\n\u003ctd\u003e192.168.1.100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubnet Mask\u003c\/td\u003e\n\u003ctd\u003e255.255.255.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGateway\u003c\/td\u003e\n\u003ctd\u003e192.168.1.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Mode\u003c\/td\u003e\n\u003ctd\u003eDHCP OFF (static)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTCP\/UDP Mode\u003c\/td\u003e\n\u003ctd\u003eTCP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM1–4 TCP Ports\u003c\/td\u003e\n\u003ctd\u003e8001 \/ 8002 \/ 8003 \/ 8004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem TCP Port\u003c\/td\u003e\n\u003ctd\u003e8005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM1–4 UDP Local Ports\u003c\/td\u003e\n\u003ctd\u003e9001 \/ 9002 \/ 9003 \/ 9004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem UDP Local Port\u003c\/td\u003e\n\u003ctd\u003e9005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM1–4 UDP Remote Ports\u003c\/td\u003e\n\u003ctd\u003e1001 \/ 1002 \/ 1003 \/ 1004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem UDP Remote Port\u003c\/td\u003e\n\u003ctd\u003e1005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain COM Baud Rate\u003c\/td\u003e\n\u003ctd\u003e115200 (8 data bits, 1 stop bit, no parity)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003e Application Example\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0802\/0410\/3901\/files\/Screenshot_2026-06-08_130137.png?v=1780913004\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Use straight-through (T568A or T568B) UTP cable for the LAN connection — do not use a crossover cable. Use of a surge protection device is strongly recommended.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"staison","offers":[{"title":"Default Title","offer_id":52241416749287,"sku":"ST-NCTL210","price":844.75,"currency_code":"SAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/8144\/3559\/files\/ST_NCTL210_server_front_and_rear.jpg?v=1782146597"}],"url":"https:\/\/gitcoav.com\/collections\/port-extender.oembed","provider":"Greenshore International Trading Company ","version":"1.0","type":"link"}