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深圳市雷盾電器有限公司
深圳市雷盾電器有限公司
RS232-RS422/485光電隔離轉換器SK485-III一、產品介紹：SK485-III是一款加強型高性能和多功能的RS-232到RS-485/RS-422接口轉換器，提供RS-232信號到RS-485信號或RS-232信號到RS-422信號間的相互轉換
RS232-RS422/485光電隔離轉換器SK485-III
一、產品介紹：
SK485-III是一款加強型高性能和多功能的RS-232到RS-485/RS-422接口轉換器，提供RS-232信號到RS-485信號或RS-232信號到RS-422信號間的相互轉換。該產品傳輸速率高達115.200Kbps，采用外接電源供電，光電隔離2500伏電壓,并且內設2000W浪涌防雷，雙重保護安全更可靠。非常適合戶外及惡劣的環境中應用。在RS-485和RS-422網絡間進行選擇非常方便,只需輕輕拔動RS-485或RS-422開關即可，并且該產品有DTE、DCE選擇開關，方便不同的用戶環境對不網絡進行選擇。
二、性能指標
★ 接兼容EIA/TIA、RS-232C和RS-485、RS-422標準
★ 完成RS232到RS485/RS422雙向信號轉換器
★ 支持點對點和點對多點通訊最多可高達32或128節點
★ 隔離電壓：2500伏、內設2000W浪涌保護
★ 網絡速率：1.2Kbps – 115.2Kbps
★ 傳輸距離：0 – 1.2公里（115200 - 1200bps）
★ 工作方式：異步全雙工或異步半雙工
★ 流量控制：自動幀測RTS或CTS信號
★ 開關設置：DTE、DCT可選，RS-485、RS-422可選
★ 電源供電：AC，5 –15V，300mA
★ 外型尺寸：75mm × 54mm × 21mm
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RS-232 to RS-422/485 Isolation Interface Converter
SK485-III RS232-RS485/422
General introduction:
Thank you for your purchase of this Sakertele Electronics product, sk485-III Isolation Interface Converter is compatible with RS-232C, RS-422, RS-485 standards and capable of converting single signal end RS-232 signa into RS-422 or RS-485of balanced signal.
Product features:
1. Interface feature: interface is compatible with EIA/TIA RS-232C, RS-422/485 standard
2. Electric interface: RS-232C interface DB25 hole connector RS-422/485 interface 4-bit terminal
3.Transmission media: twisted-pair cable or shielded cable
4.Working mode: asynchronous half(rs-485) or full duplex(rs-422)
5. Signal indication: three signal indication lights indicate TD, RD and PWR
6.Power supply: serial port electricity stealing at RS-232 end. External power supply connecting at RS-422/485 end
7. Isolation: isolation voltage 2500VRMS 500VDC sequence special built-in lightning protection IC
8.Transmission speed: 115200 BPS to 1.5KM 38400BPS to 2.4KM.
9.Size: 75mm × 54mm × 21mm
10.Working environment: 5% to 95% relative humidity
3.0 Application fields:
Point to point, point to multi-point communication
Industrial distribution system, industrial control automation
Road traffic control automation
Closed circuit monitoring
Security protection system
Intelligent card, check on work attendance gate safety system
This product has been thoroughly inspected and tested and is warranted for One Year parts and labor. If any questions or problems arise during installation or use of this product, please do not hesitate to contact Shenzhen sakertele electronics technology co.,ltd Technical Supporte.,
Shenzhen Leidun Electric Appliance Co., Ltd
phone： fax：
：+86
ADRESS: 6017# shennan road futian shenzhen ,china
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