Name: Sonifex DHY-04
Brand: Sonifex
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Manufacturers of audio & video

products for radio & TV broadcasters

HANDBOOK

DHY-04 Digital TBU

DHY-04

DHY-04S

DHY-04T

Single Freestanding Automatic Digital TBU, AES/EBU &

Analogue I/O With Ethernet

Single Rackmount Automatic Digital TBU, AES/EBU &

Analogue I/O With Ethernet

Twin Rackmount Automatic Digital TBU, AES/EBU &

Analogue I/O With Ethernet

Default Chapter3
- Table of Contents3
Product Warranty - 2 Year Extended7
- Sonifex Warranty & Liability Terms & Conditions7
  - Definitions7
  - Warranty7
- Unpacking Your Product8
- Repairs & Returns9
Conformity9
- ACMA Conformity9
Safety & Installation of Mains Operated Equipment9
- Voltage Setting Checks9
- Fuse Rating9
- Power Cable & Connection9
- WEEE Directive10
- Atmosphere/Environment10
What Is a Telephone Hybrid11
- The Best Telephone Hybrid in the World Just Got Better11
- DHY-04 Single Freestanding Automatic Digital TBU12
- Figure 1-1: DHY-04 Front & Rear12
- Available Formats13
- DHY-04S Single Rackmount Automatic Digital TBU13
- DHY-04T Twin Rackmount Automatic Digital TBU13
- Figure 1-2: DHY-04S Front & Rear13
- Figure 1-3: DHY-04T Front & Rear13
Configuration & Controls - DHY-04, DHY-04S, DHY-04T14
- Front Panel Controls14
- DHY-04 Internal Controls & Adjustments15
  - Jumper and Select Switcher Functions15
  - Figure 2-2: Internal Position of Jumper J115
- Rear Panel Controls & Connections16
III18
III18
- Ethernet Port18
- Mains Input18
- Protective Earth Terminal18
- Configuration Settings Dipswitches18
- Figure 2-4: Configuration Settings Switches18
III19
- Country Code Selection19
- Table 2-1: Supported Disconnect Tone Details by Country22
III23
- IEC Mains23
- Telephone Line23
- Handset23
- Remote Line Hold23
- MIC/Line Input23
- XLR Output23
- Figure 3-1: DHY-04 User Connections23
- Using the AES/EBU Input & Output24
III23
III23
- Using the DHY-0424
- Call Established25
- Using the Conference Port as a Record Output26
- Using the Conference Port to Share a Stereo Digital Audio26
- Connection between Two DHY-04 Units26
- Figure 3-2: Conference Port Cable Connections26
Hybrid Technical Description27
- Electrical Interface27
- Impedance Matching27
- Echo Cancellation27
Serial Port Control29
- DHY-04 Serial Connection29
  - SCI Software29
- Serial Interface Commands & Responses29
  - Error Messages29
Webserver & Network Discovery30
- Connecting to the Device30
- First Time Usage30
- MDNS-SD and Bonjour30
- Sonifex Service Discovery App30
- Figure 6-1: Bonjour Service Discovery Page31
- Figure 6-2: Legacy Service Discovery Page31
- Home Page32
Dialler Page33
- Call State33
- Dial33
- Figure 6-4: Dialler Page33
Configuration - Telephone34
- Country Code34
- Disconnect Settings34
- Answer Control34
- Figure 6-5: Telephone Configuration34
- Buttons35
Configuration - Telephone Details35
- Figure 6-6: Detailed Telephone Configuration35
Configuration-Remote36
- Input Port36
- Figure 6-7: Remote Port Configuration36
- Output Port37
Configuration-Misc38
- Config Name38
- Description38
- Echo Duration38
- Conference Port Function38
- Figure 6-8: Misc Configuration38
- Force Analogue Output39
- Save Cancellation Coeffs39
Password Setting40
- Figure 6-9: Password Setting Page40
Network Settings41
- Bonjour Name41
- Static IP Address41
- Figure 6-10: Network Page41
- Static Subnet Mask42
- Gateway IP Address42
- Dynamic Addressing42
Device Info Page43
- Figure 6-11: Device Info Page43
Update Firmware Page44
- Update Firmware44
- Figure 6-12: Updates Page44
- Update Config Files45
Log in46
- Figure 6-13: Log in Page46
Bootstrap Mode47
- Figure 6-14: Bootstrap Page47
Technical Specification48
Approvals Information50
- Manufacturer50
- Equipment Type50
- Approval File Reference50
- Functions50
- Specified Systems51
- Ringer Equivalence Number51
- Accessory Ports51
- Conditions51
- Series Connection51
- Facilities51
- Statutory Mark51
Appendix 1 - Telephone Registers52
AC Impedance Setting53

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Sonifex DHY-04 Specifications

General

Type	Hybrid Telephone Interface
Input Impedance	600 Ohms
Output Impedance	600 Ohms
Power Supply	12V DC
THD+N	<0.1%
Signal to Noise Ratio	>90 dB
Power Supply Current	150mA
Input	XLR
Output	XLR
Power	12V DC

Sonifex DHY-04 User Manual

Table of Contents

Questions and Answers:

Sonifex DHY-04 Specifications