Constant trouble tone on the master station. All other functions work normally, but trouble tone is always sounding.

Cause

Break in the wire to NHR-SP or no jumper in CN-104.

Solution

Check wire connection to NHR-SP. If no duty station is used, then make sure that there is a jumper in CN-104 on NHX-80X.

(No jumper on CN104 if Duty Station is included. INSTALL jumper if there is no Duty Station connected.)

The post Constant Trouble Tone on NHX Master Station appeared first on Aiphone.

Specifications

Power Source

Provided by NHX-80

Communication

Hands-free

Communication Output

100mW @ 20 ohms

Calling Capacity

Up to 80 stations

Wiring

3 twisted pair shielded low capacitance cable (12 pF/Ft) from NHX-80X Aiphone #862208
With NHR-3A-4 Zone Indicator Light: 3 twisted pair + 1 common wire per zone Aiphone #862208

Wiring Distance

165’ to farthest patient station
330’ Max. trunk line distance (per trunk), including length of trunk line, plus wire length t-tapped to each patient station from trunk line.

Mounting

Flush mount

Electrical Box

2-gang box or ring

Certification

UL 1069 Listed
C-UL Canadian Standard C22.2

Dimensions

4-1/2” x 4-9/16” x 1-13/16”

The post NH-1SA-A Technical Specifications appeared first on Aiphone.

Some applications for Nurse Call systems require multiple Duty Stations. The call tone sounds and the LED lights on the Duty Stations indicate a call on the system. The drawing below indicates the wiring for up to five Duty Stations on one system.

Wiring Diagram

Notes

1. Duty Station #1 is wired directly to NHX-80X.
2. Duty Station #2 through #5 can be homerun or daisy-chained from the CCU. The brown wire connects directly to the A+ terminal, with all other wires paralleled.
3. The total amount of wire used to connect the NHR-SP’s must not exceed 400′. If so, the tone volume level will be affected.
4. The TONE OFF button works independently at each Duty Station.
5. If the tone volume at the Duty Stations is too low, increase the main volume control on the back of the master station. If more volume is required, an external amplifier may be required. (Contact Technical Support for more information.)

The post Connecting Multiple Duty Stations to an NHX Series System appeared first on Aiphone.

Specifications

Power Source

24V DC supplied by two PS-2420UL power supplies

Current Consumption

Maximum 4A

Station Capacity

50 Stations. For an additional 30 stations add NHR-30K.

Wire Type

All wire is twisted, shielded, low capacitance (12 pF/Ft).
5 twisted pair to NHX-50M Master Station – Aiphone wire #862210
3 twisted pairs to NHR-SP Duty Station – Aiphone wire #862208
3 twisted pairs (plus 1 wire for zone light) trunk line to patient stations – Aiphone wire #862208
5 conductors to NHR-3A-4 Zone Light – Aiphone wire #841806

Wiring Distance

22AWG
65’ to NHX-50M
65’ to NHR-SP
165’ to the farthest patient station (ea. trunk)
330’ Max. wire distance per trunk line, including wire length t-tapped to each patient station from the trunk line.
18AWG
165’ to NHR-3A-4

Mounting

Surface wall mount or 3-gang box

Dimensions

18-1/8” H x 13-3/8” W x 3-7/8” D

Weight

Approx. 0.46 lbs (210g)

The post NHX-80X Technical Specifications appeared first on Aiphone.

Specifications

Mounting

Mounts to back of NHX-80X

Station Capacity

Allows for an additional 30 stations to be integrated with the NHX-50M with the use of NHX-30G

Weight

Approx. 0.37 lbs (170g)

The post NHR-30K Technical Specifications appeared first on Aiphone.

Specifications

Power Source

Supplied by Central Control Unit (NHX-80M)

Power Consumption

80mA Standby, 500mA Maximum

Communication

Handset or Push-to-talk

Capacity

50 Stations

Call Priority

1. Cord-out trouble call
2. Urgent bathroom call and NHR-3TS common area bathroom/staff call
3. Routine call (sub station call-ins on standby connected according to urgency level and time of call)

Warning Tones

1. Line-off trouble alert when the station is unplugged (buzzer activated at NHX-50M) – to silence, plug in CN1047 shorting connector inside NHX-80X and call for service
2. 90 sec. elapse timer – call tone goes up to HIGH level
3. 90 sec. off-hook timer – steady tone will notify handset is off-hook

Wiring

Master Station to Central Control Unit: 5 twisted pair, low cap, PE, overall shield — use Aiphone #862210

Wiring Distance

Master Station to Central Control Unit: 65′(22 AWG)

Mounting

Desk-top use

Operating Temperature

32° ~ 104°F (0° ~ 40°C)

Dimensions

3-1/4” H x 11” W x 8-1/4” D

The post NHX-50M Technical Specifications appeared first on Aiphone.

Specifications

Features

• Plugs into NHX-50M with supplied connectors
• Expands NHX-50M to an 80-call master station

Mounting

Desktop use

Operating Temperature

32° ~ 104°F (0° ~ 40°C)

Dimensions

2-5/16” H x 3-9/16” W x 8-1/4” D

The post NHX-30G Technical Specifications appeared first on Aiphone.

Specifications

Power Source

Supplied by Central Control Unit (NHX-80M)

Communication

Open Voice Hands-free communication

Wiring

Sub Station or Duty Station to Central Control Unit: 4 twisted pair, low cap, PE, overall shield — use Aiphone #862208

Wiring Distance

Sub Station to Central Control Unit: 165′(22 AWG)

Mounting

Flush-mount

Dimensions

4-1/2” H x 4-9/16” W x 1-13/16” D

The post NH-2SA/A Technical Specifications appeared first on Aiphone.

Specifications

Power Source

Supplied by Central Control Unit (NHX-80M)

Communication

Open Voice Hands-free communication

Wiring

Sub Station or Duty Station to Central Control Unit: 4 twisted pair, low cap, PE, overall shield — use Aiphone #862208

Wiring Distance

Sub Station to Central Control Unit: 165′(22 AWG)

Mounting

Flush-mount

Dimensions

4-1/2” H x 4-9/16” W x 1-13/16” D

The post NH-1SA/A Technical Specifications appeared first on Aiphone.

Specifications

Features

• Alerts staff when a master station receives a call (urgent calls override routine calls)
• Acknowledges any station call with tone and blinking LED (use NHX-50M to identify caller or to answer call)

Power Source

Supplied by Central Control Unit (NHX-80M)

Communication

Open Voice Hands-free communication

Wiring

Sub Station or Duty Station to Central Control Unit: 4 twisted pair, low cap, PE, overall shield — use Aiphone #862208

Wiring Distance

Duty Station to Central Control Unit: 65′(22 AWG)

Mounting

Flush-mount

Electrical Box

2-gang box

Dimensions

4-1/2” H x 4-9/16” W x 1-13/16” D

The post NHR-SP Technical Specifications appeared first on Aiphone.