{"product_id":"d-link-dom-311-tso","title":"D-Link DOM-311-TSO 4G LTE Industrial IoT RTU","description":"\u003cdiv id=\"ace-d-link-dom-311-tso-copy\"\u003e\n\u003cstyle\u003e\n#ace-d-link-dom-311-tso-copy { font-family: inherit; color: inherit; }\n\/* Reuses the current ACE calculator FAQ disclosure treatment. Scope: this product FAQ only. *\/\n#ace-d-link-dom-311-tso-copy .ace-article-faq { --ace-family-ink: #21352b; --ace-family-muted: #5b6961; --ace-family-line: #d3d9d5; --ace-family-soft: #f4f7f4; margin: 24px 0; padding: 0; background: transparent; font-family: inherit; }\n#ace-d-link-dom-311-tso-copy .ace-article-faq details.ace-form-disclosure { margin: 0 0 12px; padding: 0; border: 1px solid var(--ace-family-line); border-radius: 12px; background: #fff; overflow: visible; }\n#ace-d-link-dom-311-tso-copy .ace-article-faq details \u003e summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 56px; margin: 0; padding: 16px 20px; border-radius: 12px; background: var(--ace-family-soft); color: var(--ace-family-ink); font: inherit; font-size: 16px; font-weight: 600; line-height: 1.4; list-style: none; cursor: pointer; }\n#ace-d-link-dom-311-tso-copy .ace-article-faq summary::-webkit-details-marker { display: none; }\n#ace-d-link-dom-311-tso-copy .ace-article-faq summary::marker { content: ''; }\n#ace-d-link-dom-311-tso-copy .ace-article-faq summary::before, #ace-d-link-dom-311-tso-copy .ace-article-faq summary::after { content: none; }\n#ace-d-link-dom-311-tso-copy .ace-article-faq details[open] \u003e summary { border-radius: 12px 12px 0 0; border-bottom: 0; }\n#ace-d-link-dom-311-tso-copy .ace-article-faq h3.ace-form-title { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 100%; min-width: 0; margin: 0 !important; padding: 0; color: var(--ace-family-ink); font-family: inherit; font-size: 16px; font-weight: 600; line-height: 1.35; letter-spacing: normal; text-transform: none; }\n#ace-d-link-dom-311-tso-copy .ace-article-faq .ace-form-title-text { display: flex; flex: 1 1 auto; min-width: 0; margin: 0; overflow-wrap: anywhere; }\n#ace-d-link-dom-311-tso-copy .ace-article-faq .ace-form-toggle { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; margin: 0 0 0 auto; padding: 0; color: #55605a; font-size: 12px; line-height: 1.4; font-weight: 500; white-space: nowrap; }\n#ace-d-link-dom-311-tso-copy .ace-article-faq details \u003e summary .ace-form-collapse { display: none; }\n#ace-d-link-dom-311-tso-copy .ace-article-faq details[open] \u003e summary .ace-form-expand { display: none; }\n#ace-d-link-dom-311-tso-copy .ace-article-faq details[open] \u003e summary .ace-form-collapse { display: inline; }\n#ace-d-link-dom-311-tso-copy .ace-article-faq .ace-form-chevron { display: inline-block; width: 8px; height: 8px; margin: 0 2px 4px; border-bottom: 2px solid currentColor; border-right: 2px solid currentColor; transform: rotate(45deg); transition: transform .15s ease; }\n#ace-d-link-dom-311-tso-copy .ace-article-faq details[open] \u003e summary .ace-form-chevron { transform: rotate(225deg); margin-bottom: 0; }\n#ace-d-link-dom-311-tso-copy .ace-article-faq .ace-form-body { margin: 0; padding: 20px; min-width: 0; color: var(--ace-family-ink); font-size: 15px; line-height: 1.65; }\n#ace-d-link-dom-311-tso-copy .ace-article-faq .ace-form-body \u003e p { margin: 0; line-height: 1.65; }\n#ace-d-link-dom-311-tso-copy .ace-article-faq summary:focus-visible { outline: 3px solid #24731a; outline-offset: 3px; }\n@media (max-width: 640px) {\n  #ace-d-link-dom-311-tso-copy .ace-article-faq details \u003e summary { padding: 14px 16px; gap: 12px; }\n  #ace-d-link-dom-311-tso-copy .ace-article-faq h3.ace-form-title { gap: 12px; }\n  #ace-d-link-dom-311-tso-copy .ace-article-faq .ace-form-body { padding: 16px; }\n  #ace-d-link-dom-311-tso-copy .ace-article-faq .ace-form-toggle { font-size: 11px; gap: 8px; }\n}\n@media (prefers-reduced-motion: reduce) { #ace-d-link-dom-311-tso-copy .ace-article-faq .ace-form-chevron { transition: none; } }\n\n\n#ace-d-link-dom-311-tso-copy .ace-article-faq { width:100%; max-width:100%; box-sizing:border-box; }\n#ace-d-link-dom-311-tso-copy .ace-article-faq .ace-form-body { border:0; box-shadow:none; }\n\u003c\/style\u003e\n\u003ch2\u003eBring Remote Sensors Into a Connected Operation\u003c\/h2\u003e\n\u003cp\u003eThe DOM-311-TSO connects industrial sensors and control equipment through 4G LTE, combining a compact metal enclosure with practical remote administration. A single Nano-SIM connection, serial interface and digital I\/O make it a focused terminal for field telemetry.\u003c\/p\u003e\n\u003cp\u003eModbus and serial communications help link field devices to a monitoring platform without replacing the existing control equipment. LTE Cat 4 supports theoretical downloads up to 150 Mbps and uploads up to 50 Mbps. Actual service depends on mobile coverage, the operator, the SIM plan and installation.\u003c\/p\u003e\n\u003ch2\u003eHighlights\u003c\/h2\u003e\n\u003ch3\u003eCellular Connectivity\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4G LTE Cat 4 up to 150 Mbps download and 50 Mbps upload.\u003c\/li\u003e\n\u003cli\u003eOne Nano-SIM slot.\u003c\/li\u003e\n\u003cli\u003eMobile service and an appropriate data plan are required separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEquipment Connections\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Fast Ethernet ports.\u003c\/li\u003e\n\u003cli\u003e1 × RS-232\/RS-485 interface, 3 digital inputs and 2 digital outputs.\u003c\/li\u003e\n\u003cli\u003eModbus TCP\/RTU\/ASCII and Virtual COM support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIndustrial Installation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e−30°C to 70°C operating range.\u003c\/li\u003e\n\u003cli\u003e9–36 V DC terminal-block input.\u003c\/li\u003e\n\u003cli\u003ePower adapter and DIN-rail kit included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003ch3\u003eConnect Field Signals to a Mobile Network\u003c\/h3\u003e\n\u003cp\u003eA Fast Ethernet port, one selectable RS-232\/RS-485 serial interface and digital I\/O connect different field devices to one compact terminal. This suits remote monitoring installations where a standard office router cannot directly read the required industrial interfaces. Confirm signal voltage and wiring before commissioning.\u003c\/p\u003e\n\u003ch3\u003eTranslate Industrial Communications\u003c\/h3\u003e\n\u003cp\u003eModbus TCP, RTU and ASCII master\/slave access supports integration with compatible controllers and telemetry equipment. Virtual COM offers TCP client, TCP server and UDP modes, while a RESTful API supports data interchange. Integration still requires matching register maps, protocols and application settings.\u003c\/p\u003e\n\u003ch3\u003eUse Digital Inputs and Outputs Deliberately\u003c\/h3\u003e\n\u003cp\u003eThree digital inputs accept the documented logic levels, and two open-collector digital outputs provide control signalling. These are not general mains-switching outputs. Use suitable interfacing and protection for the connected load, and have the control wiring reviewed against the installation requirements.\u003c\/p\u003e\n\u003ch3\u003eProvide an OpenVPN Client Path\u003c\/h3\u003e\n\u003cp\u003eThe RTU supports an OpenVPN tunnel in client mode for a planned connection to a suitable remote VPN endpoint. This helps access field equipment without exposing every device directly to the public internet. The server, authentication material, routing and operator network requirements must be configured separately.\u003c\/p\u003e\n\u003ch3\u003eFit a Working Control Cabinet\u003c\/h3\u003e\n\u003cp\u003eThe metal enclosure, included DIN-rail kit and 9–36 V DC terminal input support cabinet installations. A −30°C to 70°C operating range is useful where normal desktop equipment would be unsuitable. Provide appropriate enclosure protection and ventilation; industrial temperature support does not establish an outdoor waterproof rating.\u003c\/p\u003e\n\u003ch3\u003eMonitor and Maintain the Remote Terminal\u003c\/h3\u003e\n\u003cp\u003eWeb UI, CLI and command-script configuration support local administration, with SMS event management and network-status reporting for diagnostics. The included three-month D-ECS period supports central device management under its activation terms; continued service requires a paid licence. Apply supported firmware, controlled administrator access and a tested recovery plan for the installation.\u003c\/p\u003e\n\u003ch2\u003eSummary\u003c\/h2\u003e\n\u003cp\u003eThe DOM-311-TSO is a practical field telemetry terminal for connecting equipment where a conventional office network is unavailable or needs a mobile alternative. Match the SIM service, radio bands, field interfaces and remote-management design to the installation for a system that is easier to deploy and maintain.\u003c\/p\u003e\n\u003csection class=\"ace-article-faq\" aria-label=\"Frequently asked questions\"\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails class=\"ace-form-disclosure\" open\u003e\u003csummary\u003e\u003ch3 class=\"ace-form-title\"\u003e\n\u003cspan class=\"ace-form-title-text\"\u003eDoes It Include Mobile Data?\u003c\/span\u003e\u003cspan class=\"ace-form-toggle\" aria-hidden=\"true\"\u003e\u003cspan class=\"ace-form-expand\"\u003eExpand\u003c\/span\u003e\u003cspan class=\"ace-form-collapse\"\u003eCollapse\u003c\/span\u003e\u003cspan class=\"ace-form-chevron\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"ace-form-body\"\u003e\u003cp\u003eNo. A compatible active SIM and data plan are required separately. Check coverage, permitted bands, APN settings and any private-network requirements with the mobile operator.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"ace-form-disclosure\"\u003e\u003csummary\u003e\u003ch3 class=\"ace-form-title\"\u003e\n\u003cspan class=\"ace-form-title-text\"\u003eCan It Use Two Mobile Operators?\u003c\/span\u003e\u003cspan class=\"ace-form-toggle\" aria-hidden=\"true\"\u003e\u003cspan class=\"ace-form-expand\"\u003eExpand\u003c\/span\u003e\u003cspan class=\"ace-form-collapse\"\u003eCollapse\u003c\/span\u003e\u003cspan class=\"ace-form-chevron\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"ace-form-body\"\u003e\u003cp\u003eThis model has one Nano-SIM slot, so it does not provide dual-SIM failover.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"ace-form-disclosure\"\u003e\u003csummary\u003e\u003ch3 class=\"ace-form-title\"\u003e\n\u003cspan class=\"ace-form-title-text\"\u003eDoes It Replace the VPN Server?\u003c\/span\u003e\u003cspan class=\"ace-form-toggle\" aria-hidden=\"true\"\u003e\u003cspan class=\"ace-form-expand\"\u003eExpand\u003c\/span\u003e\u003cspan class=\"ace-form-collapse\"\u003eCollapse\u003c\/span\u003e\u003cspan class=\"ace-form-chevron\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"ace-form-body\"\u003e\u003cp\u003eThis RTU provides an OpenVPN client. It needs a suitable server and a configured authentication and routing arrangement.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"ace-form-disclosure\"\u003e\u003csummary\u003e\u003ch3 class=\"ace-form-title\"\u003e\n\u003cspan class=\"ace-form-title-text\"\u003eIs It Waterproof for Outdoor Installation?\u003c\/span\u003e\u003cspan class=\"ace-form-toggle\" aria-hidden=\"true\"\u003e\u003cspan class=\"ace-form-expand\"\u003eExpand\u003c\/span\u003e\u003cspan class=\"ace-form-collapse\"\u003eCollapse\u003c\/span\u003e\u003cspan class=\"ace-form-chevron\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"ace-form-body\"\u003e\u003cp\u003eNo waterproof rating is claimed. The industrial operating-temperature range does not mean the connectors and enclosure can be exposed to rain. Use a suitable protected installation and follow the mounting instructions.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"ace-form-disclosure\"\u003e\u003csummary\u003e\u003ch3 class=\"ace-form-title\"\u003e\n\u003cspan class=\"ace-form-title-text\"\u003eIs D-ECS Management Included Permanently?\u003c\/span\u003e\u003cspan class=\"ace-form-toggle\" aria-hidden=\"true\"\u003e\u003cspan class=\"ace-form-expand\"\u003eExpand\u003c\/span\u003e\u003cspan class=\"ace-form-collapse\"\u003eCollapse\u003c\/span\u003e\u003cspan class=\"ace-form-chevron\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"ace-form-body\"\u003e\u003cp\u003eThe offer includes three months of D-ECS management under the applicable activation terms. Continued service requires the appropriate paid licence after that period. Local administration remains available.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"ace-form-disclosure\"\u003e\u003csummary\u003e\u003ch3 class=\"ace-form-title\"\u003e\n\u003cspan class=\"ace-form-title-text\"\u003eWhat Is Included for Installation?\u003c\/span\u003e\u003cspan class=\"ace-form-toggle\" aria-hidden=\"true\"\u003e\u003cspan class=\"ace-form-expand\"\u003eExpand\u003c\/span\u003e\u003cspan class=\"ace-form-collapse\"\u003eCollapse\u003c\/span\u003e\u003cspan class=\"ace-form-chevron\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"ace-form-body\"\u003e\u003cp\u003eThe standard package includes the device, cellular antennas, an Ethernet cable, power adapter and DIN-rail kit. Serial and digital-I\/O terminal blocks are included; field equipment, signal wiring and an active SIM are separate.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"D-Link","offers":[{"title":"Default Title","offer_id":44849371054139,"sku":"DOM-311-TSO","price":281.21,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/4541\/3179\/files\/d-link-dom-311-tso-4g-lte-industrial-iot-rtu-7305695.png?v=1793693892","url":"https:\/\/aceperipherals.com\/products\/d-link-dom-311-tso","provider":"ACE Peripherals","version":"1.0","type":"link"}