Crestron 3 Series User manual
The Crestron® RMC3 is a compact, cost-effective 3-Series® control
system designed to provide control and monitoring for a single display
device, a small AV system, lighting and shading, climate control, security,
energy management, and many other specialized applications. Its small
form factor allows it to be placed just about anywhere with the option to
attach it to a flat surface or DIN rail.
In the Box
1 RMC3, 3-Series® Media Room Controller
Additional Items
1 Bracket, Mounting, Integrated DINRail Clip (4510935)
2 Screw, 6-32, 3/8 in., Phillips(2007225)
1 Adapter, USB to USBMini (2037338)
2 Connector, 3-Pin (2003575)
2 Connector, 4-Pin (2003576)
1 Connector, 5-Pin (2003577)
Mount the Device
The RMC3 can be mounted onto a flat surface or a standard DIN rail
using the included mounting bracket.
CAUTION:To prevent overheating, do not operate the RMC3 in an area
that exceeds the environmental temperature range (32 to 104°F or
0to40°C) for this device.
Optional rack mount and pole mount kits (not included)are also available
for use with the extender. For more information, refer to the RMK-IFE-1U
Installation Guide (Doc. 7627) and the PLMK-IFE-101 Installation Guide
(Doc. 7615) at www.crestron.com/manuals.
SurfaceMounting
1. Detach the RMC3 from the mounting bracket by pulling the left and
right flanges of the bracket outward to release the tabs that hold the
RMC3 in place.
2. Attach the mounting bracket to the surface by using four appropriate
mounting screws (not included) through the four mounting holes on
the bottom of the bracket.
3. Align the slots on the bottom of the RMC3 with the tabs on the
mounting bracket.
4. Press the RMC3 into the bracket until it snaps into place.
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RMC3 QuickStart
3-Series® RoomMedia Controller
5. (Optional) Secure the extender to the bracket using the two included
6-32 3/8 in. screws as shown in the following illustration. DINRail Mounting
1. Detach the RMC3 from the mounting bracket by pulling the left and
right flanges of the bracket outward to release the tabs that hold the
RMC3 in place.
2. Pull the DIN rail release tab downward using a flat-head screwdriver.
3. Position the DIN rail mounting tabs (located on the rear of the
bracket) over the top edge of the DIN rail.
4. Push the DIN rail release tab upward to lock the mounting bracket
onto the rail.
5. Align the slots on the bottom of the RMC3 with the tabs on the
mounting bracket.
6. Press the RMC3 into the bracket until it snaps into place.
NOTE:Do not use the included screws to secure the bracket to the
bottom of the RMC3 when mounting into a DINrail, as it will then not
be possible to remove the RMC3 from the DIN rail.
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RMC3 QuickStart
3-Series® RoomMedia Controller
Connect the Device
Make all device connections as shown in the following illustrations.
Front Panel Connections
Rear Panel Connections
Observe the following when connecting the RMC3:
lPower is provided to the RMC3 by a single Ethernet cable. A Crestron
PoE (Power over Ethernet) power supply, such as the PWE-4803RU,
or a PoE-capable network switch is recommended (both not included).
lConnect the chassis ground lug to a known earth ground circuit (for
example, building steel) to ensure that the RMC3 is grounded properly.
lApply power after all connections have been made.
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RMC3 QuickStart
3-Series® RoomMedia Controller
COM1 Connections
Port RS-232 RS-4221RS-485
GGND GND GND2
TX TX(from RMC3) TX- (from RMC3) TX-/RX-
RX RX(to RMC3) RX+(from RMC3) Not used
RTS RTS(from RMC3) TX+(from RMC3) TX+/RX+
CTS CTS(to RMC3) RX- (to RMC3) Not used
1. RS-422 transmit and receive are balanced signals that require two lines plus a ground
in each direction. RXD+ and TXD+ should idle high (going low at start of data
transmission). RXD- and TXD- should idle low (going high at start of data
transmission). If necessary, RXD+/RXD- and TXD+/TXD- may be swapped to maintain
correct signal levels.
2. A ground terminal connection is recommended but not required.
Configure the Device
The RMC3 may be configured using Crestron Toolbox™ software or the
included web-based configuration utility.
To configure the control system:
1. Use the Device Discovery tool in Crestron Toolbox to discover the
RMC3 and its IP address on the network.
2. Use Crestron Toolbox to set the time zone. For more information,
refer to the Crestron Toolbox help file.
3. Use a web browser to navigate to http://
xxx.xxx.xxx.xxx
/setup, where
xxx.xxx.xxx.xxx
is the device IPaddress. The 3-Series splash page is
displayed.
NOTE: If a security warning is displayed, click Install to continue.
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RMC3 QuickStart
3-Series® RoomMedia Controller
4. Click Setup. The main Setup page is displayed.
The Setup page displays the IP address, hostname, and MAC address of
the RMC3. The Setup page also provides access to various setup and
programming pages.
lClick one of the setup selections to configure the applicable device
settings.
lClick the back button on any page to return to the previous page.
Visit the Product Page
Scan the QR code to visit the product page.
RMC3
www.crestron.com/model/6505761
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RMC3 QuickStart
3-Series® RoomMedia Controller
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.
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, 3-Series, Cresnet, and Crestron Toolbox are either
trademarks or registered trademarks of Crestron Electronics, Inc. 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.
©2020 Crestron Electronics, Inc.
Doc. 7962B
03/09/20
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RMC3 QuickStart
3-Series® RoomMedia Controller
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