{"product_id":"3-rs232-edwards-ancillary-rs-232-communication-card-dual-port-optically-isolated","title":"3-RS232 | Edwards Ancillary RS-232 Communication Card (Dual Port, Optically Isolated)","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe Edwards 3-RS232 ancillary communications card is a serial interface module that allows connection of control panels to external devices. It supports two optically-isolated RS-232 circuits and is designed for integration with printers, modems, and command equipment.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEdwards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eComputer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3-RS232\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommunication Card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent (Standby)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e58 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent (Alarm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e58 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCircuit Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCircuit Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS-232 serial, two optically-isolated circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300 to 38,400 baud (selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Circuit Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 ft (15.2 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Wire Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18 AWG (0.75 mm²)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 to 120°F (0 to 49°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 93% noncondensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePrinters, modems, external control equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.30 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003e3-RS232\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe 3-RS232 is an ancillary communication card engineered for Edwards fire alarm and control systems, enabling RS-232 serial communication. This card provides two independent, optically-isolated ports, allowing reliable interfacing with external devices without risk of feedback interference. It is suitable for Class B configurations and supports a wide range of baud rates for flexible system applications. Designed for dependable panel connectivity, the 3-RS232 operates under normal fire system environmental conditions and integrates seamlessly into Edwards architectures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual RS-232 Ports: Two optically-isolated serial circuits for external device integration.\u003c\/li\u003e\n\u003cli\u003eBaud Rate Flexibility: Supports multiple data rates up to 38,400 baud for diverse applications.\u003c\/li\u003e\n\u003cli\u003eClass B Configuration: Built to operate within Edwards Class B circuit standards.\u003c\/li\u003e\n\u003cli\u003eEnvironmental Tolerance: Functions in 32–120°F with up to 93% relative humidity.\u003c\/li\u003e\n\u003cli\u003eCompact Design: Lightweight board allows easy installation inside control panels.\u003c\/li\u003e\n\u003cli\u003eExtended Compatibility: Connects to printers, modems, and control equipment.\u003c\/li\u003e\n\u003cli\u003eStandard Wiring: Requires 18 AWG (0.75 mm²) minimum cabling for reliable operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 3-RS232 delivers the reliability and precision required for serial communications in Edwards control systems.\u003c\/p\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":49105178788096,"sku":"3-RS232","price":468.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/1a3c5ed07b2341129d81509754011267.jpg?v=1785541972","url":"https:\/\/alotechparts.com\/products\/3-rs232-edwards-ancillary-rs-232-communication-card-dual-port-optically-isolated","provider":"Alo Tech Solutions","version":"1.0","type":"link"}