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B & B Electronics RS 232 to RS 485 Converter 485LPCOR, US $39.95 – Picture 0
B & B Electronics RS 232 to RS 485 Converter 485LPCOR, US $39.95 – Picture 0

B & B Electronics Rs 232 To Rs 485 Converter 485lpcor

US $39.95

  • New Haven, Michigan, United States
  • Jan 29th
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Model 485LPCOR  Port-Powered RS-485 Converter    The 485LPCOR is a port-powered two-channel RS-232 to RS-485 converter. It converts the TD and RD RS-232 lines to  balanced half-duplex RS-485 signals. The unit is powered from the RS-232 data and handshake lines whether the lines  are high or low. An external power supply can be connected to two pins on the RS-485 connector if no handshake lines  are available. The 485LPCOR has a DB-25 female connector on the RS-232 side and a DB-25 male connector on the  RS-485 side.    RS-232 Side:  Connector: DB-25 Female  Signals: Passes through pins 2 (TD) and 3 (RD).   Pins 4 (RTS) and 5 (CTS) are tied together.   Pins 20 (DTR), 6 (DSR), and 8 (CD)   are tied together.  RS-485 Side:  Connector: DB-25 Male  Signals: Half-duplex two-wire operation only.   Automatic control circuit enables driver only   when transmitting.  Receiver is disabled when transmitting to prevent echo back   to RS-232 device.  Can transmit up to 4000 feet at 115.2k baud.    Power Requirements  No external power required if two RS-232 output handshake lines are available.  External 12VDC can be applied to pins on the RS-485 side between pins 25 (+) and 12 (GND) if handshake lines are   not available.  35mA current draw maximum under normal operation when externally powered.  NOTE: When using an external supply, the supply should be connected only to specifically labeled power  inputs (power jack, terminal block, etc.). Connecting an external power supply to the handshake lines may  damage the unit. Contact technical support for more information on connecting an external power supply to  the handshake lines.    Dimensions: 2.20 x 2.16 x 0.64 in ( 5.59 x 5.49 x 1.63 cm) 
Condition New other (see details) :
A new, unused item with absolutely no signs of wear. The item may be missing the original packaging, or in the original packaging but not sealed. The item may be a factory second or a new, unused item with defects. See the seller’s listing for full details and description of any imperfections.
Seller Notes “Scratches on faceplate from bulk storage.”

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