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User Guide
HelixNet Digital Partyline 4.2
User Guide
Part Number: 399G229 Rev C
Date: February 25, 2021
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HelixNet | User Guide
Document reference
HelixNet Digital Partyline User Guide
Part Number: 399G229 Rev C
Legal disclaimers
Copyright © 2021 HME Clear-Com Ltd
All rights reserved
Clear-Com and the Clear-Com logo are trademarks or registered trademarks of HM Electronics,
Inc.
The software described in this document is furnished under a license agreement and may be used
only in accordance with the terms of the agreement.
The product described in this document is distributed under licenses restricting its use, copying,
distribution, and decompilation / reverse engineering. No part of this document may be
reproduced in any form by any means without prior written authorization of Clear-Com, an HME
Company.
Clear-Com Offices are located in California, USA; Cambridge, UK; Dubai, UAE; Montreal,
Canada; and Beijing, China. Specific addresses and contact information can be found on Clear-
Com’s corporate website: www.clearcom.com
Clear-Com contacts
Americas and Asia-Pacific Headquarters
California, United States
Tel: +1 510 337 6600
Email: CustomerServicesUS@clearcom.com
Europe, Middle East, and Africa Headquarters
Cambridge, United Kingdom
Tel: +44 1223 815000
Email: CustomerServicesEMEA@clearcom.com
China Office
Beijing Representative Office
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Beijing, P.R. China
Tel: +8610 59000198/59002608
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Table of contents
1 Introduction 8
1.1 Simple installation 8
1.2 System scalability 8
1.3 Important Safety instructions 8
1.4 Methods of connection: system overview 10
1.5 System Resource 14
1.6 Further Information 15
2 Panels and Interfaces 16
2.1 Main Station/Remote Station: Front panel 16
2.2 Main Station/Remote Channel Keyset and Display 20
2.3 HMS-4X Main Station: Rear Panel 23
2.4 Remote Station rear panel 29
2.5 Speaker Station 32
2.6 HBP-2X Beltpack 38
2.7 HXII-BP-X4 Beltpack 43
3 Installing HelixNet Partyline 52
3.1 Planning your HelixNet Partyline installation 52
3.2 Installing the Main Station/Remote Station 57
3.3 Installing the Speaker Station 57
3.4 Installing the HBP-2X Beltpacks 60
3.5 Installing the HXII-BP-X4 Beltpacks 61
3.6 HelixNet Infrastructure 62
3.7 Converting Analogue Partylines to HelixNet 64
4 IP Network Structure 65
4.1 Multiple Groups in the Same IP Network 65
4.2 Link Local Environments 66
5 Configuring and managing the Main Station from front menus 69
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5.1 Using the Menus 69
5.2 Configuring the Audio settings 70
5.3 Selecting Station Settings 76
5.5 Configuring the Control I/O 80
5.6 Configuring Module Settings 83
5.7 Administration 95
5.8 Diagnostics 99
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6 Configuring and Managing the Remote Station from Front Menus 102
6.1 Configuring the audio settings 102
6.2 Selecting Station Settings 106
6.3 Configuring the Channel settings 107
6.4 Configuring the Control I/O 107
6.5 Connecting the Remote Station to a Main Station using LAN 109
6.6 Networking 109
6.7 Administration 110
6.8 Diagnostics 112
6.9 Setting up a Key Expansion Group 114
7 Configuring and managing the Speaker Station from front menus 115
7.1 Using the Menus 115
7.2 Configuring the Audio settings 116
7.3 Station Settings 116
7.4 Connecting the Speaker Station to a Main Station 117
7.5 Networking 117
7.6 Administration 117
7.7 Diagnostics 118
8 Configuring and managing the beltpacks from front menus 119
8.1 Using the Menus 119
8.2 Configuring the Role Settings 120
8.3 Configuring the Audio Settings 120
8.4 Audio Settings for the Microphone 122
8.5 Configuring the beltpack Settings 122
8.6 Configuring the Display Settings 124
8.7 Network - Powerline 126
8.8 Network - Ethernet 126
8.9 Administration 127
8.10 Diagnostics 127
9 Using the Main Station/Remote Station 129
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9.1 Using the Gooseneck Mic, Loudspeaker and Headset 129
9.2 Entering and Exiting Menu Mode 131
9.3 Using the Channel Keysets 131
9.4 Using the All Talk Key 132
9.5 Using the SA [Stage Announce] key 132
9.6 Using the RMK [Remote Mic Kill] Key 133
9.7 Line 1 and 2 LEDs 135
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9.8 Line and LAN LEDs 135
10 Using the Speaker Station 136
10.1 Using the gooseneck mic, loudspeaker and headset 136
10.2 Entering and exiting Menu Mode 138
10.3 Using the Channel Keysets 138
10.4 Using the speaker station with push-to-talk (PTT) actions 139
11 Using the HBP-2X Beltpack 140
11.1 Using the Beltpack Keysets 140
11.2 Entering and Exiting Menu Mode 141
11.3 Adjusting the Program Feed Volume Level 141
12 Using the HXII-BP-X4 Beltpack 142
12.1 Using the Beltpack Keysets 142
12.2 Entering and Exiting Menu Mode 143
12.3 Adjusting the Program Feed Volume Level 143
12.4 Binaural Audio 143
13 Roles 144
13.1 Roles overview 144
13.2 Example Roles Set Up 145
13.3 Device Default Roles 147
13.4 To Select a Role for a Device 148
13.5 Creating and Editing Roles in the CCM 148
13.6 Roles (System Limits) 150
14 Core Configuration Manager (CCM) 151
14.1 Access the CCM 152
14.2 Minimum Requirements for the CCM 152
14.3 Overview Page 153
14.4 Device Page 154
14.5 General Page 155
14.6 Save/Restore System Settings 157
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14.7 Linking Page 158
14.8 Network Page 159
14.9 Ports Page 160
14.10 Roles Page 163
14.11 Assignments Page 164
15 Using the CCM to configure Roles 168
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15.1 Editing Main Station roles 168
15.2 Editing the Keyset 168
15.3 Editing the Station 170
15.4 Editing the Headset 172
15.5 Editing the Microphone 173
15.6 Editing the Program Input 174
15.7 Editing the Stage Announce Output 175
15.8 Editing the Hot Mic Output 175
15.9 Editing the Loudspeaker 175
15.10 Logic Input/Output Options 177
15.11 Editing Remote Station roles 179
15.12 Editing Speaker Station roles 181
15.13 Editing the beltpack roles 184
15.14 Configure a Stacked Key on a Beltpack using the CCM 186
15.15 Call a Beltpack Using the USB Flasher Feature 187
15.16 Disable Menu Access on any Device from the CCM 188
16 Linking in the Core Configuration Manager (CCM) 190
16.1 A HelixNet Link-Group Overview 190
16.2 Device Configuration in the CCM 191
16.3 Linking Main Stations in the CCM 192
17 Linking Main Stations (Cabling and Linking from Device Menus) 195
17.1 Linking Scenarios 195
18 Pairing Remote Stations, Speaker Stations and HXII-BP-X4 Beltpacks to the
Main Station 200
18.1 Pairing Scenarios 200
18.2 Networking Specifications 205
19 Connecting to other Intercom Systems 207
19.1 Connecting LQ to HelixNet 207
19.2 LQ to HelixNet connectivity 207
19.3 Connecting HelixNet Partyline to Encore® 213
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19.4 Connecting HelixNet Partyline to RTS (Telex) two-wire systems 215
19.5 Four-Wire Connection to FreeSpeak II Base II 218
19.6 Connecting HelixNet Partyline to the DX210/DX410 218
19.7 Connecting HelixNet Partyline to Eclipse® 222
19.8 Connecting HelixNet Partyline to Two-Way Radio Systems 226
20 System Specifications 229
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20.1 Main Station (HMS-4X) 229
20.2 Two-Wire Module (HLI-2W2) 232
20.3 Four-Wire Module (HLI-4W2) 234
20.4 Fiber interface module (HLI-FBS) 234
20.5 Remote Station (HRM-4X) 235
20.6 Speaker Station (HKB-2X) 240
20.7 Beltpack (HBP-2X) 243
20.8 Beltpack (HXII-BP-X4) 244
20.9 Network (Ethernet) 246
20.10 Roles (System Limits) 248
21 Glossary 249
22 HMS-4X Main Station Menu Map 251
22.1 HRS-4X Remote Station Menu Map 262
22.2 HKB-2X Speaker Station Menu Map 268
22.3 HBP-2X and HXII-BP-X4 Beltpack Menu Map 272
23 Cabling reference 277
23.1 Interoperability 277
23.2 Clear-Com EthernetCable Recommendations 278
23.3 Clear-Com Microphone Cable Recommendations (Capacitance Versus Distance) 278
23.4 Cable Connections 281
24 Troubleshooting 285
25 Compliance 288
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1 Introduction
This guide is intended to help you install, configure, and use the HelixNet Partyline™ system.
HelixNet Partyline is a digital intercom system designed to combine the simplicity and ease of use
of an analog partyline system with the quality and deployment flexibility of Ethernet networks.
1.1 Simple installation
User stations can be added to the system without configuration
l Simple and fast global web browser or front panel configuration
l All partyline channels are available on every cable
l Easy integration with other 2-wire or 4-wire systems
l Standard Infrastructure:
HelixNet | User Guide
l Ethernet networks – PoE powered user stations
l XLR Cables – daisy changing and passively splitting
l Digital distribution for low noise floor
Note: Cabling for a HelixNet system should always be screened.
1.2 System scalability
HelixNet Partyline is easily expanded by adding additional HMS-4Xs (up to a maximum of 6) or LQ
devices (up to 3 in a Link-Group).
l 12 or 24 channels per system with optional feature license
l 64 Endpoints (user stations and ports) per HelixNet system
l LQ devices can be mixed in a HelixNet Link-Group for audio port expansion as well as the
optionally licensed Agent-IC mobile app and SIP/VoIP clients.
l Expansion option to enable talk and listen on more than four Channels.
l A choice of beltpacks and the option of wall/desktop Remote Stations that connect to a
system that contains a Main Station
1.3 Important Safety instructions
HelixNet digital Partyline uses cable infrastructure to transport audio and data over a range of
frequencies. The maximum frequency used for transmission is approximately 25MHz. Depending
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on the amount of audio and data transmitted, HelixNet digital Partyline can work with as much as
90dB signal attenuation. However, the receivers are very sensitive and are susceptible to
crosstalk between cables.
Therefore it is important to maintain cable shield integrity through all connectors,
splitter boxes and patch panels.
Read these instructions.
Keep these instructions.
Heed all warnings.
Follow all instructions.
Do not use this apparatus near water.
Clean only with dry cloth.
Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus
(including amplifiers) that produce heat.
Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two
blades and a third grounding prong. The wide blade or the third prong is provided for your safety. If
the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete
outlet.
Protect the power cord from being walked on or pinched particularly at plugs, convenience
receptacles, and the point where they exit from the apparatus.
Only use attachments/accessories specified by the manufacturer.
Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with
the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to
avoid injury from tip-over.
Unplug this apparatus during lightning storms or when unused for long periods of time.
Refer all servicing to qualified service personnel. Servicing is required when the apparatus has
been damaged in any way, such as power-cord supply or plug is damaged, liquid has been spilled
or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture,
does not operate normally, or has been dropped.
Warning: To reduce the risk of fire or electric shock, do not expose this product to rain or moisture.
1.3.1 Safety symbols
Familiarize yourself with the safety symbols in the diagram below.
These symbols are displayed on the apparatus and warn you of the potential danger of electric
shock if the system is used improperly.
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Note: For compliance purposes see Compliance.
1.4 Methods of connection: system overview
HelixNet devices can be connected in several different ways. A combination of these methods can
be used.
1.4.1 Connecting by cable (Powerline)
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In this scenario devices are connected by cable in either a daisy chain or home run fashion. Power
and data are passed down this connection in what is known as a powerline.
See Linking Remote Stations and Speaker Stations for detail on different types of device layout
(topologies).
Up to 20 beltpacks can be connected to one Main Station, and Remote and Speaker Stations can
be included in the powerline.
However, including Remote and Speaker Stations in the powerline will affect the amount of
devices that can be connected, as Main and Remote Stations draw more power than beltpacks.
You can find the URL to an online powerline/distance calculator at the beginning of Installing
HelixNet Partyline
1.4.2 Pairing by LAN
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When pairing by LAN, devices are connected to the same network by Ethernet cable (RJ45) and
then paired from the device menus.
See Ethernet point-to-point link for more detail.
Note: Pairing by LAN offers better latency than connecting with cable.
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1.4.3 Connecting more than one Main Station (Linking)
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Up to six Main Stations can be linked. In earlier versions of HelixNet (2.0 and below) linking Main
Stations was a way of expanding the Channel capacity of your system (4 Channels on each Main
Station). In HelixNet 3.0 and later, this is no longer necessary as each Main Station already has 12
Channels, with the option of licensing another 12 (24 Channels in total). A system, regardless of
the number of linked HMS units, will have 12 Channels by default with the potential of increasing
that number to 24 with the purchase of a license for each HMS within the Link-Group.
Linking Main Stations in HelixNet has the following benefits:
l More beltpack connections (20 per Main Station)
l System distribution as far as your LAN allows.
l The ability to configure all devices from an Internet browser using the CCM (Core
Configuration Manager).
l Using a role-based setup.
l Expanding a Main Station from four keys to 24 key using the expansion key mode.
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Main Stations can be linked using different methods:
By Ethernet and RJ45 cable in your LAN. See Linking Main Stations (cabling and linking from
device menus).
By fiber cabling between units.
1.4.4 Key Expansion Groups (Main Stations and Remote Stations)
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Devices can be set up as a key Expansion Group to allow convenient control of audio from one
device, and to increase the “key” capacity so that a user can view and control more than 4 keys (up
to 24 with 5 expansion panels).
See Setting up a key Expansion Group for detail.
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1.5 System Resource
System Resource Units (up to 70)
Color Indication Units
Green ≤ 59 Within system limits
Amber 60 - 63 Approaching limits
Red ≥ 64 Exceeding limits
A HelixNet system/Link Group will support up to 64 endpoints.
Endpoints consume system resources depending on the number of audio paths the endpoint
contains and may include: user stations, assigned interface ports, program audio inputs, LQ,
Agent-IC and SIP accounts.
Exceeding the system endpoint limits will cause a sluggish system response.
1.5.1 Conserving system resource
In larger systems it is recommended to balance the loading of endpoints on the HMS-4X Main
Stations in the Link Group. LQ interface ports and LQ Agent-IC, IVC and SIP accounts load the
resources of the system's Link Master.
HRM-4X Remote Stations include multiple audio interfaces which can be assigned to the system's
channels. When assigned to channels, these use resources. The Remote Station allows you to
disable the unit's program audio input as well as to configure the stage announce output for local
use. In this way you can conserve system resources in larger systems.
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1.5.2 System resource meter
There is a resource meter on the main station device icon. This is found in the Overview page of
the CCM. Hover your mouse over this icon to see how many system resource units are in use.
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1.6 Further Information
For the latest information about HelixNet Partyline, including software updates, see:
helixnet-digital-network-partyline
For information about Clear-Com accessories, including headsets and gooseneck
microphones, see:
http://www.clearcom.com/product/headsets-accessories
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2 Panels and Interfaces
Key to Main Station/Remote Station: Front panel
Feature Description
Ear for rack mounting Main Station/Remote Station.
Headset socket (4-pin XLR–M)
Pin Function
1 Mic ground
2 Mic +
3 Earphone ground
4 Earphone
Gooseneck microphone socket (3-pin female Tuchel connector)
Mic control [MIC ON]. Press to activate mic audio.
2.1 Main Station/Remote Station: Front panel
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Key to Main Station/Remote Station: Front panel
Headset key [HSET]. Press to activate the headset mic. When the headset is
connected, the gooseneck microphone is disconnected. Audio output to the
loudspeaker is diverted to the headphones.
Menu. Press to display the Main Station menus in the display screens [ G ]. Use the
rotary control for each display screen to scroll and select menu items. See Main
Station/Remote Channel keyset
Channel keyset. There is a keyset (set of controls) addressable to any of the
available Channels. See Main Station/Remote Channel keyset
Stage Announce [SA]. Press to talk to connected Public Address (PA) / Stage
Announce (SA) system, See HMS-4X Main Station: rear panel
SA mutes any active Talk key on the station, and transmits audio from either
headset or gooseneck microphone to the SA Output port on the rear of the unit. If
the SA is assigned to a Channel, then any talker within the Channel has their audio
routed to the associated SA Port.
When the SA is pressed, Mic select [MIC ON] is also lit bright red, indicating that mic
audio is active. See Using the SA [Stage Announce] key
Master Station
LEDs for lines 1 and 2 (digital Partylines). The LEDs indicate the status of
the intercom circuit powering. When an LED is lit:
l Green, the line is functioning.
l Amber, the line is busy.
l Red, there is an error or fault on the line.
Remote Station
LEDs for line status and LAN status. The LEDs indicate the status of the
intercom circuit powering. When an LED is lit:
Green, the line is functioning.
Amber, the line is busy.
Red, there is an error or fault on the line.
If there is a fault on a powerline output, the Line STATUS indicator will turn off and
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Key to Main Station/Remote Station: Front panel
the red FAULT indicator will flash. Possible causes of a fault include overvoltage,
overcurrent, short circuit to ground or severe brown-outs.
Loudspeaker. When a headset is connected [ B ] and selected [ E ], loudspeaker
output is diverted to the headphones.
Program feed audio level rotary control [Program].
l To increase the volume of the program feed to the loudspeaker /
headphones, turn clockwise (up to 360°).
l To decrease the volume, turn anticlockwise (up to 360°). As you increase or
decrease the volume, the level control LEDs pass through a range of
indicator colors:
LED color Volume level
Green Low
Amber / Green Low / Medium
Amber Medium
Red / Amber Medium / High
Red High
l To mute or unmute the program audio, push the rotary control.
Upper and lower volume limits can be set in the HMS Role settings in the CCM
under Roles > Main Station (HMS) > select role > Station > Program
Volume Limits.
Loudspeaker / Headphone audio level rotary control [Main]. To increase the
volume to the loudspeaker / headphones, turn clockwise (up to 360°). To decrease
the volume, turn anticlockwise (up to 360°). Push to mute or unmute.
As you increase or decrease the volume, the level control LEDs pass through a
range of indicator colors.
Upper and lower volume limits can be set in the HMS Role settings in the CCM
under Roles > Main Station (HMS) > select role > Station > Main Volume
Limits.
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Key to Main Station/Remote Station: Front panel
Main Station:
Remote Mic Kill [RMK]. Press to:
l Unlatch all latched talk keys for either all displayed Channels or all Channels
within the system (configurable within the Role)
Remote Station:
Option [OPT] – Can be configured as an RMK button, see Using the RMK
[Remote Mic Kill] key.
All Talk. Press to talk to all Channels (intercom devices and systems) connected to
the Main Station.
USB 2.0 (Micro-AB) connector
Note: This connector is not present on the Remote Station.
USB 2.0 (Standard-A) connector.
Note: The Main Station/Remote Station does not have a power switch, button or key. The
system powers up when you connect the power supply. Power up time depends on the
amount of equipment connected.
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2.2 Main Station/Remote Channel Keyset and Display
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Key to Main Station/Remote Station front panel: Channel keyset
Feature Description
Display screen.
There are multiple screensaver options. If the Rotary controls are touched, this
screen also displays the sound level on the Channel (controlled by the rotary) and
the system information icons. See the next table for an explanation of system
information icons.
In Menu mode, the display screens display the four levels of menu. The menu
hierarchy proceeds left to right:
l The top level menu is presented in the first screen (furthest left on the front
panel).
l The lowest level menu is presented in the fourth screen (furthest right on the
front panel).
If the display is in Menu mode, the display screen times out of Menu mode and
displays the Channel label if no key is pressed for 20 seconds.
For more information about Menu mode, see Using the Menus
Rotary control. Turn to increase or decrease the listen volume level for the
Channel. Also, push the control to mute or unmute audio level. In Menu mode, use
the control to scroll menu items. To select menu items, press the control.
Talk key. Press to talk on the Channel and to all nodes (intercom devices and
systems) listening into the Channel.
Call key. Press to send a call signal to all nodes (intercom devices and systems)
listening into the Channel.
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Note:
If the Main Station/Remote Station remains inactive for 10 minutes, the display screens
enter screensaver mode, see Setting the screensaver
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Main Station/Remote Station display icons and indicators
Name Icon Description
Channel label A descriptive name for the Channel. The maximum length
is 10 characters.
Channel listen
volume level
The volume of the Channel audio.
Link with
another HMS
Appears on the Main Station when linking is enabled.
Not linked Appears on the Main Station when a connection to
another Main Station is lost.
Paired Appears on the Remote Station and Speaker Station
when it is connected properly over LAN.
Not paired Flashes on the Remote Station and Speaker Station when
the connection is not configured properly.
Signal strength Appears on the Remote Station, Speaker Station and
beltpack. One to five bars indicate the strength of the
signal from the Main Station.
Locked Locked Appears on the beltpack when you try to access the menu
while the menu has been locked at the Main Station.
Mute Appears on the Main Station, Remote Station and
Speaker Station when the rotary control for any Channel
on the Main/Remote Station is pressed.
Opto (GPI) Appears on the Main Station and Remote Station close to
the Call or Talk button if it is associated with an Opto.
Relay
(GPO)/Logic
Output Option
Appears on the Main Station and Remote Station close to
the Call or Talk button if it is associated with a Relay (Logic
Output Option).
Program PGM Appears on the Main Station, Remote Station, Speaker
Station and beltpack when a program input is assigned to
a Channel.
IFB IFB Appears on the Main Station, Remote Station, Speaker
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Main Station/Remote Station display icons and indicators
Station and beltpack when a program input is assigned to
a Channel and IFB is enabled.
2W/4W 2W/4W Appears on the Main Station, Remote Station and
Speaker Station when a 2W/4W input is assigned to a
Channel.
Limiter LIM Appears on the Main Station, Remote Station, Speaker
Station and beltpack when the headset limiter is enabled.
Expansion Appears on the Main Station and Remote Station when
the device is part of an Expansion Group.
Warning Appears on the Main Station, Remote Station, Speaker
Station and beltpack when something is wrong. Warning
messages can be accessed in the Diagnostic menu.
Key to Main Station: rear panel
Feature Description
Power supply with metal cable clip. The power supply operates at 100 - 240
VAC / 50-60Hz / 250 watts / T 3.15A H 250 V.
Control I/O (25 way female D-type). Use to connect up to 4 relay control outputs
and 4 optically isolated control inputs, see Configuring the Control I/O)
2.3 HMS-4X Main Station: Rear Panel
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Key to Main Station: rear panel
Pin Function Pin Function
Pin 1 Relay 1 NC Pin 14 Relay 1 Pole
Pin 2 Relay 1-NO Pin 15 Relay 2 NC
Pin 3 Relay2-Pole Pin 16 Relay 2-NO
Pin 4 Relay 3 NC Pin 17 Relay 3 Pole
Pin 5 Relay 3-NO Pin 18 Relay 4 NC
Pin 6 Relay4-Pole Pin 19 Relay 4-NO
Pin 7 Pin 20 +5V
Pin 8 GND Pin 21 +5V
Pin 9 GND Pin 22 Opto 1-
Pin 10 Opto 1+ Pin 23 Opto 2-
Pin 11 Opto 2+ Pin 24 Opto 3-
Pin 12 Opto 3+ Pin 25 Opto 4-
Pin 13 Opto 4+
Hot Mic output. This connection is a 1/4-in (0.64 cm) phone jack. It provides an
output signal from the selected headset or panel microphone. The Hot Mic output is
always live. Audio from the mic is routed through the Hot Mic output even if the mic
is inactive (off).
Pin Function
Tip Mic
Ring IFB mute signal
Sleeve Ground
SA [Stage Announce] line out (3-pin male XLR).
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Key to Main Station: rear panel
Pin Function
Pin 1 Ground
Pin 2 Positive
Pin 3 Negative
Program Input (3-pin female XLR).
Pin Function
Pin 1 Ground
Pin 2 Positive
Pin 3 Negative
Line 1 (digital Partyline). (3-pin male and female XLR connectors).
Pin Function
Pin 1 Ground
Pin 2 +30V DC and Audio
Pin 3 -30V DC and Audio
Line 2 (digital Partyline). (3-pin male and female XLR connectors).
Pin Function
Pin 1 Ground
Pin 2 +30V DC and Audio
Pin 3 -30V DC and Audio
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Key to Main Station: rear panel
Slots for optional interface modules.
H – Slot 1
I – Slot 2
J – Slot 3
For more information, see HMS-4X Main Station rear panel: Interface modules
Warning: Only connect power supply to earthed supply sockets. Ensure that the power supply is
routed to avoid sharp bends, hot surfaces, pinches and abrasion.
For more safety guidance, see the Safety Instructions at the front of this guide.
Note: The HMS-4X Main Station does not have a power switch, button or key. The system
powers up when you connect the power supply.
2.3.1 HMS-4X Main Station Rear Panel: Interface Modules
Up to three Interface modules (of the same or different types) can be fitted to the extension bay of
the Main Station. When looking at the rear of the Main Station, expansion slot 1 is the left-hand
slot, expansion slot 2 is the middle slot, and expansion slot 3 is the right-hand slot.
Warning: The interface modules are NOT hot pluggable. Ensure that the Main Station is powered
down before inserting or removing modules.
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Interface module Description
Two-wire interface
module (HLI-2W2)
This is a two Channel, 2-wire device that enables interoperability
with, CellCom®/ FreeSpeak®, and HME DX systems, as well as
both Clear-Com and RTS analog Partyline systems.
Note: This module requires a powered analog Partyline.
The module provides two analog Partyline connectors (3 pin female
XLR connectors) with the following pin out:
Pin Function
1 Ground
2 Power [Option for RTS mode: power and audio]
3 Audio
Use HelixNet Main Station menus to set the module for either RTS or
Clear-Com systems. If RTS mode is selected, you can set either:
l Pin 2 for power to mixed audio Channel (1 – 24)
l Pin 3 for power to mixed audio Channel (1 – 24)
l Select either pin and assign required Channel to it.
Four-wire interface
module (HLI-4W2)
This is a two Channel, 4-wire device that enables interoperability with
the Eclipse®digital matrix system and other four-wire audio sources
such as telephone hybrids, AB-120/-100, PA (Public Address) / SA
(Stage Announce) systems. The module also enables HelixNet-to-
HelixNet connections using four-wire audio ports. Two four-wire
connectors (etherCON type RJ45 socket) are provided with the
following pin out:
Pin Function
1 RS-422 data TX+
2 RS-422 data TX-
3 Audio send +
4 Audio receive +
5 Audio receive -
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Interface module Description
Pin Function
6 Audio send -
7 RS-422 data RX+
8 RS-422 data RX-
Ethernet interface
module (HLI-ET2)
Enables linking of Main Stations, and connection of Remote Stations,
Speaker Stations and the HXII-BP beltpack via LAN. Contains Two
10/100 Mbps RJ45 etherCON ports.
An LED on the right-hand side above the connector flashes green
when there is network activity.
Pin Name Function
1 TX+ Transmit Data+
2 TX- Transmit Data-
3 RX+ Receive Data+
4 n/c Not connected
5 n/c Not connected
6 RX- Receive Data-
7 n/c Not connected
8 n/c Not connected
Warning: Both ports are configured to bridge traffic
from one port to the other in order to work in a daisy-
chained configuration. Spanning Tree Protocol is not
enabled on these ports, therefore do not connect them
both to the same network.
Fiber interface module
(HLI-FBS)
Enables linking of Main Stations. Contains two SFP cage slots. The
module is supplied with one transceiver fitted.
Any 100BASE-X SFP can be connected.
An LED at the side of each connector flashes green when there is
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Interface module Description
network activity.
Warning: Both ports are configured to bridge traffic
from one port to the other in order to work in a daisy-
chained configuration. Spanning Tree Protocol is not
enabled on these ports, therefore do not connect them
both to the same network.
2.4 Remote Station rear panel
Key to Remote Station: rear panel
Feature Description
PSU holder for a separate external AC-DC power supply. The external
PSU provides the 48V required and at its input takes 100-240V, 50-60Hz.
Power supply. The power input connector is a low voltage DC connection. It is
48VDC at a max power of 12.95W.
Line 1 (digital Partyline). (3-pin male and female XLR connectors).
Pin Function
Pin 1 Ground
Pin 2 +30V DC and Audio
Pin 3 -30V DC and Audio
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Key to Remote Station: rear panel
Ethernet/Power Over Ethernet (RJ45 connector)
An LED on the left-hand side of the connector illuminates when the link is working.
An LED on the right-hand side of the connector flashes green when there is
network activity.
Pin Name Function
1 TX+ Transmit Data+
2 TX- Transmit Data-
3 RX+ Receive Data+
4 n/c Not connected
5 n/c Not connected
6 RX- Receive Data-
7 n/c Not connected
8 n/c Not connected
When connected over PoE, the Remote Station draws 13 Watts from the PoE
switch.
Control input/output (DB9 connector)
Pin Function
Pin 1 Audio out +
Pin 2 Audio in +
Pin 3 GND
Pin 4 Relay NC
Pin 5 Relay NO
Pin 6 Audio out -
Pin 7 Audio in -
Pin 8 Opto
Pin 9 Relay pole
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Key to Remote Station: rear panel
The audio connections in this connector are wired directly to the SA and program
connectors. Only one or the other can be used at one time.
SA [Stage Announce] line out (3-pin female XLR).
Pin Function
Pin 1 Ground
Pin 2 Positive
Pin 3 Negative
Program Input (3-pin m XLR).
Pin Function
Pin 1 Ground
Pin 2 Positive
Pin 3 Negative
Hot Mic output. This connection is a 1/4-in (0.64 cm) phone jack. It provides an
output signal from the selected headset or panel microphone. The Hot Mic output is
always live. Audio from the mic is routed through the Hot Mic output even if the mic
is inactive (off).
Pin Function
Tip Mic
Ring IFB mute signal
Sleeve Ground
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2.5 Speaker Station
Key to Speaker Station front panel
Feature Description
Tilt adjustable display screen. The following default information is displayed:
l The Channel label.
l The Channel listen (volume) level.
For a full description of the display screen information, see (link…)
In Menu mode, the display screens display the two levels of menu. The menu
hierarchy proceeds left to right:
l The top level menu is presented in the first screen (furthest left on the front
panel).
l The lower level menu is presented in the second screen.
If the display is in Menu mode, the display screen times out of Menu mode and
displays the Channel label if no key is pressed for 20 seconds.
For more information about Menu mode, see Using the Menus
Rotary control. Turn to increase or decrease the listen volume level for the
Channel. Also, push the control to mute or unmute audio level. In Menu mode, use
the control to scroll menu items. To select menu items, press the control.
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Key to Speaker Station front panel
Talk key. Press to talk on the Channel and to all nodes (intercom devices and
systems) listening into the Channel.
Loudspeaker / Headphone audio level rotary control [Main]. To increase the
volume to the loudspeaker / headphones, turn clockwise (up to 360°). To decrease
the volume, turn counter clockwise (up to 360°). As you increase or decrease the
volume, the level control LEDs pass through a range of indicator colors. For more
information, see (link…)
Program feed audio level Trim Pot control [PGM]. To increase the volume of
the program feed to the loudspeaker / headphones, turn clockwise (up to 360°).
To decrease the volume, turn counter clockwise (up to 360°).
To mute or unmue the Channel audio, push the control.
Call key. Press to send a call signal to all Keysets assigned to the same Channel.
There are two Call keys on the beltpack, one for each of the displayed Channels.
Headset socket (4-pin XLR–M)
Pin Function
1 Mic ground
2 Mic positive
3 Earphone ground
4 Earphone positive
Headset/microphone key set. There is a keyset (set of controls) to control
the headset/microphone inputs and menu options. See (link…)
Gooseneck microphone connector (3-pin female Tuchel connector)
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2.5.1 Speaker Station Front Panel Function Buttons
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Key to Speaker Station front panel function buttons
Feature Description
Mic control [MIC ON]. Press to activate mic audio.
Shift key. Press to display two alternative Channels on the Speaker Station
displays.
Menu. Press to display the Speaker Station menus in the display screens. Use the
rotary control for each display screen to scroll and select menu items.
Headset key [HSET]. Press to activate the headset mic. When the headset
is connected, the gooseneck microphone is disconnected. Audio output
to the loudspeaker is diverted to the headphones.
2.5.2 Speaker Station Rear Panel
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Speaker Station rear connectors
Digital Intercom
1 Not connected
2 -30V DC
3 Not connected
4 +30V DC
5 Ground
Power
1 Ground
2 48V DC
For power draw, see the Specifications section in this manual.
2.5.3 S-Mount Rear Panel
The S-Mount is an optional unit that allows you to mount the Speaker Station on a desk or wall.
Note: There are cables pre-installed in the S-Mount that connect to the Speaker Station
terminals.
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Key to S-Mount rear panel keyset
Feature Description
Ethernet/Power over Ethernet connection (RJ45).
Pin Name Function
1 TX+ Transmit Data+
2 TX- Transmit Data-
3 RX+ Receive Data+
4 n/c Not connected
5 n/c Not connected
6 RX- Receive Data-
7 n/c Not connected
8 n/c Not connected
Power connection.
The power input connector is a low voltage DC connection. It is 48VDC at a max
power of 12.95W.
Line 1 Digital Partyline. (3-pin male XLR connector).
Pin Function
Pin 1 Ground
Pin 2 +30V DC and Audio
Pin 3 -30V DC and Audio
Table 1-26 Line 1 pinout
Line 2 Digital Partyline. (3-pin female XLR connector).
Pin Function
Pin 1 Ground
Pin 2 +30V DC and Audio
Pin 3 -30V DC and Audio
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2.6 HBP-2X Beltpack
Key to HBP-2X user controls (front and side view)
Feature Description
Menu key. Press firmly to enter Menu mode (see also D,E ). To exit Menu mode,
press the Menu key again.
The display screen times out of Menu mode and displays the Channel label(s) if no
key is pressed for 20 seconds.
USB 2.0 (Micro-AB) connector. Used for the USB light flasher feature. See Call
a beltpack using the USB flasher feature
For information about the HXII-BP-X4 Beltpack, see HXII-BP-X4 Beltpack
2.6.1 HBP-2X User Controls (Front and Side View)
HelixNet | User Guide
Note: The beltpack has two Keysets, each containing one Call button (E) and one Talk button
(F).
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Key to HBP-2X user controls (front and side view)
Casing. Metal casing for robust use. For information about the beltclip, beltloops,
and feet, see HBP-2X beltclip, beltloops and feet
Keyset
Rotary control. Turn to increase and decrease the listen volume level for the
Channel.
In Menu mode, you can turn either of the side-mounted rotary controls to scroll
menu items. To select (enter) items, press the right-hand Call key (see E ).
Call key. Press to send a call signal to all Keysets assigned to the same Channel.
There are two Call keys on the beltpack, one for each of the supported Channels.
In Menu mode, press the right-hand Call key to select (enter) menu items (see also
A, D ). Use the left-hand Call key to go back one menu level.
Talk key. Press to talk to all nodes (intercom devices and systems) listening into
the Channel. There are two Talk keys on the beltpack, one for each of the
supported Channels.
Display screen. When the beltpack is not in Menu mode, the labels and volume
level for each of the two Channels supported by the beltpack are displayed on
screen. For a full description of the display screen information, see Main Station
Remote.
Note: The beltpack has two Keysets, each containing one Call button (E) and one
Talk button (F).
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2.6.2 HBP-2X Connectors and Controls (Rear View)
Key to HBP-2X Beltpack (Rear view)
Feature Description
Line (Digital Partyline) (3-pin female XLR connector).
Pin Function
1 Ground
2 +30V DC and Audio
3 -30V DC and Audio
Line (Digital Partyline) (3-pin male XLR connector). Pass-through for daisy
chain connection, see diagram in Topologies.
Pin Function
1 Ground
2 +30V DC and Audio
3 -30V DC and Audio
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Key to HBP-2X Beltpack (Rear view)
Program feed (volume) control wheel. Turn to increase or decrease the overall
listen volume level of the program feed. To assign programs to a Channel, see
Assigning the Program Listen to a Channel and Editing the Program Input.
2.5 mm TRS headset input.
Function
Tip Earphone Positive
Ring Mic Positive
Sleeve Ground
Headset connector (4-pin male or 5-pin female XLR connector).
Pin Function
1 Mic ground
2 Mic positive
3 Earphone ground
4 Earphone positive
Pin Function
1 Mic ground
2 Mic positive
3 Earphone ground
4 Earphone left
5 Earphone right
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2.6.3 HBP-2X Beltclip, Beltloops and Feet (Base View)
Key to HBP-2X Beltpack (Base view)
Feature Description
Beltclip. The beltclip is secured to the unit with three screws, and may be
removed, according to your requirements.
Feet (positions only). The beltpack can also be placed on a level surface (once
the beltclip has been removed). To give the beltpack more grip on the surface,
attach the four rubber feet supplied with the beltpack.
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Key to HBP-2X Beltpack (Base view)
Beltloops (one either side). Use to thread through a belt or strap for securing
the beltpack to a belt or a fixed position.
2.7 HXII-BP-X4 Beltpack
For information about the HBP-2X Beltpack, see HBP-2X Beltpack.
2.7.1 HXII-BP-X4 Beltpack User Controls (Top View)
HelixNet | User Guide
Note: The beltpack has two Keysets, each containing one Call button (C and D) and one
Talk button (A and B).
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Key to HXII-BP-X4 user controls (top view)
Feature Description
Talk keys. Press to talk to all nodes (intercom devices and systems) listening into
the Channel. There are two Talk keys on the beltpack, one for each of the
supported Channels.
Call keys. Press to send a call signal to all Keysets assigned to the same Channel.
There are two Call keys on the beltpack, one for each of the supported Channels.
In Menu mode, press the right-hand Call key to select (enter) menu items. Use the
left-hand Call key to go back one menu level.
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2.7.2 HXII-BP-X4 Beltpack Connectors and Controls (Front View)
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Key to HXII-BP-X4 user controls (front view)
Feature Description
Channel volume control. Turn to increase and decrease the listen volume level
for the Channel.
In Menu mode, you can turn either of the side-mounted rotary controls to scroll
menu items. To select (enter) items, press the right-hand Call key.
In Menu mode, you can turn either of the side-mounted rotary controls to scroll
menu items. To select (enter) items, press the right-hand Call key.
These controls also adjust binaural audio volume in beltpacks with 5-pin headset
connectors.
Menu key. Press firmly to enter Menu mode. To exit Menu mode, press the
Menu key again.
The display screen times out of Menu mode and displays the Channel label(s) if
no key is pressed for 20 seconds.
Program feed volume controls. Use the up and down arrow buttons to
increase or decrease the overall listen volume level of the program feed. To
assign programs to a Channel, see Assigning the Program Listen to a Channel
and Editing the Program Input
OPT Programmable function key. This button selects the binaural audio
volume adjustment screen on beltpacks with a 5-pin headset connector.
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2.7.3 HXII-BP-X4 Beltpack (Base View)
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Key to HXII-BP-X4 user controls (base view)
Feature Description
Line (Digital Partyline) (3-pin female XLR connector).
Pin Function
1 Ground
2 +30V DC and Audio
3 -30V DC and Audio
etherCon connector. Used for Power over Ethernet (PoE).
Pin Name Function
1 TX+ Transmit Data+
2 TX- Transmit Data-
3 RX+ Receive Data+
4 n/c Not connected
5 n/c Not connected
6 RX- Receive Data-
7 n/c Not connected
8 n/c Not connected
When using PoE, the beltpack draws 4 Watts from the PoW switch.
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HelixNet | User Guide
Key to HXII-BP-X4 user controls (base view)
USB 2.0 (Micro-AB) connector. Used for the USB light flasher feature. See
Call a beltpack using the USB flasher feature
Headset connector (4-pin male or 5-pin female XLR connector).
Pin Function
1 Mic ground
2 Mic positive
3 Earphone ground
4 Earphone positive
Pin Function
1 Mic ground
2 Mic positive
3 Earphone ground
4 Earphone left
5 Earphone right
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2.7.4 HXII-BP-X4 Beltpack (Beltloops and Clip)
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Key to HXII-BP-X4 beltloops and clip
Feature Description
Beltloops. Use to thread through a belt or strap for securing the beltpack to a belt
or a fixed position. You can also extend the beltloops to allow you to mount the
beltpack on a flat surface.
Beltclip. Use to fasten to a belt or similar structurer. The beltclip also has three
holes for wall mounting.
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3 Installing HelixNet Partyline
This section describes how to install your HelixNet Partyline system. It also provides basic
guidance on planning your installation.
For related information, see Cabling reference and the Online Powerline cable distance calculator
at:
https://clearcom.com/DownloadCenter/technicaldocs/HelixNetCablingCalculator/index.html#/
Tip: For guidance on connecting HelixNet Partyline to other systems, using the optional interface
modules, see Connecting to Other Intercom Systems.
Do not plug any non-approved equipment into HelixNet Partyline.
HelixNet Partyline operates at different voltage levels than analog two-wire Partyline systems.
Do not plug any analog two-wire Partyline equipment into the HelixNet Partyline ports, as this
may cause damage.
For more safety instructions, see Important Safety Instructions
HelixNet | User Guide
3.1 Planning your HelixNet Partyline installation
3.1.1 Comparing digital with analog cabling
Note: The program is always a participant within a Channel and cannot exist outside of a Channel.
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Key to analog and digital cabling comparison diagram
Feature Description
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Key to analog and digital cabling comparison diagram
Example 4-Channel analog Main Station (MS-704 shown).
HMS-4X Main Station (digital Main Station).
Partyline Channel 1
Partyline Channel 2
Partyline Channel 3
HelixNet | User Guide
Partyline Channel 4
Program Feed
Note: The program is always a participant within a Channel and cannot exist outside
of a Channel.
In a traditional analog Partyline system, one cable is dedicated to each Partyline
Channel. This can make it more difficult to build redundancy or spare capacity into the
installation (owing to the number of connectors / cables dedicated to the delivery of
Channels).
In the HelixNet system, one cable can carry multiple Channels. Because one cable
can carry all Channels, the second connector for each line can either be used for
redundancy (flybacks) or for future extensions / changes to the cabling topology
(layout).
Example analog Partyline devices including RS-701 beltpacks. Analog beltpacks must
be re-cabled to use alternative Channels, requiring the physical re-location of cabling
for new configurations.
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To aid switching, Clear-Com sells additional switching equipment (the SB-704 and
RCS-2700 devices). The RS-702 (6-pin XLR) beltpack requires the YC-36 splitter /
combiner to combine 2 Channels into a 6-pin configuration, and multi-conductor
cables.
The RS-703 (3-pin XLR) beltpack requires a TWC-701 device to combine 2 Clear-
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Key to analog and digital cabling comparison diagram
Com Channels in a single twisted pair.
Example digital Partyline devices including beltpacks. Digital beltpacks can support
any of the Partyline Channels (plus Program Feed) whenever they are physically
located on the system.
New configurations of beltpacks and Channels can be deployed without the physical
relocation of assets.
Note: The capabilities of different cable types may impact how far away beltpacks can be
placed from the Main Station, and the topologies you use. For more information about
cabling, see Cabling reference.
3.1.2 Topologies
HelixNet Partyline can be deployed using a wide range of topologies, both complex and
straightforward. The following table describes three standard types of topology:
HelixNet | User Guide
Topology Description
Daisy-
chain
Star In a star topology, the Main Station is connected to a passive (Y) splitter such as an
Tree A tree topology is a more complex version of the star topology, using serially
In a daisy-chain topology, the Main Station is connected to the first unit. The units are
then connected in a series, using the pass-through connector on the back / rear of the
device to pass on the connection. No termination is required. HXII-BP-X4 beltpacks
require a passive Y splitter for daisy chaining.
Daisy-chains can be either linear or loop back to the Main Station to form a ring for
redundancy.
XLR Bulkhead or Mult-box. The units are then connected to the splitter point-to-point.
connected passive ( Y ) splitters. The units are connected to each splitter point-to-
point (forming a branch of the tree).
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Key to example system topologies (layouts) diagram
Feature Description
HMS-4X Main Station (digital Main Station) (rear panel).
There are two lines (digital Partylines) on the Main Station, each of which can support
up to 10 digital beltpacks. There are two connectors (3-pin XLR, male and female) for
each line.
Daisy chained beltpacks. To create a ‘daisy chain’ of connected beltpacks:
Connect the first beltpack to the Main Station, using either of the 3-pin XLR
connectors (female or male) on the base of the beltpack.
Pass on the connection to the second beltpack, using the remaining connector as the
pass through.
Repeat for all beltpacks (up to 10) in the chain. No cable termination is required.
Note: For the HXII-BP-X4 beltpacks, you must use a passive Y splitter.
You can locally power an HRM or HKB within a daisy chain. This prevents the normal
draw off the powerline by the locally powered device.
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Key to example system topologies (layouts) diagram
The second layout uses an XLR Bulkhead and a Mult-box (passive (Y) splitters) to
combine:
A daisy chain (with optional redundancy flyback).
Point-to-point connected beltpacks (using the Mult-box).
The XLR Bulkhead and splitters should be screened.
The complexity and variety of layouts does not restrict physical access to Channels.
Because HelixNet Partyline is a digital system, the HelixNet Stations can access any
of the available Channels (plus a Program Feed), however they are connected to the
Main Station, see diagram in Comparing digital with analog cabling.
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3.2 Installing the Main Station/Remote Station
The Main Station/Remote Station is a 19” 1RU-height device that you can install to either:
A standard 19” rack.
A shelf, cabinet or other flat surface.
3.2.1 Main Station Power Up
There is no power switch, button or key on the Main Station. To power up the unit:
1. Connect the power cord to the power supply connector on the Main Station.
Note: The Main Station has a cable retaining clip to secure the power cord. The
retaining clip is detached for shipping and must be refitted.
Note: For the location of the power supply connector, see A in HMS-4X Main
Station: Rear Panel on page 23
HelixNet | User Guide
2. Connect the power cord to the power source. The unit requires an input voltage between 100
- 240 VAC / 50-60Hz/ 250 watts / T 3.15A H 250 V.
Only connect power supply to earthed supply sockets. Ensure that the power supply
is routed to avoid sharp bends, hot surfaces, pinches and abrasion.
For safety guidance, see the Safety Instructions at the front of this guide.
3.2.2 Remote Station Power Up
The Remote Station is powered by an external power source. This can be:
An external power supply (supplied)
Power over Ethernet (PoE)
Note: To use PoE, you must connect a third-party PoE switch between the Remote Station
and the Main Station.
From the Main Station digital power line.
3.3 Installing the Speaker Station
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The Speaker Station can be installed either:
l Mounted in an S-Mount bracket for desktop use
l Mounted in an S-Mount bracket for installation on a wall
l Mounted inside a NEMA standard 4-gang wall box.
Note: The S-Mount bracket is an optional item ordered separately.
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3.3.1 Speaker Station in an S-Mount Bracket
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You can adjust the S-Mount bracket by pressing one of the release buttons on either side of the
bracket. You can adjust the bracket in 10-degree steps from 80 degrees to horizontal. Indicators
are present beside the release buttons that show the adjustment steps.
To install the Speaker Station (already fitted inside the S-Mount):
1. Connect a powerline XLR-3 port on the Speaker Station to a powerline XLR-3 port on a Main
Station.
Or
Connect via Ethernet on the Speaker Station to an IP network which the HMS-4X
(HLI-ET2) is also connected to.
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2. Connect a headset or microphone to the Speaker Station.
3. Connect power supply to the DC power port on the Speaker Station. (Not necessary if using
Powerline or PoE.)
3.3.2 Speaker Station in an S-Mount Bracket Wall Installation
When the Speaker Station is fully closed, you can mount it on a wall using the rear keyholes:
1. Space the wall screws to match the distance between the rear keyholes. See the diagram
below.
2. If necessary, remove the Speaker Station from the S-Mount bracket.
3. Hang the S-Mount bracket on the wall screws.
4. Tighten the wall screws.
5. Install the Speaker Station.
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3.3.3 Speaker Station Mounted Inside a NEMA Standard 4-Gang Wall Box
To connect the Speaker Station:
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1. Connect the Digital Intercom screw terminals on the Speaker Station to a powerline XLR-3
port on an HMS-4X.
Or
Connect the Ethernet port on the Speaker Station to either the IP network in which
the HMS resides or directly to one of the Ethernet ports on the HMS.
2. Connect a headset or microphone to the Speaker Station.
3. If required, remove the connector from the optional power supply and connect the power
supply to the Power screw terminals on the Speaker Station.
3.4 Installing the HBP-2X Beltpacks
The HBP-2X Beltpack is a device that you can:
l Wear at your belt using the beltclip.
HelixNet | User Guide
l Install to a shelf or other flat surface.
l Attach to a pole or other fixed upright position.
For more information, see HBP-2X beltclip, beltloops and feet (base view).
3.4.1 Power Up
The HBP-2X Beltpack is powered from the standard mic cable that connects the device with the
HMS-4X Main Station (see below).
3.4.2 Connecting the HBP-2X Beltpack to the Main Station
To connect the HBP-2X Beltpack to the Main Station:
1. There are two powerline connections on the Main Station which can each support up to 10
digital HBP-2X Beltpacks. There are two connectors (3-pin XLR, male and female) for each
line.
Connect the cable to the selected connector on the Main Station.
Note: For the location of Lines 1 and 2 (the powerlines) on the Main Station, see F & G in
diagram in HMS-4X Main Station: rear panel.
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2. Connect the cable to the beltpack, using one of the two 3-pin XLR connectors (male and
female) on the base / rear of the beltpack.
For examples of topologies see Topologies.
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3.5 Installing the HXII-BP-X4 Beltpacks
The HXII-BP-X4 Beltpack is a device that you can:
Wear at your belt using the beltclip.
Install to a shelf or other flat surface.
Mount on a table or other flat surface.
For more information, see HXII-BP-X4 Beltpack (beltloops and clip).
3.5.1 Power Up
The HXII-BP-X4 Beltpack is powered from:
The standard microphone cable that connects the device with the HMS-4X Main Station (see
below).
Power over Ethernet (PoE) using a cat5, 5e or 6 cable.
Notes: To use PoE, you must connect a third-party PoE switch between the Main Station and
the HXII-BP-X4 Beltpack.
HelixNet | User Guide
You can power the HXII-BP-X4 over both microphone cable and PoE. In this case, the
PoE takes priority. After the beltpack boots up, you cannot switch between PoE and
powerline (microphone cable) mode.
3.5.2 Connecting the HXII-BP-X4 Beltpack over Powerline to the Main Station
To connect the HXII-BP-X4 Beltpack to the Main Station:
1. There are two powerline connections on the Main Station which can each support up to 10
digital HXII-BP-X4 Beltpacks. There are two connectors (3-pin XLR, male and female) for
each line.
Connect the cable to the selected connector on the Main Station.
Note: For the location of Lines 1 and 2 (the powerlines) on the Main Station, see F,
G in diagram in (HMS-4X Main Station: rear panel.
2. Connect the cable to the beltpack, using the 3-pin XLR connector on the base / rear of the
beltpack.
For examples of topologies, see Topologies
3.5.3 Powering the HXII-BP-X4 using PoE
To connect the HXII-BP-X4 to the Main Station for PoE:
1. Connect the Main Station to a network switch using the HLI-ET2 Ethernet interface module.
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2. Connect the HXII-BP-X4 Beltpack to the PoE switch on the same network as the Main
Station.
Note: The beltpack must be paired to the Main Station.
Important: When using an IEEE-802.3af compliant PoE switch, be sure to note the
switch's power budget. Each HXII-BP-X4 requires 4 Watts of power. Do not exceed
the power budget of the switch when attaching HXII-BP-X4 beltpacks.
3.6 HelixNet Infrastructure
This section contains guidelines for using HelixNet infrastructure components including cables,
connectors, splitter boxes and patch panels. HelixNet digital Partyline uses cable infrastructure to
transport audio and data over a range of frequencies. The maximum frequency used for
transmission is approximately 25MHz. Depending on the amount of audio and data transmitted,
HelixNet digital Partyline can work with as much as 90dB signal attenuation. However, the
receivers are very sensitive and are susceptible to crosstalk between cables.
HelixNet | User Guide
Therefore it is important to maintain cable shield integrity through all connectors,
splitter boxes and patch panels.
The symptoms of crosstalk are:
l Main Station front panel LINE LED indicator turns amber or red
l Beltpacks, Remote Stations and Speaker Stations take longer than usual to boot and
connect.
l Beltpack, Remote Station and Speaker Station front panel signal strength indicators show
lower than usual signal strength (zero or one bar).
l Main Station diagnostics screen (Diagnostics->Powerlines) indicates collisions or errors
on the line.
3.6.1 Cables and Connectors
Clear-Com recommends the following shielded cables:
Microphone cables
Belden 9207 and 9463F with the two main conductors connected to XLR pin 2 and 3 and the drain
wire to pin 1.
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Cat cables
Belden 1351A or 1533P with the following connections at the XLR connector:
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HelixNet | User Guide
Cat5/5e/6 XLR
White/Orange 1
Orange 1
White/Green 3
Blue 2
White/Blue 3
Green 2
White/Brown 3
Brown 2
Shield/Drain 1
It is important to connect the cable shield or drain wire to the XLR pin 1 to maintain the
shield integrity throughout the cable and connector.
Note: The total amount of cable deployed for a digital intercom line contributes to the total
capacitance of the line, even though some cables might not have a beltpack connected at
the other end. The more capacitance there is, the more attenuation there will be. Clear-
Com recommends that you use the minimum amount of cable. For example, daisy-chain
or split a cable at the far end, close to the beltpacks, rather than make two home runs to a
central patch panel.
3.6.2 Patch Panels
Clear-Com recommends XLR patch panels. These should be made of 3 pin XLR feed-through
adapters (for example, Neutrik NA3MDF) that maintain shield integrity from the back to the front.
These adapters also enable easier rewiring of the back or the front of the panel.
3.6.3 Splitter Boxes
Ensure that you split the digital intercom lines within a shielded enclosure. For example, a 1RU
shielded chassis, such as Middle Atlantic CH1, and daisy-chained XLR connectors (for example,
Neutrik NC3MD or NC3FD).
To prevent crosstalk between lines, ensure that each shielded splitter box contains only one digital
intercom line. If you have to split more than one digital intercom line, use multiple shielded
enclosures.
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For more information on cabling see Cable connections.
3.7 Converting Analogue Partylines to HelixNet
HelixNet | User Guide
Many Partyline installations use daisy-chained power terminal blocks to passively split analog
Partylines. This way of splitting works relatively well for one HelixNet Main Station. But because
the cable shielding through those blocks is not maintained, it makes the communication much
more sensitive to interference.
Also, crosstalk occurs if two or more Main Stations use terminal blocks that are close to each
other.
To maintain shield integrity, Clear-Com recommends that you:
Place existing terminal blocks in shielded and grounded enclosures
Or
Replace the terminal blocks with shielded and grounded XLR splitter boxes and XLR patch
panels.
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4 IP Network Structure
Connecting into an existing IP network requires planning with your IT department in order to plan
the IP addressing scheme. By default, HelixNet Main Station uses automatic IP addressing
(DHCP) enabled. In order for that to work properly in an existing IP network there must be a
DHCP server handing out IP addresses. If no DHCP server is found, a Main Station will revert to
an unused link-local address in the 169.254.0.0/16 block. (See Link Local Environments for more
information).
Through the Networking menu on the devices, you can disable DHCP and set static IP addresses.
For HelixNet 3.0 and above, it is not necessary for Main Stations or Remote Stations to be on the
same Subnet, the devices will link across your LAN.
HelixNet | User Guide
4.1 Multiple Groups in the Same IP Network
You can link six Main Stations together to form a Link Group. You must select one of the Main
Stations to be a Link Master. You can have multiple groups in the same network by having multiple
Link-Masters. Each Link-Master heads a group of Main Stations, and does not interfere with other
groups.
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Specification Value
Latency on Powerline 40-80ms (Depends on cable type and length, and how
many devices are connected. The greater the number of
devices, the greater the latency).
Latency over IP Network 30ms + Network Latency (Main Station to Main Station).
Bandwidth used 300 kbps per active Talker, for a maximum of one talker
per device in the system.
Each Beltpack and Speaker Station counts as one
device.
Each Main Station and Remote Station counts as two
devices.
Each HLI-2W2 or HLI-4W2 counts as two devices.
IP version IPv4
4.2 Link Local Environments
4.2.1 What is link-local?
A link-local address is an IP address within the local segment of any network. Routers do not pass
information to these as link-local addresses are not guaranteed to be unique beyond a single
network segment. When first connected to a network, your HelixNet device will attempt to get an
IP address via Dynamic Host Configuration Protocol (DHCP). If no DHCP server is available, the
unit will automatically enter link-local IP mode. A link-local IP address will take the form:
169.254.xxx.xxx.
4.2.2 Working with a Device in Link-Local Mode
Devices will revert to link-local mode if they are configured to DHCP and fail to find a DHCP
address on the network or device they are attempting to connect to. Any DHCP enabled device
connected directly to a device in link-local mode using a standard Ethernet cable will enter link-
local mode automatically.
The HelixNet units will operate in link-local mode, but for optimum performance it is recommended
that they are used with either static or DHCP network settings. In link-local, the address will
change each time the device reboots resulting in potential loss of connection to endpoints.
Note: The easiest way to take a HelixNet device out of link-local mode is to allocate a new IP
address to the unit from the device front menus. Please ensure with your network
administrator that there will be no IP clashes with this address.
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4.2.3 Change the IP Address of a HelixNet Device from the Front Menu Screens
To change a unit’s IP address, you must first disable DHCP. Press the Menu button on front of
device to enter Menu mode.
1. To enable or disable DHCP
a. In Menu mode, select Networking.
Note: The Networking menu only appears if an Ethernet or Fiber interface module is
detected.
b. From the second menu, select Preferences.
c. From the third menu, select DHCP.
d. From the fourth display screen, select one of the following:
n Disabled
n Enabled (default)
2. To edit the IP address
a. In Menu mode, select Networking.
Note: The Networking menu only appears if an Ethernet or Fiber interface module is
detected.
b. From the second menu, select Preferences.
c. From the third menu, select IP Address.
d. From the fourth display screen, edit the IPv4 address.
Note: The HelixNet system uses 10.0.0.x and 172.23.x.x IP address ranges internally
between the Main Station and the Beltpacks, and therefore will not allow setting the
external IP address to anything in that range.
Note: If you change the IP address (either manually or through DHCP), the link between
stations will be broken and you have to reboot the Main Station to link again. The following
message will appear as a banner (inverted text) at the bottom across the four displays on
the Main Station
IP address | changed, | reboot | to link
If that message appears, pressing the Menu key will bring you directly to:
Administration->Reset->Reboot->Reboot Now
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4.2.4 Accessing the Core Configuration Manager (CCM) of a HelixNet unit in linklocal mode
As an alternative to configuring your device from the front menu screens you can use the browser
based CCM.
To access the CCM of a HelixNet unit in link-local, you must connect to it from a computer that is
also in link-local mode.
A computer can be put into link-local mode by ensuring it is in DHCP mode and connecting it to a
unit that is already in link-local mode with a standard Ethernet cable. The computer will look for a
dynamically generated IP address (DHCP), and when it does not find one will enter link-local
mode automatically.
Once the computer is connected to the HelixNet device and in link-local mode, you can connect to
your unit by opening a browser window on the computer and inputting the unit’s IP address (from
the front panel display) into the address field. This takes you to the Core Configuration Manager
where you can configure the device as usual. See Core Configuration Manager (CCM) for more
detail.
Note: The units will operate in link-local, but for optimum performance it is recommended that
they are used with either static or DHCP network settings.
For the CCM password see CCM Password on page 152
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5 Configuring and managing the Main Station from front
menus
This section describes how to configure the settings and manage the Main Station using Menu
mode. It also shows you how to monitor and diagnose performance issues, using the
Diagnostics menus.
Tip: For a quick reference to the Main Station menus, see Menu maps.
5.1 Using the Menus
To place the Main Station in Menu mode, press the Menu key to the left of the first display
screen.
In Menu mode, the display screens display the four levels of menu. The menu hierarchy proceeds
left to right:
The top level menu is presented in the first screen.
The lowest level menu is presented in the fourth screen (furthest right on the front panel).
Note: If Menu mode is locked, you must unlock the menus from CCM before you can enter the
menu. See Administration.
5.1.1 Configuring Settings
To configure settings:
1. For each menu, turn the rotary control clockwise to scroll down the menu items. Turn
counter clockwise to scroll up the menu items.
Off-screen menu items are indicated by arrows at the top and/or bottom of the
screen.
Selected menu items (which create your path through the four menus) are
highlighted in solid yellow.
The fourth menu displays the settings that relate to your previous menu choices
(system features or functionality).
The current setting is indicated by a dotted box around the menu item
2. When you have selected a setting by rotating the right hand rotary control, push that rotary
control to enable the setting on the Main Station.
5.1.2 Exiting Menu Mode
To exit menu mode press the menu key.
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Note: If no key is pressed for 20 seconds, the menu will time out and display screens will revert to
their normal mode of operation.
5.2 Configuring the Audio settings
5.2.1 Audio settings for the headset
To configure the audio settings for the headset:
1. In Menu mode, select Audio Settings and then Headset.
2. To adjust the level of sidetone on the headset:
In the third menu, select Sidetone Gain.
a. In the fourth menu, select one of the following:
n 0dB
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n - 6dB
n - 12dB (default)
n - 18dB
b. To enable (confirm) the selected setting, press the rotary control.
3. To limit the audio level delivered to the headphones (or to disable headphone limiting):
a. In the third menu, select Headphone Limit.
b. In the fourth menu, select one of the following:
n Off
n +6dB
n 0dB (default)
n - 6dB
c. To confirm the selected setting, press the rotary control.
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Note: When Headphone Limit is set to anything but Off, a LIM indication will be
shown on the leftmost display.
4. To set the Headphone Gain:
a. In the third menu, select Headphone Gain.
b. In the fourth menu, select one of the following:
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n OdB (default)
n +3dB
n +6dB
n +9dB
n +12dB
c. To confirm the selected setting, press the rotary control.
5. To set (or disable) sidetone tracking on the headset:
a. In the third menu, select Sidetone Control.
b. In the fourth menu, select one of the following:
n Tracking - The sidetone volume will follow (track) the Main volume level.
n Non-Tracking - The sidetone volume is set to use the selected level.
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n Disabled - Sidetone is disabled.
Note: The default is Tracking.
c. To confirm the selected setting, press the rotary control.
6. To select the type of microphone on the headset:
a. In the third menu, select HS Mic Type.
Note: HS = Headset.
b. In the fourth menu, select either of the following types of microphone:
l Electret (-15dB)
l Dynamic (0dB) (default)
l Dynamic (low)
c. To confirm the selected setting, press the rotary control.
5.2.2 Audio Settings for the Microphone
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To configure the audio settings for the microphone:
1. In Menu mode, select Audio Settings and then Microphone.
2. To select the Headroom:
a. From the third menu, select Headroom.
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b. From the fourth menu, select one of the following:
n Normal (default)
n High - Reduces the analog input gain and increases the digital gain accordingly. That
reduces digital clipping at the A/D converter but increases the noise floor. This setting is
intended for use in environments with very high background noise.
3. To enable or disable the Contour Filter:
a. From the third menu, select Contour Filter
b. From the fourth menu, select one of the following:
n Enabled - The Contour filter is a Clear-Com algorithm enhancing speech intelligibility,
especially when whispering or talking at a low volume.
n Disabled
Note: The default is Disabled.
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5.2.3 Audio Settings for the Program Input
To configure the label (name) for the Program Input (Program Feed) gain:
1. In Menu mode, select Audio Settings and then Program Input.
2. From the third menu, select Label.
3. From the fourth menu, select the existing label by scrolling to it and pushing the rotary
controller. Edit the label by rotating the controller to scroll through letters and digits and
pushing to select a letter/digit.
4. When you have done, scroll to Save and push the rotary controller. To exit without saving
changes, go back to the third screen.
To configure the audio setting for the Program Input (Program Feed) gain:
1. In Menu mode, select Audio Settings and then Program Input.
2. From the third menu, select Gain.
3. From the fourth menu, select one of the following:
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l + 12dB
l + 6dB
l 0dB (default)
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l - 6dB
l - 12dB
4. To confirm the selected setting, press the rotary control.
5. The action trigger activates a relay when receiving a call or activating a talk on a Partyline
Channel. You can enable or disable the action trigger. To configure the audio setting for the
action trigger:
a. In Menu mode, select Audio Settings and then Program Input.
b. From the third menu, select Action Trigger.
c. From the fourth menu, select one of the following:
n Enabled (default)
n Disabled
d. To confirm the selected setting, press the rotary control.
Note: You can also configure the action trigger using Menu Mode > Modules
Settings.
To select the VOX:
1. From the third menu, select VOX.
2. From the fourth menu, select one of the following:
l Enabled
l Disabled (default)
3. To confirm the selected setting, press the rotary control.
To select the VOX Off Delay:
1. From the third menu, select VOX Off Delay.
2. From the fourth menus, select one of the following:
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l .5 sec (default)
l 1 sec
l 2 sec
l 3 sec
l 4 sec
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3. To confirm the selected setting, press the rotary control.
5.2.4 Audio Settings for Program IFB [Interruptible Foldback]
IFB allows you to temporarily interrupt the continuous program listen (program feed) and speak to
the Channels connected to the program listen. This applies to a Channel to which the Program
Input is assigned. If any participant within the Channel talks, the program is dimmed. See also
Assigning the Program Listen to a Channel.
To configure the audio settings for Program IFB [Interruptible Foldback]:
1. In Menu mode, select Audio Settings and then Program IFB.
2. From the third menu, select IFB Dim Level.
Note: The IFB Dim Level determines the amount that the volume level of the
Program Level is reduced by when it is interrupted by the IFB.
3. From the fourth menu (fourth display screen), select one of the following:
HelixNet | User Guide
l IFB Disabled (default)
l - 6dB
l -12dB
l -18dB
l -24dB
l Full Cut
4. To confirm the selected setting, press the rotary control.
5.2.5 Audio Settings for the SA [Stage Announce] Output
To configure the audio settings for the SA [Stage Announce] Output:
1. In Menu mode, select Audio Settings and then SA Output.
2. From the third menu, select Gain.
3. From the fourth menu, select one of the following:
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l + 12dB
l + 6dB
l 0dB (default)
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l - 6dB
l - 12dB
4. To confirm the selected setting, press the rotary control.
5.2.6 Audio Settings for the Hot Mic Output
To configure the audio settings for the Hot Mic Output:
1. In Menu mode, select Audio Settings and then Hot Mic Output.
2. From the third menu, select Gain.
3. From the fourth menu, select one of the following:
l + 12dB
l + 6dB
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l 0dB (default)
l - 6dB
l -12dB
4. To confirm the selected setting, press the rotary control.
5.2.7 Audio Settings for the Front Panel
To configure the audio settings for the Front Panel:
1. In Menu mode, select Audio Settings and then Front Panel.
2. From the third menu, select Loudspeaker Dim.
3. From the fourth menu, select one of the following:
l 0 dB
l -3 dB
l -6 dB (default)
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l -12 dB
l -24 dB
4. To confirm the selected setting, press the rotary control.
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5.3 Selecting Station Settings
Key(s) Description
Talk #1 Talk keys for the available Channels.
Talk #2
Talk #3
Talk #4
SA Out key Key used to talk to a connected public address or Stage Announce
(SA) system.
5.3.1 Setting Keyset Assignments
To set the Keyset Assignments:
1. In Menu mode, select Station Settings and then Keyset Assign.
2. From the third menu, select required Keyset (1 – 4).
3. From the fourth menu, select a Channel (1 – 24) to assign to the Keyset.
4. Repeat this procedure for the remaining Keysets.
5. To confirm the selected setting, press the rotary control.
5.3.2 Setting Key Latching
To enable or disable front panel keys for latching:
HelixNet | User Guide
1. In Menu mode, select Station Settings and then Keysets.
2. From the third menu, select either:
Note: The All Talk and RMK (Remote Mic Kill) key are also displayed in the list. Those keys
cannot be latched. To find out how to configure the RMK and All Talk keys, see Setting the All
Talk key
Note: The All Talk key allows you to talk to all Channels at once with the push of a button. Select
All Channels to talk to all 12 (or 24 according to license) Channels on your system. Select Visible
Channels to talk to the Channels visible on your four device Keyset screens.
3. In menu mode select Station Settings and then Keysets.
4. From the third menu, select All Talk.
5. From the fourth menu, select All Channels or Visible Channels.
6. To confirm the selected setting, press the rotary control.
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5.3.3 Setting the All Talk Key
The All Talk key allows you to talk to all Channels at once with the push of a button. Select All
Channels to talk to all 12 (or 24 according to license) Channels on your system. Select Visible
Channels to talk to the Channels visible on your four device Keyset screens.
1. In menu mode select Station Settings and then Keysets.
2. From the third menu, select All Talk.
3. From the fourth menu, select All Channels or Visible Channels.
4. To confirm the selected setting, press the rotary control.
5.3.4 Setting the RMK (Remote Mic Kill) Key
The RMK (Remote Mic Kill) key is used to:
Deselect any latched keyset Talk routes.
HelixNet | User Guide
Turn off any latched Talk on connected analog Partyline equipment.
To enable or disable the RMK (Remote Mic Kill) key:
1. In Menu mode, select Station Settings and then Keysets.
2. From the third menu, select RMK.
Note: Talk Latch and the SA Output Key are also listed in this menu. See link...
3. From the fourth menu, select either of the following:
l All Channels (12 or 24 according to license)
l Visible Channels (default)
l Disabled
4. To confirm the selected setting, press the rotary control.
5.3.5 Setting Display Screen Brightness
By default, the display screens are set for medium brightness. To set the
brightness of the display screens:
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1. In Menu mode, select Station Settings and then Display.
2. From the third menu, select OLED Brightness.
3. From the fourth menu, select one of the following brightness settings:
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l High
Key(s) Description
High / Low
The default setting.
Keys are lit bright when active and lit dim when inactive.
High / Off Keys are lit bright when active and are unlit when inactive.
Low / Off Keys are lit dim when active and are unlit when inactive.
Off / Off Keys are unlit, whether or not they are active or inactive.
l Medium (default)
l Low
4. To confirm the selected setting, press the rotary control.
5.3.6 Setting Key Brightness
By default, the front panel keys are set to High / Low. To set the brightness of
all front panel keys:
1. In Menu mode, select Station Settings and then Display.
2. From the third menu, select Key Brightness.
3. From the fourth menu, select one of the following brightness settings:
HelixNet | User Guide
4. To confirm the selected setting, press the rotary control.
5.3.7 Setting the Screensaver
The screensaver features the Channel label and is enabled by default. The display screens enter
screensaver mode when the Main Station has been inactive for 10 minutes.
Tip: To exit screensaver mode, press any key on the front.
To enable or disable the screensaver:
1. In Menu mode, select Station Settings and then Display.
2. From the third menu, select Screensaver.
3. From the fourth menu, select:
l Channel Name (default)
l Hostname
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l Role Name
Characters Description / range
Numbers (numeric) 0 to 9
Letters
Capital letters = A to Z
Small letters = a to z
Symbols
# & * ( ) - _ = + / ! @ :
Note: You can also select a space.
l Blank
l Disabled
4. To confirm the selected setting, press the rotary control.
5.4.1 Editing the Channel label
The maximum length for a Channel label is 12 characters. To edit the Channel label:
Note: Channel labels will be dictated by the Link Master when Main Stations are linked.
1. In Menu mode, select Channels and then the name of the Channel you want to edit.
2. From the third menu, select Label.
3. Select Clear and press the rotary control to clear the Channel label.
4. In the fourth menu, the following prompt is displayed above the Channel label:
HelixNet | User Guide
[Press to edit]
Press the rotary control.
5. The first letter of the Channel label is shown as selected. The following prompt is displayed
above the Channel label:
[Scroll / Press to Select]
Scroll to the character you want to edit by turning the rotary control. To begin
editing, press the rotary control.
6. The character you have selected for editing is shown in a box with a dotted border.
To display alternative characters in the box, turn the rotary control. The range of
available characters comprises the following:
To select a character, press the rotary control.
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7. When you have selected a replacement character, scroll to the next character you want to
edit. When you have finished editing the Channel label, scroll to Save (displayed beneath the
Channel label).
To save the Channel label, press the rotary control.
5.4.2 Assigning the Program Listen to a Channel
To assign (or unassign) the Program Listen (Program Feed) to a Channel:
1. In Menu mode, select Channels and then the name of the Channel.
2. From the third menu, select Program Listen.
3. From the fourth menu, select either None, or choose from the list of available programs.
Note: The default is None.
4. To confirm the selected setting, press the rotary control.
HelixNet | User Guide
Tip: When you assign the Program Listen to a Channel, PGM is displayed on the display screen
(under the listen level bar, to the left) for that Channel.
5.4.3 Assigning a GPO relay to a Channel
You can assign a relay that is triggered on receiving a call or detecting a talk on a Partyline
Channel. To assign (or unassign) a relay:
1. In Menu mode, select Channels and then the name of the Channel.
2. From the third menu, select GPO on Talk or GPO on Call.
3. From the fourth menu, select either None, or choose from the list of available relays.
Note: The default is None.
4. To confirm the selected setting, press the rotary control.
Note: An ActionTrigger initiated by a Program Audio Input VOX can on only be assigned to a GPO on
the same device.
5.5 Configuring the Control I/O
The Control I/O connector (25 way female D-type) on the rear panel allows you to connect up to 4
relay outputs or 4 opto inputs and control them through the Main Station keysets:
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I/O type Description
Opto inputs Opto inputs enable you to connect a foot switch or other control
device and use it to trigger Call or Talk functions.
There is also an option to open the mic. You can use this option
to talk, hands-free to one or more pre-latched channels.
Relay outputs Relay outputs enable you to use Call or Talk keys to trigger any
external device that accepts a standard contact closure (such
as a theater curtain or an On Air light, or the beltpack USB
flasher).
5.5.1 Configuring Opto Inputs
To configure the Control I/O for Opto inputs:
1. In Menu mode, select Control I/O.
HelixNet | User Guide
2. From the second menu, select Inputs.
3. From the third menu, select one of the following:
l Opto 1
l Opto 2
l Opto 3
l Opto 4
4. From the fourth menu (fourth display screen), select one of the following:
l None
l Call Key 1
l Talk Key 1
l Call Key 2
l Talk Key 2
l Call Key 3
l Talk Key 3
l Call Key 4
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l Talk Key 4
l Mic
5. To confirm the selected setting, press the rotary control.
5.5.2 Configuring Relay Outputs
To configure the Control I/O for Relay outputs:
1. In Menu mode, select Control I/O.
2. From the second menu, select Outputs.
3. From the third menu, select one of the four available Relay outputs:
l Relay 1
l Relay 2
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l Relay 3
l Relay 4
4. From the fourth menu, select one of the following:
l None (default)
l Call Key 1
l Talk Key 1
l Call Key 2
l Talk Key 2
l Call Key 3
l Talk Key 3
l Call Key 4
l Talk Key 4
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l SA Key
Note: The number of the key relates to the keyset to which it belongs (for example,
Call Key 1 is the Call key for the first keyset / display screen).
5. To confirm the selected setting, press the rotary control.
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5.6 Configuring Module Settings
Up to three optional interface modules can be fitted to the expansion bay of the HMS-4X Main
Station.
Warning: The interface modules are not hot pluggable. Ensure that the Main Station is powered
down before inserting or removing modules.
The Menu mode > Module Settings are used to set up the interface modules.
Tip: For more detailed information about interface modules, including pin out information, see
HMS-4X Main Station rear panel: Interface modules
5.6.1 Configuring a Four-Wire Interface Module
The following procedure shows you how to configure the Module Settings for a Four-wire
interface module.
To configure the Module Settings for a four-wire interface module:
HelixNet | User Guide
1. In Menu mode, select Module Settings.
2. From the second menu, select one of the two available ports on the two-wire interface
module:
a. Slot 2/Port A 4W
b. Slot 2/Port B 4W
Note: In this example, the four-wire module has been fitted to slot 2 in the expansion
bay. The expansion bay contains three slots.
4W = four-wire.
3. To associate any available Channel with the selected port, or to disable Channels
associations:
a. From the third menu, select Channel Assign.
b. From the fourth menu, select one of the following:
n Disabled (default)
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n Channel 1.
n Channel 2.
n Channel 3.
n Channel 4.
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n …
c. To confirm the selected setting, press the rotary control.
4. The Program Output allows a program feed associated with the Channel assigned to the four
wire port to either be delivered to that 4 wire port alongside the other Channel audio or not. To
set the Program Output:
a. From the third menu, select Program Output.
b. From the fourth menu, select one of the following:
n Unmute
n Mute (default)
5. To confirm the selected setting, press the rotary control.
6. To set the input level for the four-wire port:
a. From the third menu (third display screen), select Input Gain.
b. From the fourth menu (fourth display screen), select one of the following:
n +12dB
n + 6dB.
n 0dB (default)
n -6dB.
n -12dB
c. To confirm the selected setting, press the rotary control.
7. To set the output level for the four-wire port:
a. From the third menu, select Output Gain.
b. From the fourth menu, select one of the following:
n +12dB
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n + 6dB.
n 0dB (default)
n -6dB.
n -12dB
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8. To confirm the selected setting, press the rotary control.
9. To set the action trigger for the Program Output:
a. From the third menu, select GPO.
b. From the fourth menu, select one of the following:
n Enabled
n Disabled
10. If you are setting up a continuous audio (program) feed using the four-wire interface module,
then you may want to enable the VOX functionality. To help reduce redundant noise, the
VOX functionality automatically deactivates and activates the continuous audio feed, at an
automatically determined volume threshold.
Note: If you assign a program and a four-wire interface to the same Channel, VOX is
automatically enabled.
To enable or disable VOX:
a. From the third menu, select VOX.
b. From the fourth menu, select one of the following:
l Enabled.
l Disabled (default)
c. To confirm the selected setting, press the rotary control.
11. The VOX Delay OFF setting determines the length of time to wait before deactivating the
incoming audio. To set the VOX Delay OFF setting:
a. From the third menu, select VOX Delay OFF.
b. From the fourth menu, select one of the following:
n .5 sec (default)
n 1 sec
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n 2 sec
n 3 sec
n 4 sec
c. To confirm the selected setting, press the rotary control.
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5.6.2 Configuring a Two-Wire Interface Module
The following procedure shows you how to configure the Module Settings for a Two-wire interface
module.
Note: The Two-wire interface module must receive power from the Partyline.
To configure the Module Settings for a Two-wire interface module:
1. In Menu mode, select Module Settings.
2. From the second menu, select one of the two available ports on the two-wire interface
module:
Slot 1/Port A 2W
Slot 1/Port B 2W
Note: In this example, the two-wire module has been fitted to slot 1 in the expansion
bay. The expansion bay contains three slots.
HelixNet | User Guide
2W = Two-wire.
a. To associate any available Channel (or to disable Channels associations) with
the selected port:
From the third menu (third display screen), select Channel Assign.
b. From the fourth menu, select one of the following:
n Disabled (default)
n Channel 1
n Channel 2
n Channel 3
n Channel 4
n ...
c. To confirm the selected setting, press the rotary control.
3. The Program Output allows a program feed associated with the Channel assigned to the four
wire port to either be delivered to that 4 wire port alongside the other Channel audio or not. To
set the Program Output:
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a. From the third menu, select Program Output.
b. From the fourth menu, select one of the following:
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RTS pinout option Description
RTS Audio Pin 2 Pin 2 is used for both power and audio.
RTS Audio Pin 3 Pin 3 is used for audio (Pin 2 is used for power only).
n Unmute
n Mute (default)
4. To confirm the selected setting, press the rotary control.
5. Auto-nulling helps to reduce echo while talking on a two-wire audio system. To start Auto-
nulling on the selected port:
a. From the third menu, select Auto-Nulling.
b. From the fourth menu, select Start.
Note: Auto-nulling is only applicable to two-wire audio. All Talk routes/keys must be
disabled before Auto-nulling can commence. If an echo persists, ensure all Talk
routes are disabled and re-null the system.
6. The Two-wire interface module is set for Clear-Com systems by default. However, you can
also set the two-wire ports for use with RTS analog Partyline systems. If you are connecting to
an RTS system, you also have a choice of two different pinouts:
Note: For detailed pinout information, see HMS-4X Main Station rear
panel: Interface modules..
To configure the port for either Clear-Com or RTS systems:
a. From the third menu, select Mode.
b. From the fourth menu, select one of the following:
l Clear-Com
l RTS Audio Pin 2
l RTS Audio Pin 3
c. To confirm the selected setting, press the rotary control.
7. To set the Input Gain:
a. From the third menu, select Input Gain.
b. From the fourth menu, select one of the following:
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l +3 dB
l +2 dB
l +1 dB
l 0 dB (default)
l -1 dB
l -2 dB
l -3 dB
8. To set the Output Gain:
a. From the third menu, select Output Gain.
b. From the fourth menu, select one of the following:
n +3 dB
HelixNet | User Guide
n +2 dB
n +1 dB
n 0 dB (default)
n -1 dB
n -2 dB
n -3 dB
9. To set the action trigger for the Program Output:
a. From the third menu, select GPO.
b. From the fourth menu, select one of the following:
n Enabled
n Disabled
10. Enabling RMK [Remote Mic Kill] Input allows an external 2-wire analogue partyline device
such as the main (base) station (MS-702) to send an RMK signal to the digital HelixNet
devices attached to the same HelixNet channel.
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Note: If this is enabled and the analog Partyline system is powered down, it will be
interpreted by the HelixNet Main Station as an RMK input and all talk routes will be
switched off.
To enable RMK Input:
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a. From the third menu (third display screen), select RMK Input.
b. From the fourth menu (fourth display screen), select one of the following:
l Enabled
l Disabled (default)
c. To confirm the selected setting, press the rotary control.
11. Enabling RMK [Remote Mic Kill] Output allows you to send an RMK signal from the
HelixNet Main Station to any connected analog 2-wire partyline system.
To enable RMK Output:
a. From the third menu, select RMK Output.
b. From the fourth menu, select one of the following:
l Enabled
l Disabled (default)
To confirm the selected setting, press the rotary control.
12. If you are setting up a continuous audio (program) feed using the two-wire interface module,
then you may want to enable the VOX functionality. To help reduce redundant noise, the VOX
functionality automatically deactivates and activates the continuous audio feed, at an
automatically determined volume threshold.
Note: If you assign a program and a two-wire interface to the same Channel, VOX is
automatically enabled.
To enable or disable VOX:
a. From the third menu, select VOX.
b. From the fourth menu, select one of the following:
l Enabled
l Disabled (default)
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c. To confirm the selected setting, press the rotary control.
13. The VOX Delay OFF setting determines the length of time to wait before deactivating the
incoming audio. To set the VOX Delay OFF setting:
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a. From the third menu, select VOX Delay OFF.
b. From the fourth menu, select one of the following:
n .5 sec (default)
n 1 sec
n 2 sec
n 3 sec
n 4 sec
c. To confirm the selected setting, press the rotary control.
5.6.3 Configuring an Ethernet or Fiber interface module
The following procedure shows you how to configure the Module Settings for an Ethernet
interface module.
HelixNet | User Guide
To configure the Module Settings for an Ethernet interface module:
1. To view status information about Main Stations:
a. In Menu mode, select Networking.
Note: The Networking menu only appears if at least one Ethernet or Fiber interface module is
detected.
b. From the second menu, select Stations. A list of station IDs is given for each
Main Station in the network. Each station ID in the list is preceded by the letter M-
for the Link-Master station itself and S- for all Link-Member (S stands for Slave).
c. From the third menu select the required station ID.
d. From the fourth menu you can view the following:
l Status – Enabled or Disabled
l IP – The IP address.
2. To edit or change the Hostname for your device:
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a. In Menu mode, select Networking.
b. From the second menu, select Preferences
c. From the third menu, select Hostname
d. From the fourth menu, select the name by pushing and turning the Rotary controller.
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e. Edit the name by turning the controller to select a letter or number and pushing to select it.
Then turn to scroll through letters. Push to commit.
f. When you have done, scroll to SAVE and push to commit.
3. To enable or disable DHCP:
a. In Menu mode, select Networking.
Note: The Networking menu only appears if an Ethernet or Fiber interface module is detected.
b. From the second menu, select Preferences.
c. From the third menu, select DHCP.
d. From the fourth display screen, select one of the following:
l Disabled
l Enabled (default)
4. To edit the IP address:
a. In Menu mode, select Networking.
Note: The Networking menu only appears if an Ethernet or Fiber interface module is detected.
b. From the second menu, select Preferences.
c. From the third menu, select IP Address.
d. From the fourth display screen, edit the IPv4 address.
Note: You can only edit the IPv4 address if DHCP is disabled.
Note: The HelixNet system uses 10.0.0.x and 172.23.x.x IP address ranges internally between
the Main Station and the Beltpacks, and therefore will not allow setting the external IP address to
anything in that range.
Note: If you change the IP address (either manually or through DHCP), the link between stations
will be broken and you have to reboot the Main Station to link again. The following message will
appear as a banner (inverted text) at the bottom across the four displays on the Main Station
IP address | changed, | reboot | to link
If that message appears, pressing the Menu key will bring you directly to: Administration->Reset-
>Reboot->Reboot Now
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5. To edit the Gateway:
a. In Menu mode, select Networking.
Note: The Networking menu only appears if an Ethernet or Fiber interface module is detected.
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b. From the second menu, select Preferences.
c. From the third menu, select Gateway.
d. From the fourth display screen, edit the gateway.
Note: You can only edit the gateway if DHCP is disabled.
6. To edit the Subnet Mask:
a. In Menu mode, select Networking.
Note: The Networking menu only appears if an Ethernet or Fiber interface module is detected.
b. From the second menu, select Preferences.
c. From the third menu, select Subnet Mask.
d. From the fourth display screen, edit the Subnet Mask.
Note: You can only edit the Subnet Mask if DHCP is disabled.
7. To enable or disable linking:
a. In Menu mode, select Networking.
Note: The Networking menu only appears if an Ethernet or Fiber interface module is detected.
b. From the second menu, select Linking.
c. From the third menu, select Link Mode.
d. From the fourth display screen, select one of the following:
l Disabled (default)
l Master
l Member
5. If Member is selected, the menu asks you to pick a Link-Master to connect to in the
Networking>Link To Master menu. It can be done by picking from a hostname list or by
entering an IP address.
5.6.4 Setting up a Key Expansion Group
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HelixNet units can be expanded and stacked to allow for visual monitoring and easy control of
multiple Channels. Up to five devices (HMS-4X, HRM-4X) can be stacked in an Expansion Group,
allowing for convenient observation and control of up to 24 Keysets. This gets rid of the need for
multiple key presses and microphones. When using this type of connectivity, the Expanded panels
act as slaves to the Host panel.
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To set up an Expansion Group, once the devices have been connected to the same LAN by
Ethernet cable, you will need to identify a Host device. This is done from the front panel menu of
the device under Station Settings. Then designate the panel(s) to be stacked as Expansion
Panel(s).
Once this set up is established, you will be able to control all Channels from the Host panel.
Volume and buttons are synched.
Unused buttons on Expanded panel are disabled: HSet, Mic On, SA, All Talk, OPT, Main, PGM.
Restrictions:
Devices can only connect as an Expansion Group over LAN, not when connected over digital
Partyline.
HMS-4X or HRM-4X can act as Host Panel.
HMS-4X can only act as a key Expansion Panel to another HMS-4X.
HRM-4X can act as a Key Panel to an HMS-4X and an HRM-4X.
If an HRM-4X is already Paired to an HMS-4X, it will only see Host Panels that are part of the
same group.
If an HRM-4X is not Paired yet to an HMS-4X, it will see all Host Panels in the subnet and will
automatically Pair at the same time if a Host Panel is selected.
An Expansion Group must be set up from the device menus, and cannot be set up from the CCM.
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To set up a key Expansion Group (example set-up)
Designate the expansion Host unit:
1. On the Host device, press the MENU button to enter menu mode.
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Stacking icon
Note: For each menu, turn the rotary control clockwise to scroll down the menu
items. Turn counter clockwise to scroll up the menu items.
Off-screen menu items are indicated by arrows at the top and/or bottom of the
screen.
Selected menu items (which create your path through the four menus) are
highlighted in solid yellow.
The current setting is indicated by a dotted box around the menu item
When you have selected a setting by rotating the right hand rotary control, press that
rotary control to enable the setting on the Main Station.
2. Navigate to Menu > Networking > Expansion Mode. Select Host.
3. From the 4thscreen on the device select Enabled. The device will then be open for
expansion.
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Note: On both Host and Expansion panels a “stacking” icon will flash until connection is
established.
Designate the Expansion panel and link it to the host:
4. From the front panel menus of the panel you wish to expand from the host, navigate to Menu
> Networking > Expansion Mode > Expand To Host.
5. Select the required host panel using the rotary controllers, which, providing the devices are on
the same network, will be visible in the 4thscreen.
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6. The stacking icon will flash in the screen until connection is established. Once the connection
is established, the icon will show solid.
5.6.5 Viewing the Module Settings: Version Information
The software (firmware) for the ports on the interface module must match that on the HelixNet
Main Station itself.
HelixNet | User Guide
Note: Ethernet and fiber option modules do not contain software.
To check the software version for the Main Station and each port on the interface module:
1. In Menu mode, select Administration > Software > Current.
2. In the fourth menu, use the rotary control to scroll the displayed software versions.
3. The software versions for each port are listed under Snx, where n indicates the slot number,
and x indicates port A or port B.
The software versions for the two processors in the Main Station (Main Station and IV-Router) are
listed under MS and IVR respectively.
5.7 Administration
5.7.1 In Menu mode > Administration, you can:
l Update and view the current software (firmware)
l Upgrade and view the current licence (how many channels are available)
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l Reset the Main Station and audio configuration
l Reboot the Main Station
l Get system logs for diagnostic purposes
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l See the CCM login credentials (including password). This option is only available if you
have either not changed the CCM password or reset the main station to factory default
settings
l Save/restore audio configuration
5.7.2 Viewing the Current Versions of the Software
To view the current versions of the software on the Main Station, see Viewing the Module
Settings: Version information.
5.7.3 Updating the Software
Any beltpacks, Remote Stations and Speaker Stations that are connected to the Main Station are
automatically updated. The units remain non-functional for approximately 5 minutes while they are
updated.
To update the software:
HelixNet | User Guide
1. After downloading the software update, copy the update to a USB memory stick.
Note: If you are updating from HelixNet 3.0 to HelixNet 3.1 or later, you must update
the .ccb file before you update the .ubifs file.
2. Insert the memory stick into the USB 2.0 (A) connector. See table in Main Station/Remote
Station: Front panel
3. In Menu mode, select Administration and then Software.
4. From the third menu, select Update.
5. The fourth menu displays the new software version information on the USB memory stick. To
start updating the Main Station with the new software, press the rotary control.
The process of updating the software takes several minutes. Please wait while all connected
devices are updated. The following system messages are displayed during the process:
Loading image
Erasing flash
Writing to flash
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Verifying flash
Successful
Note: Do not remove the USB memory stick from the Main Station until the software update is
completed, including the update to any connected devices.
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Do not turn off the power to the Main Station during the software (firmware)
update. Turning off the power can damage the device.
Note: The Main Station resets automatically. You are not required to restart the Main Station.
To check that the software upgrade was performed successfully, see Viewing the
current versions of the software.
5.7.4 Upgrading the License on the HelixNet Main Station
The Main Station arrives with a license for 12 Channels. In order to upgrade to 24 Channels you
need to obtain a License code from your Clear-Com dealer. Your dealer will need the system id of
your device, available from the front menu screens.
1. In Menu mode, select Administration and then License.
HelixNet | User Guide
2. From the third menu, select Current.
3. In the fourth menu, the top item is the system ID. Give this to your dealer to obtain a license to
upgrade.
4. When you have the license code, input it into this screen. The Rotary controller can be used to
scroll to the input code section, and then used to enter the code. Push to select a digit or letter.
Scroll to the required letter. Push to commit information.
5.7.5 Resetting the Main Station
To reset the Main Station to its default (factory mode) settings:
1. In Menu mode, select Administration and then Reset.
2. The third menu displays a selected menu item: Reset to Default.
3. In the fourth menu, select between:
l Reset HMS
l Reset Endpoints
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l Reset CCM pass
l Reset Roles/Channels
l Factory Default
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Type of reset Result of reset
Reset HMS
Reset Main Station, including Roles to factory
defaults. This option will not reeset the
CCM password to the factory default setting.
Reset Endpoints Reset the local configuration for all connected
endponts; beltpacks, remote stations and
speaker stations (Roles are not reset).
Reset CCM Pass This option is only available when the CCM
password has been changed. You can use
this setting to reset the password to the default
setting (unique password).
Reset Roles Reset the Role and Channel assignments of
the HMS. This option is also available in the
CCM.
Factory Default Resets everything on the HMS and connected
endpoints.
Note: Reset HMSand Factory Default will erase any Role configurations you have made.
Please save Role configurations before doing this.
5.7.6 Manually Rebooting the Main Station
To manually reboot the Main Station:
1. In Menu mode, select Administration and then Reset.
2. The third menu select Reboot.
3. In the fourth menu, select Reboot Now.
When the rotary control is pressed, the display changes to Rebooting … for 2 seconds, and
then the Main Station reboots.
5.7.7 Saving and Restoring the Software Settings
Use this option to save your configuration to a USB stick or restore a previously saved file:
1. Insert a memory stick into the USB 2.0 (A) connector. See table in Main Station/Remote
Station: Front panel
2. In Menu mode, select Administration and then Settings.
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Type of Save Result
Save All
Saves your whole configuration; Main Station,
Remote Stations, Speaker Stations,
Roles/Channel names to the USB for future
use. This option also saves 2-wire and 4-wire
port settings and assignment.
Restore All Restores all settings from the file stored on the
USB.
Restore Role/Ch Restores Channel names and Role
configuration only from the file stored on the
USB. Network settings (including Linking
and Expansion) are NOT saved.
3. To save, in the third menu, select Save All. Once you select Save you should not remove the
USB stick right away. Depending on the USB stick it might take up to 5 seconds to complete.
4. To restore all HMS settings, in the third menu, select Restore all.
a. In the fourth menu, select a file from USB.
b. This restores the Helixnet Base, the Role and the Channel settings from the USB stick to
your system.
5. To restore Roles and Channel names only, in the third menu, select Restore Role/Ch.
a. In the fourth menu, select a file from USB.
b. This restores Role and Channel settings from the USB to your system. Network settings
are NOT restored.
5.8 Diagnostics
The Diagnostics menus help you to monitor the performance of the Main Station and diagnose
possible system issues.
If the warning icon shows up in the Main display, warning message will show up here in the
Diagnostics menu.
5.8.1 Viewing hardware Information
To view information about the hardware (PCBs) on the Main Station:
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1. In Menu mode, select Diagnostics and then Hardware.
2. From the third menu, select one of the following:
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l Main PCB
l Slot 1 PCB
l Slot 2 PCB
l Slot 3 PCB
Note: Slot 1, Slot 2 and Slot 3 refer to the interface module slots in the Main Station
extension bay. When looking at the rear of the module, slot 1 is the left-hand slot,
slot 2 is the middle slot, and slot 3 is the right-hand slot.
The fourth menu displays the Part number, Revision and Serial numbers for the
PCB. The format is similar to the following:
Part xxxxxx
Revision: x
Serial: x
Where x is a numerical value.
5.8.2 Viewing temperature Information
To view the temperature of the Main Station:
1. In Menu mode, select Diagnostics and then Hardware.
2. From the third menu, select one of the following temperature sensors:
l Sensor 1
l Sensor 2
l Sensor 3
The fourth menu displays the temperature, for example:
+30°C
Environmental note:
The recommended operating temperature range for the HelixNet
HMS-4X Main Station is 0 to +40°C. The storage temperature range for the Main
Station is -30 to +70°C.
For more environmental information, see Installing HelixNet Partyline.
5.8.3 Viewing Powerline Information and Status
There are two digital Partylines (Line 1 and Line 2) on the HMS-4X Main Station. Line 1 and Line
2 are also referred to as powerlines.
Each line can support up to 10 beltpacks, Remote Stations or Speaker Stations.
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