ASCOM NURD-Hx User manual
INSTALLATION GUIDE
Room Display (NURD-Hx)
Symbols
INSTALLATION GUIDE
Room Display (NURD-Hx)
1 Symbols
Important Safety Information
The Room Display (NURD-Hx) Installation Guide contains important instructions when installing and
maintaining the NURD-Hx. To ensure a safe working environment during the installation and operation of
the NURD-Hx, the following safety symbols appear throughout this document to indicate dangerous
conditions and important safety instructions.
Caution: Use extreme caution and follow instructions carefully.
Pay particular attention to statements referred to by a note.
1TD 93431EN / 02 March 2022 / Ver. A
INSTALLATION GUIDE
Room Display (NURD-Hx) Description
2 Description
The Room Display NURD-Hx is a wall-mounted device that is suitable for room applications. The module
connects to an active room bus . The module is powered by the room bus. A special mounting plate with
several holes and slots is meant for easy installing and mounting.
Packing list:
• 1 x Room display module
• 1 x Back plate
• 1 x Button insert EU
Available Accessories
Accessories: Button Insert Kit UK (P/N NUCBKRD–HK)
Button Insert Kit AU (P/N NUCBKRD–HA)
Short back plate room display white (NCS S0300–N) (P/N
660360)
Accessories are not included and must be ordered separately.
TD 93431EN / 02 March 2022 / Ver. A 2
Module Connections
INSTALLATION GUIDE
Room Display (NURD-Hx)
3 Mo ule Connections
The module includes two RJ45 jacks for room bus connections and a jumper for room bus addressing. The
figure below shows the jacks and jumper on the back of the module.
Figure 1. Module Connections
Legend
1. 2x RJ45 connections to room bus
2. Jumper for room bus addressing
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INSTALLATION GUIDE
Room Display (NURD-Hx) Setting the Room Bus Address
4 Setting the Room Bus A ress
The room bus address is a unique number assigned to a room module when modules of the same type are
attached to the room bus.
Per room bus a maximum of two modules can be used. A jumper sets the address to A0 or to A1. Default is
address A0.
If the jumper is missing, the address is the default address A0.
Setting the address:
1. Set the jumper for the correct address in the position A0 or A1.
See below:
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Mounting
INSTALLATION GUIDE
Room Display (NURD-Hx)
5 Mounting
The NURD-Hx has an IP40 ingress protection. The areas where NURD-Hxs are to be installed must be clean,
dry, and weatherproof. The walls should be finished (painted, wall papered, tiled, etc.) before the devices
are installed.
The base of the NURD-Hx mounts to backboxes using an array of holes that allow for mounting on various
backboxes.
Caution: To prevent a fire hazard because of dust buildup inside the NURD-Hx, regular
inspection and/or cleaning of the NURD-Hx is required.
Take proper measures to avoid spreading dust and other particles when applying
maintenance to an NURD-Hx that is mounted inside a clinical area.
5.1 NURD Mounting Plate
Be aware that mounting the room display on or near metal surfaces can negatively influence the
room displays RFID card reader performance.
Figure 2. Mounting plate
Legend:
1. Slots and screws for EU style backboxes
2. Mounting holes for wall mount without a backbox
3. Indicator showing which side needs to be up
5.2 Mount the NURD-Hx onto a backbox
To install the NURD-Hx comes with a special plate with several holes and slots for mounting on a wide
range of backboxes. Here a standard EU-style backbox is shown.
1. Loosen the screws of the backbox by approximately 5mm. Place the mounting plate over the backbox
with the arrow pointing up (See Figure 2. Mounting plate, page 5, item 3)
2. Pull the room buses through the plate of the NURD-Hx.
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INSTALLATION GUIDE
Room Display (NURD-Hx) Mounting
See 8 Terminating the Room Bus RJ45 Connectors, page 11.
3. Place the plate over the backbox screws using the slots as a guide.
Make sure that the plate is level, then tighten the screws until they are snug. Do not overtighten.
4. Insert the room buses into the RJ45 connectors on the rear side of the NURD-Hx.
5. Position the module on the plate:
TD 93431EN / 02 March 2022 / Ver. A 6
Mounting
INSTALLATION GUIDE
Room Display (NURD-Hx)
− Click the lower part of the module onto the lower part of the plate , see (1)
− Click the top part of the module onto the top part of the plate, see (2)
5.3 Mount the NURD-Hx without a backbox irectly onto a wall
To install the NURD-Hx comes with a special plate with several holes for mounting on a wall or flat surface.
1. Use the mounting plate and position it where the module is needed. Use the holes (See Figure 2.
Mounting plate, page 5, item 2) of the plate to prepare and mark the wall or surface for mounting.
2. Drill holes and use plugs if applicable where the wall or surface has been marked
3. Pull the room buses through the plate of the NURD-Hx
See 8 Terminating the Room Bus RJ45 Connectors, page 11.
4. Place the plate and use appropriate screws to mount the plate.
Make sure that the plate is level, then tighten the screws until they are snug. Do not overtighten.
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INSTALLATION GUIDE
Room Display (NURD-Hx) Mounting
5. Insert the room buses into the RJ45 connectors on the rear side of the NURD-Hx.
6. Position the module on the plate:
− Click the lower part of the module onto the lower part of the plate , see (1)
− Click the top part of the module onto the top part of the plate, see (2)
TD 93431EN / 02 March 2022 / Ver. A 8
Inserting a button insert
INSTALLATION GUIDE
Room Display (NURD-Hx)
6 Inserting a button insert
The module can be customized with a button insert. A standard insert can be used or custom made one.
A custom made insert shall be water resistant.
Figure 3. Inserting a new button insert
Follow these steps for a new button insert:
1. Insert the button insert from the right of the module into the slid of the button membrane.
Make sure that the button insert is fully inserted and that the LEDs of the buttons are still visible
through the button insert.
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INSTALLATION GUIDE
Room Display (NURD-Hx) Removing the module
7 Removing the mo ule
Removal of the NURD-Hx
1. Use a flat tipped screw driver to separate the module from the mounting plate. Push the tip into one of
the indentations between the module and the mounting plate.
2. Twist the screw driver and pull the module gently away. The module is still connected to the room
buses.
3. Disconnect the room buses from the module.
4. Remove the mounting plate from the backbox or wall.
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Terminating the Room Bus RJ45 Connectors
INSTALLATION GUIDE
Room Display (NURD-Hx)
8 Terminating the Room Bus RJ45 Connectors
The NURD-Hx includes two active room bus RJ45 sockets. Crimp the RJ45 connector(s) to the room bus
cable(s) using the Ethernet T-568B termination color scheme. The following figure shows the correct pinout
for terminating the active room bus cables.
RJ45 connector for active room bus cable
For easy mounting of the RJ45 connector, use Easy RJ45 connectors that allow feeding excess wire length
through the connector. When crimping, the excess wire length will be cut automatically.
(Easy) RJ45 connectors are not included and must be ordered separately.
Easy RJ45 connectors require a dedicated crimping tool (not included) that includes a cutting
mechanism to cut the excess wire when crimping the connector on the cable.
RJ45 Connector on Cat 6/7 Cables
Caution: Cat 6/7 cables may be too stiff to handle using the normal terminating procedure,
which can result in putting to much stress onto the switch module when it is mounted onto
the backbox.
Therefore remove an appropriate portion (1) of up to 15cm (6in.) of the outer jacket before
crimping the RJ45 connector onto the Cat 6/7 cable.
Note that the individual twisting of the wire pairs should remain intact up to the RJ45
connector.
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INSTALLATION GUIDE
Room Display (NURD-Hx) Specifications
9 Specifications
Wire/terminations Cat 5/5e/6/7, U/UTP
Cat 6/7 cable will work electrically but may be too stiff for
some back boxes.
Compatible electrical boxes (metal
or plastic) • EU box (or equivalent) Single backbox with mounting holes
60mm (2.36in.)
• MK Honeywell models (or equivalent) 1-gang: 861ZIC, 866ZIC,
877ZIC Note: UK backboxes require single (NUMP86-HK) or
dual (NUMPD86-HK) mounting plates.
TD 93431EN / 02 March 2022 / Ver. A 12
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Ascom (Sweden) AB
Grimbodalen 2
SE–417 49 Göteborg
Sweden
Phone +46 31 55 93 00
www.ascom.com
TD 93431EN / 02 March 2022 / Ver. A
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