Crestron MM-DS-12
MediaManifold® High-Definition CATV
Distribution System
Operations & Installation Guide
Regulatory Compliance
CAN ICES-3(B)/NMB-3(B)
As of the date of manufacture, the MM-DS-12 has been tested and found to comply with specifications for
CE marking.
Federal Communications Commission (FCC) Compliance Statement
This device complies with part 15 of the FCC Rules. Operation is subject to the following conditions:
(1) This device may not cause harmful interference and (2) this device must accept any interference received,
including interference that may cause undesired operation.
CAUTION: Changes or modifications not expressly approved by the manufacturer responsible for
compliance could void the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the li mits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses and can radiate radio
frequency energy and, i f not instal led and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in a
particular installation. If this e quipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
• Reorient or relocate the receiving antenna
• Increase the separation between the equipment and receiver
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected
• Consult the dealer or an experienced radio/TV technician for help
Industry Canada (IC) C ompliance Statement
The specific patents that cover Crestron products are list ed at patents.crestron.com.
Crestron, the Crestron logo, and MediaManifold are either trademarks or registered trademarks of Crestron Electronics, Inc. in the Un ited States and/or
other countries. FiOS is either a trademark or a registered trademark of Verizon in the United States and/or other countries. Other trademark s,
registered trademarks, and trade names may be used in this document to refer to either the entities claim ing the marks and names or their produc ts .
Crestron disclaims any proprietary interest in the marks and names of others. Crestron is not r esponsible for errors in typography or photography.
This document was written by the Technical Publications department at Crestron.
©2014 Crestron Electronics, Inc.
Crestron MM-DS-12 MediaManifold CATV Distribution System
Contents
MediaManifold CATV Distribution System: MM-DS-12 1
Introduction ............................................................................................................................... 1
Features and Functions ................................................................................................ 1
Theory ......................................................................................................................... 2
Applications................................................................................................................. 5
Specifications .............................................................................................................. 6
Physical Description .................................................................................................... 7
Setup ........................................................................................................................................ 11
Supplied Hardware .................................................................................................... 11
Installation ................................................................................................................. 11
Hardware Hookup ..................................................................................................... 12
Operation ................................................................................................................................. 15
Operating Modes ....................................................................................................... 15
Configure a Zone ....................................................................................................... 15
Restore Factory Settings ............................................................................................ 16
Problem Solving ...................................................................................................................... 17
Troubleshooting ......................................................................................................... 17
Reference Documents ................................................................................................ 17
Further Inquiries ........................................................................................................ 17
Future Updates .......................................................................................................... 18
Return and Warranty Policies .................................................................................................. 19
Merchandise Returns / Repair Service ...................................................................... 19
CRESTRON Limited Warranty................................................................................. 19
Operations & Installation Guide – DOC. 6600C Contents • i
Crestron MM-DS-12 MediaManifold CATV Distribution System
• 12-zone CATV distribution system
MediaManifold CATV Distribution
System: MM-DS-12
Introduction
The Crestron® MediaManifold® MM-DS-12 is a 12-zone bidirectional CATV
distribution amplifier featuri ng individual gain and tilt adjust ment on every o utput.
The MM-DS-12 integrates all of the elements of a complete professiona l he adend
into a single compact module. High power and headroom combine with low noise
and distortion to deliver exceptional performance for distributing both analog and
digital cable TV signals.*
Features and Functions
• Expandable from 24 to 576 zones
• High-power, high-headroom, low-noise, and low-distortion
• Supports bidirectional cable runs up to 300 feet (91 meters) each
• Individual gain and tilt a djustments per zone
• Automatic setup using M M-HTDR Cable Analyzer
• Built-in cable modem output and modulator input
• Compact surface wall-mount design
Simplicity without Compromise
Designing and installing a high-perfor mance residential or small commercial cable
TV system is easy with the MM-DS-12. The MM-DS-12 eliminates the numerous
splitters, combiners, amplifiers, and cables that make up an ordinary distrib ution
system, rep lacing the m all with a single, compact surface-mount module. Each of its
12 zone outputs supports up to 300 feet (91 meters) of homerun RG6 coaxial cable
feeding a single television or set-top box. An additional output is provided for cable
modem and digital phone, and an external modulator can also be connected to enable
signals from security cameras and other video sources to be combined and
distributed along with the main cable TV channels.
* Not compatible with systems utilizing a MoCA (Multimedia over Coax Alliance) based media service
such as Veri zo n FiOS
®
.
Operations & Installation Guide – DOC. 6600C MediaManifold CATV Distribution System: MM-DS-12 • 1
MediaManifold CATV Distribution System Crestron MM-DS-12
Frequency (MHz)
Fr eq. Response Af ter 5 f t (1.5 m) of Cable
Gain ( dB )
Automatic Adjustment
Compared to conventional CATV distribution amps, MediaManifold offers much
greater capability for proper adjustment, providing independent gain and tilt settings
for every zone. Adjusting these settings is extremely easy with MediaManifold.
Simply by entering the cable length for each zone, the MM-DS-12 sets the optimum
gain and tilt settings automatically.
Determining the cable lengths is also very simple using the optional MM-HTDR
Cable Analyzer.* The MM-HTDR employs st a t e-of-the-art "time domain
reflectometry" to determine the length and integrity of each RG6 cable run. At the
press of a button, the MM-HTDR analyzes the cable and transfers the length
measurement to the MM-DS-12, setting the appropriate gain and tilt values
automatically.
Easy Expansion
Adding the MM-DE-12 MediaManifold Expander* provides 12 additional output
zones. Housed in an identical compact module, the MM-DE-12 connects to the
MM-DS-12 using three “F” cables, supporting 24 zones total with automatic gain
and tilt adjustment for every zone output. Additional zones can be achieved by
cascading any zone connection to a second MediaManifold system, enabling
complete systems of over 500 zones.
Theory
Original Signal
The originating signal from the local cable o perator is a mostly flat signal at
approximately 0 dBmV as shown in the following diagram.
Originating Cable Signal
* Sold separately.
2 • MediaManifold CATV Distribution System: MM-DS-12 Operations & Installation Guide – DOC. 6600C
Crestron MM-DS-12 MediaManifold CATV Distribution System
Frequency (MHz)
Cable Drop at 300 ft ( 91 m )
Gain ( dB )
Frequency (MHz)
Fr eq. ResponseAfter Tilt Corr ec tion - 13 dB
Gain ( dB )
Cable Drop
When using longer length cable runs, the overal l signal strength drops while the
signal strength at the higher frequencies has a greater decrease as shown in the
following diagram.
Frequency Response on 300 Feet of Cable without Gain or Tilt Compensation
Setting the Cable Length
Setting the cable length on the MM-DS-12 lowers the signal strength of the low-end
frequencie s to the level of the high-end frequencies (tilt) and raises the signal
strength (gain) to match the original input signal. Refer to the following diagrams.
Frequency Response on 300 Feet of Cable with Tilt Compensation (No Gain Adjustment)
Operations & Installation Guide – DOC. 6600C MediaManifold CATV Distribution System: MM-DS-12 • 3
MediaManifold CATV Distribution System Crestron MM-DS-12
Gain ( dB )
Frequency (MHZ)
Fr eq. ResponseAfter 300 f t (91 m) Cable
and 23 dB G ain Com pens ation
Frequency Response on 300 Feet of Cable with Tilt and Gain Compensation
4 • MediaManifold CATV Distribution System: MM-DS-12 Operations & Installation Guide – DOC. 6600C
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