Crestron electronic DMTH4 manuals
Communications > Telephone
When we buy new device such as Crestron electronic DMTH4 we often through away most of the documentation but the warranty.
Very often issues with Crestron electronic DMTH4 begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Telephone Crestron electronic DMTH4 is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Telephone on our side using links below.
Crestron electronic DMTH4 Quick Start
24 pages 2.81 Mb
3 Important Safety Instructions4 Table of Contents5 Introduction6 Controls and FeaturesPOWER On/Off Switch USB Port Status LED Mode Switch Front Panel Rear PanelPOWER Plug RS232 Port USB Port Programmable Input and Output Ports DANI TEL/CODEC RC Audio Inputs and Outputs Telephone Set/Line 7 -- -Shield Source +Unbalanced source to DM input (3-Wire) DM In + +Unbalanced source to DM input (2-Wire) ShieldBalanced source to DM input (3-Wire) DM In + -Installing the DM system into a rack Cables Audio Connections Audio Inputs (AUX and CODEC)Unbalanced Sources Balanced Sources Hardware InstallationContact Closure as Programmable Input 8 --DC Voltage Source as Programmable Input Potentiometer Connection for Analog Control of Gain Programmable Outputs Audio Outputs (AUX and CODEC) Telephone Line Jack Programmable InputsAnalog Input RP Gain Control Analog DM Out + -DM Out to Balanced Input (3-Wire) Shield DM Out Destination DM Out to Unbalanced Input (3-Wire) Shield DM Out Destination DM Out to Unbalanced Input (2-Wire)Installation Guide Rio Rancho, NM 9 Switch IN 3 9 Expansion I/O portsPROGRAMMABLE INPUTS/OUTPUTS MasterSlaveMasterSlave1 - GND 2 - IN 1 3 - IN 3 4 - IN 5 5 - IN 7 6 - IN 9 7 - IN 11 8 - GND 9 - OUT 1 10 - OUT 3 11- OUT 5 12 - OUT 7 13 - GND 14 - +5V 15 - IN 2 16 - IN 4 17 - IN 6 18 - IN 8 19 - IN 10 20 - +5V 21 - OUT 2 22 - OUT 4 23 - OUT 6 24 - OUT 8 25 +5V OUT 3 OUT 4 OUT 1 IN 1 IN 2 Programmable Inputs and Outputs Wiring ExampleThree Programmable Inputs:2 - 10 K linear potentiometers for volume control 1 - Tobble switch for muting 3 Programmable Outputs:LEDS for function indicators (380 to 500 Ohm resistors in-line to avoid burning out LEDS) NOTECommon Connections can be used for all voltage and ground connections among all devices. CODEC and TEL Remote Control PortsNOT WARNING: The Expansion I/O connectors are Expansion I/O Ports (DANI Bus) CODEC and TEL Remote Control Ports Expansion Port Digital Audio Network Interface Interconnection Diagram 10 Installing LecNet2 Software and USB Driver13 Basic System Setup16 Example Teleconferencing Setup19 Basic System Operation22 FCC Part 68 ComplianceFCC Part 15 Compliance
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