The MAX5487 has an end-to-end resistance of 10kΩ. For example If you want to set a resistance of 3kΩ then you will do it by connecting the wiper to H side. If you connect the wiper to the L side the set resistance will become 7kΩ.
MAX5487
Production
The MAX5487/MAX5488/MAX5489 dual, linear-taper, digital potentiometers function as mechanical potentiometers with a simple 3-wire SPI™-compatible digital...
Datasheet
MAX5487 on Analog.com