Shenyang Automation Equipment Co., Empire 3500/92 Communication Gateway status LEDs OK LED: indicates the 3500/92 operating normally. 1) TX / RX LED: indicates the 3500/92 and 3500 rack other module communication. 2) Communication gateway module 3) RS485 I / O module 4) RS232 / RS422 I / O module 5) Ethernet / RS232 I / O Module 6) Ethernet / RS485 I / O module flexibility selectable measurement parameters overspeed protection device module, in combination with the software configuration, capable of providing all the monitoring options. A variety of local or remote mounted display, a display case in the absence of operation 3500, the flexibility to suit almost any application. Bentley | Shenyang Empire | Bentley display device provided by the Shenyang Automation Equipment Co., Ltd. Empire. "Automation control equipment, machinery and equipment, electronic equipment development and design" preferred Empire Shenyang Automation Equipment Co., Ltd. (www.syepe.net), the company is located: Tiexi District of Shenyang Xinghua North Street 18 A 1404, over the years, Shenyang TU Pyle Automation Equipment Co., Ltd. to provide customers with the best quality service, contact: Lien Ning. Welcome to the new and old customers call, letter, visit the guide, business negotiations. Empire Shenyang Automation Equipment Co. expect to be your long-term partner!