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Two-Wire Switch and Adapter

The Kisi Two-Wire Switch and Adapter (also referred to as PSE/PD (Power Sourcing Equipment/Powered Device)) allow you to migrate to the Kisi platform at a minimal cost, and modernize your access control system while keeping your existing wiring.

  • Rip-and-replace: Save time and money by keeping your existing wiring
  • Enjoy all the benefits of an industry-leading access control solution with minimal installation costs
  • Scale easily and securely by adding new doors and users with just a few clicks

Supported reader types​

  • Kisi Reader Pro 2.1

Two-Wire Switch (Power Sourcing Equipment / PSE)​

The Two-Wire Switch (Power Sourcing Equipment / PSE) is the power-providing component of the system. It supplies electrical power over a two-wire connection to the connected device.

Dimensions, material​

  • Length: 5.55 in (14 cm)
  • Width: 3.79 in (9.6 cm)
  • Height: 1.25 in (3.1 cm)
  • Weight: 6.35 oz (180 g)
  • Material: Injection molded ABS plastic

Ethernet interface​

  • Connector type: RJ45 (female)/2-wire terminal block

Installation requirements​

  • Cable type: 2-wire, CAT 5e, CAT 6 or similar
  • Transfer range (PLC): 300 m with Wiegand cables (unshielded and untwisted)
  • Number: 12 adapters (PDs) max per switch

Power status​

  • ETH: Green (top) Ethernet data traffic
  • PSE-PD link: Green (middle) PSE-PD connection status
  • PWR: Green (bottom) Power is on

Required power input​

  • DC input: 48 volts direct current / 3.3 amperes

Environmental specifications​

  • Operating temperature: 32 to 122°F (0 to 50°C)
  • Storage temperature: -22 to 158°F (-30 to 70°C)

Two-Wire Adapter (Powered Device / PD)​

The Two-Wire Adapter (Powered Device / PD) receives power from the Two-Wire Switch (PSE) and utilizes it to power the Kisi Reader.

Dimensions, material​

  • Length: 2.95 in (7.5 cm)
  • Width: 0.98 in (2.5 cm)
  • Height: 0.39 in (1 cm)
  • Weight: 0.88 oz (25 g)
  • Material: Polyfine heatshrink tubing

Ethernet interface​

  • Connector type: RJ45 (male)/2-wire terminal block

Installation requirements​

  • Cable type: 2-wire, CAT 5e, CAT 6 or similar
  • Transfer range: 300 m with Wiegand cables (unshielded and untwisted)

Electrical power supply​

  • Power provided by the Two-Wire Switch (PSE)

Environmental specifications​

  • Operating temperature: 32 to 122°F (0 to 50°C)
  • Storage temperature: -22 to 158°F (-30 to 70°C)
Last updated on by KatalinH16