UL 1069
"Hospital Signaling and Nurse Call Equipment"

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System Configuration
2.6.1 - "The fundamental operation of a nurse call system (NCS) shall include essential/required operation whose primary function is to provide notification and/or reset/cancellation of a staff-initiated or patient/initiated call signal to alert the staff."

1) Call annunciation at a nurse’s station (audible and visual)

2) Call annunciation at the dome light (visual)

3) Call placed indicator on the patient station (visual)

4) Zone annunciation (audible and visual)

5) Call reset/cancellation

Normal Operation (Chapter 17)
► 100% of the calls must be displayed at the nurse’s station or central annunciator. If not, the system shall display high priority calls in lieu of or in addition to routine calls.

► Remote pendant controls (like call cords) extending from wall units (bedside stations) must indicate (visual and audible) unintentional removal at the nurse’s station.

► There shall be no loss of routine, emergency, or code calls while a signaling unit is energized by a standby power source and is operated under normal and signaling conditions.

► Code calls must have a distinctive audible and visual signal at the master station. Silencing of the audible signal must not result in the de-energization of the associated light (flashing or steady).

Call Station Annunciation (Chapter 17)
► Nurse call station activation shall result in an audible and visual signal at the primary nurse call annunciator.

► The visual annunciation (LED) shall identify the source of the call.

► The visual annunciation shall be maintained continuously until the nurse call station is reset manually.

► The audible annunciation shall be at least 3 seconds duration for a continuous annunciation and repeated every 10 seconds for a pulsing type annunciation.

► Every call point covered by portable nurse control stations must also be covered by a primary nurse control station.
Call Cancellation
2.6.2 All calls can only be cancelled at the originating patient station or room of origin.

2.6.3 "Where the nurse call system allows remote call cancellation only when the audio communication connection is established end-to-end and verified prior to hanging up, establishing the audio communication is considered to be a supplemental operation."

Electrical Supervision
18.1.2 A trouble signal shall be distinguishable from all nurse call signals and shall be indicated by operation of a sounding appliance. If the audible signal is silenced there must be a visual indicator. The audible trouble signal shall sound if the switch is in its silenced position and no trouble exists.

18.1.4 The fuses in a code call circuit and a centralized system control unit shall be electrically supervised to indicate rupture of a fuse. If the rupture prevents intended operation of the unit an audible trouble signal must sound.

More Electrical Supervision
49.1 The maximum time from the occurrence of a fault or adverse condition in any communication path or equivalent during annunciation or idle time, or the restoration of the fault or adverse condition to normal shall be 90 seconds.

49.1.2 The time from initiating a call until it is displayed at a primary nurse control station shall not exceed 15 seconds. The time from the initiation of a trouble signal until it is displayed at the primary nurse control station shall not exceed 90 seconds.

Chapter 8 – Field Wiring
Low-voltage power-limited circuits:

Terminal Configurations
► Telephone Type, Solderless Wrapped, Quick-Connect, Push-In, and Solder Terminals

Terminal Configurations above must comply with:
► If a special tool is required it must be provided
► The minimum field wiring size must be 22 AWG
► The wire size to be employed shall be suitable for the current-carrying capacity of the circuit application
► The terminal configuration shall not be used for leads intended to be removed for testing