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name： single mode optical fiber modem
product features:
● adopt single mode optical fiber and the working distance up to 20km
● support point to point or ring (point to multi-point) networking
● support manifold asynchronous communication protocols including rs-232, rs-422 and rs-485
● can use any two of rs-232,rs-422 or rs-485 interface together
● support 2 wire ( half duplex) and 4 wire ( full duplex) rs-485working mode
● communication speed up to 115.2kbps(rs-232/422/485)
● adopt sc/st optical fiber interface only
atc-277sm single mode optical fiber modem user\'s manual-pdf
型号：atc-277sm 名称：单模光纤modem
产品特点： ☉ 使用单模光纤工作距离达20km ☉ 支持点对点或环路(点对多点)连接 ☉ 支持rs-232,rs-422,rs-485多种异 步通信协议 ☉ 可同时混合使用两个rs-232,rs-422 或rs-485接口 ☉ 支持2线(半双工)和4线(全双工) rs-485工作方式 ☉ 通信速率可达460kbps ☉ 使用st/fc光纤接口、（fc接口仅单模适用） atc-277sm 单模光纤modem说明书-pdf
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深圳市安泰高通信技术有限公司
杜睿涵
755-83452531
深圳市福田区泰然工贸园泰康轩809