產品詳情：

產品介紹：The RS-485 pull-high/pull-low and termination resistors module
產品規格：Interface RS-485
Pull-high/pull-low Resistance 1k ohm
Termination Resistance 15 steps, 65 ~ 560 ohm
LED Display 1 red LED as power indicator, 1 green LED as termination indicator
Power
Input Range 10 ~ 30 VDC
Power Consumption 0.5 W
Environment
Operating Temperature -25 °C ~ +75 °C
Storage Temperature -40 °C ~ +80 °C
Humidity 5 ~ 95% RH, Non-condensing
產品特點：Switch selectable pull-high/pull-low resistors
15-step switch selectable termination resistor
LED Indicator for Power/ Termination
DIN-Rail mountable