Passive RS232 to RS485 Converter(with lighting) DTECH รุ่น DT-9004 ราคา 320.00 .-
Passive RS232 to RS485 Converter(with lighting) DTECH รุ่น DT-9004
ราคา 320 บาท
รุ่น : DT-9004 (รหัสสินค้า : P03680)
• Interface characteristics: interface compatible with EIA/TIA RS-232C, RS485 standard
• Electrical interface: RS-232 end of the DB9F, RS-485 is DB9M connector
• Work mode: asynchronous half duplex
• The transmission medium: twisted pair (diameter greater than or equal to 0.5MM) or shieldedwire
• The transmission rate: 300-115.2KBPS
• Size: 64mmX33mmX17mme
• The use of the environment: -20 C to 70 C, relative humidity of 5% to 95%
• The transmission distance: 1200 meters (RS-485) to 15 meters (RS-232)
• Protection class: surge protection of RS-485 interface on each line of the 600W.
• Two kinds of communication: two line / half duplex point-to-point and point to multipoint / twowirehalfduplex
• Note: in order to prevent reflection and interference signal, to pick up a matching resistor inthecircuitofthe terminal (parameter 120 ohm 1/4W), as the case may be
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