Shenzhen Besitem Technology Co., Ltd.
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Non-Powered RS232 / RS485 Interface Converter
232 to 485 Converter
Features
* Non-Powered RS 232 / RS 485 Interface Converter
* Electronic interface: At the side of RS-232 is a DB9 female (hole-type) connector. At the side of RS-485 is a DB9 male (needle-type) connector, with connection board.
* Uses with this item Adding an RS-485 interface to a PC via RS-232 is now a snap.
* This interface converter does this without requiring any AC or DC power.
* It uses a particular pump to gain power from RS-232 signal (RTS, DTR, TXD) without initializing the RS-232 series interface.
Specification
* Data Transfer Rate: 300-115200bps
* Operating Distance: 1200m for RS485, 5m for RS232
* Power: None required, uses TD as power source
* Environment: -10C to 85C, 5% to 95% RH
* Interface: Compatible with EIA/TIA RS-232C standard and RS-485 standard.
* Working mode: Asynchronous, half-duplex, differential transmission.
* T-ransmission media: Twisted-pair or shielded twisted pair (STP).