The Crestron® HD-MD421 is a 4K60 4:2:0 multiformat AV switcher that
provides a cost-effective solution for professional AV applications.
The HD-MD421 includes four HDMI® inputs, two DM Lite® inputs, and one
mirrored HDMI and DM Lite output.
In the Box
1 HD-MD421 AV Switcher
Additional Items
1 Power Pack, 24VDC 4.0A, 100-240VAC (2057005)
1 Power Cord, 5 ft 10 in. (1.78 m) (2042043)
1 Connector, 5-pin (2003577)
5 Connector, 3-pin (2003575)
2 Bracket, Rack Mount (2056673)
6 Screw, 6-32 x 5/16 in., Pan Head, Phillips, Black (2056674)
Install the Device
The device occupies 1 RU of rack space in a 19-inch equipment rack.
WARNING: To prevent bodily injury when mounting or servicing the unit
in a rack:
l When mounting the unit into a partially filled rack, load the rack from
the bottom to the top with the heaviest component at the bottom of
the rack.
l If the rack is provided with stabilizing devices, install the stabilizers
before mounting or servicing the unit in the rack.
NOTE: Observe the following rack mount installation guidelines:
l Elevated Operating Ambient Temperature: If installed in a closed or
multi-unit rack assembly, the operating ambient temperature of the
rack environment may be greater than room ambient temperature.
Therefore, consideration should be given to installing the equipment
in an environment compatible with the maximum ambient
temperature (Tma) specified by the manufacturer.
l Reduced Airflow: Installation of the equipment in a rack should be
such that the amount of airflow required for safe operation of the
equipment is not compromised.
l Mechanical Loading: Mounting of the equipment in the rack should be
such that a hazardous condition is not achieved due to uneven
mechanical loading.
l Circuit Overloading: Consideration should be given to the connection
of the equipment to the supply circuit and the effect that overloading
of the circuits might have on overcurrent protection and supply
wiring. Appropriate consideration of equipment nameplate ratings
should be used when addressing this concern.
l Reliable Earthing: Reliable earthing of rack-mounted equipment
should be maintained. Particular attention should be given to supply
connections other than direct connections to the branch circuit (e.g.,
use of power strips).
To mount the device into a rack:
1. Attach the two included rack mount brackets to the switcher using the
six included 6-32 x 5/16-inch Phillips pan head screws (three screws for
each side of the device).
2. Mount the device into a rack using four rack mount screws (two
screws per bracket, not included).
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Rack Mounting
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Front Panel
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Connect the Device
Connect the rear panel of the device as required for the application.
Rear Panel Connections
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NOTES:
l The HDMI and DM LITE outputs provide a mirrored output that
displays the same image on two display devices.
l Supported DM Lite transmitters are the HD-TX-101-C-E and
HD-TX-101-C-1G-E.
l Supported DM Lite receivers are the HD-RX-101-C-E,
HD-RXC-101-C-E, HD-RX-101-C-1G-E, and HD-RXC-101-C-1G-E.
l The power connection powers the HD-MD421 and all devices
connected to the DM Lite input and output ports. Power should not
be connected to the HD-MD421 and DM Lite devices simultaneously.
Upgrade the Firmware
Before using the device, upgrade the firmware. The latest firmware can be
downloaded from the HD-MD421 product page on the Crestron website
(www.crestron.com).
Configure the Device
Configure the device using the web interface. To access the web interface,
open a web browser and then go to the IP address of the device.
NOTE: By default, the IP address of an HD-MD421 device is assigned by
a DHCP server on the network. If a DHCP server does not exist on the
network, the IP address defaults to a link-local address in the
169.254.xxx.xxx range. To display the IP address on the connected
display, press the SETUP button on the front panel of the device.
If no account has been created, create an account by entering a user
name and password. After an account is created, log in to the web
interface by entering the user name and password.
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Observe the LED Indicators
Refer to the following table for information about the LED indicators on
the device.
LED Indicator Color Meaning
PWR Amber Power is being applied to the device.
Thedevice is booting.
Green Power is being applied to the device.
Thedevice is operational.
AUTO Green Automatic switching is enabled.
SETUP Red
The SETUP button is pressed.
Ethernet Green A 100BASE-TX link is established.
Flashing amber Data activity is occurring on the
Ethernet link.
INPUT 1-6 Green The corresponding input is routed to an
output.
Amber A source is detected at the
corresponding input but is not routed
to an output.
DMLITE
OUTPUT
Green A DM Lite link is established.
Flashing amber Non-HDCP video is detected.
Solid amber HDCP video is detected.
Visit the Product Page
Scan the QR code to visit the product page.
HD-MD421
www.crestron.com/model/6511677
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Important Instructions
Important Safety Instructions
WARNING: When using this product, basic precautions should always be
followed, including the following:
1. Read these instructions carefully.
2. All cautions and warnings should be followed.
3. The equipment should only be used at maximum 40°C (104°F) ambient
temperature.
4. Opening the equipment could result in electrical shock and should only
be done by qualified service personnel.
5. Protect equipment from humidity.
6. Do not insert foreign objects or liquids into the openings, this could
cause a fire or electrical shock.
7. Do not use chemical detergents to clean your device, use a soft dry
cloth.
8. To avoid damage from electrical peaks unplug the device when it is not
in use.
9. If one of the following situations arise, equipment has to be checked by
qualified service personnel:
l Liquid has penetrated into the equipment.
l Equipment has been exposed to humidity.
l Equipment has been dropped and/or is damaged.
l Equipment has obvious sign of breakage.
l Equipment does not work well or you cannot get it working
according to user’s manual.
10. Do not expose the equipment to water or place objects filled with
water on top of it.
Instructions Importantes
Instructions de sécurité importantes
Les avertissements: concernant l'utilisation de ce produit doivent
toujours être fondés sur les précautions fondamentales, notamment:
1. Lisez attentivement ces notes.
2. Tous les avertissements et avertissements doivent être respectés.
3. L'équipement ne peut être utilisé qu' à une température ambiante
maximale de 40 °C (104 °F).
4. L'ouverture de l'appareil peut provoquer un choc électrique qui ne peut
être assuré que par un personnel d'entretien qualifié.
5. Empêcher l'humidité du dispositif.
6. Il est interdit d'introduire des objets étrangers ou liquides dans
l'ouverture, faute de quoi cela pourrait provoquer un incendie ou un
choc électrique.
7. Ne pas utiliser d'appareil de nettoyage chimique et utiliser un tissu sec
souple.
8. Pour éviter les dommages de crête électrique, retirez la fiche
d'alimentation lorsque le dispositif n'est pas utilisé.
9. Dans l'un des cas enoncés ci dessous, le matériel doit être vérifié par
un service qualifié:
l Dispositif d'infiltration de liquide.
l L'équipement est exposé à l'humidité.
l Matériel tombé et / ou endommagé.
l L'équipement a été endommagé.
l Le matériel ne fonctionne pas correctement ou ne peut pas être
utilisé conformément au Manuel de l'utilisateur.
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10. L'équipement ne doit pas être exposé à l'eau ni être placé sur des
objets remplis d'eau.
Additional Information
Original Instructions
The U.S. English version of this document is the original instructions.
All other languages are a translation of the original instructions.
Regulatory Model: M202028002
Crestron product development software is licensed to Crestron dealers and Crestron
Service Providers (CSPs) under a limited nonexclusive, nontransferable Software
Development Tools License Agreement. Crestron product operating system software is
licensed to Crestron dealers, CSPs, and end-users under a separate End-User License
Agreement. Both of these Agreements can be found on the Crestron website at
www.crestron.com/legal/software_license_agreement.
The product warranty can be found at www.crestron.com/warranty.
The specific patents that cover Crestron products are listed at
www.crestron.com/legal/patents.
Certain Crestron products contain open source software. For specific information, visit
www.crestron.com/opensource.
Crestron, the Crestron logo, and DM Lite are either trademarks or registered
trademarks of Crestron Electronics, Inc. in the United States and/or other countries.
HDMI and the HDMI logo are either trademarks or registered trademarks of HDMI
Licensing LLC in the United States and/or other countries. Other trademarks, registered
trademarks, and trade names may be used in this document to refer to either the
entities claiming the marks and names or their products. Crestron disclaims any
proprietary interest in the marks and names of others. Crestron is not responsible for
errors in typography or photography.
©2021 Crestron Electronics, Inc.
Doc. 8892B
02/16/21
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dans d''autres langues
- English: Crestron HD-MD421
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