SIGNO-20reader

HID Signo 20

HID

Multi-tech reader. Wiegand or OSDP (RS-485). Watch the 600 mA controller-port budget.

Also known as: SIGNO, SIGNO-20, 20NKS, SIGNO 20

WireADoor · Pinout reference

Terminals

Schematic

Reader terminals depend on readerProtocol — OSDP (+V, GND, A, B) and Wiegand (+V, GND, D0, D1, LED, BUZ) differ. Schematic — exact terminal block pending datasheet.

Terminals shown for the default configuration (OSDP). The terminal set differs between OSDP and Wiegand.

Terminal pinout for HID Signo 20 (SIGNO-20)
Terminal	Label	Kind
V	+V	power-in
G	GND	power-in
A	A	data
B	B	data

Manuals & cut sheets

Signo Reader Install Guideinstall

Cached offline after the first open.

Used in

single-door

Before you wire this

Code and jurisdiction vary. Locking and egress requirements differ by edition and authority — NFPA 101, IBC, and your local amendments do not always agree. This reference confirms only that your wiring matches a known-good electrical topology. It does NOT confirm that the locking arrangement is permitted at this opening. Whether a lock may be installed here — and how it must release on fire alarm, loss of power, and egress — is determined by the Authority Having Jurisdiction and the stamped, approved fire and life-safety design for the building.

If you are unsure how this door must behave in an alarm or power-loss condition, stop and confirm with your foreman or the AHJ before energizing.