HelixNet 4-Channel 1 RU Digital Remote Station

FEATURES:
4-Channel 1 RU Digital Remote Station

Remote Station:
• Easy to use front panel with OLED displays
• Headset or hands-free support with speaker and mic
• 4 Keysets freely assignable to system channels
• All Talk, Stage Announce, RMK and Program Audio level controls
• Expansion mode for 8-24 channel user stations
Connectivity:
• Powerline loop-through on XLR
• Ethernet Network port with PoE
• Program Audio input and Stage Announce output
• Contact closure input and output
HelixNet System:
• Networked Intercom System
• Flexible cabling
• 12 Partyline channels; expandable to 24 channels via optional license
• Program Audio distribution with independent level controls
Effortless Management:
• Easy to use CCM browser configuration
• Fast front panel control and configuration
• Plug-and-go with auto discovery
• Central upgrades from main station
The HelixNet HRM-4X remote station is a 1 RU 4-channel intercom user station with utility connections for Program Audio input and Stage Announce output, supported by the HMS-4X main station.

SPECIFICATIONS:
Channels
System provides 12 or 24 intercom channels. Four Channels can be assigned to station keysets. Program Audio can be associated with any channel with independent endpoint level control.
Connectors
XLR Powerline: 3-pin XLR-M/F
Ethernet/PoE: EtherCON RJ45
Headset: 4-pin XLR–M
Gooseneck Mic: 3-pin Tuchel
Program Audio: 3-pin XLR–F
Stage Announce: 3-pin XLR–M
Hot Mic/IFB Interface: 1/4? (0.64 cm) TRS jack
GPIO: 9-pin D-type male (1xGPI, 1xGPO)
USB: Type A
DC Power: 3-pin KPJX-PM-3-S
Microphone Preamplifier
Headset Mic Impedance: 200O (Dynamic)
Headset Mic Voltage: 1.7V (Electret selectable)
Limiter: +23 dB
Route to 4-wire output at 0 dBu out:
Mic Gain: 60 dB (Dynamic), 45 dB (Electret)
Frequency Response: 300 Hz – 10 kHz ±3 dB, contoured for intelligibility
Distortion: <0.2% THD @ 1 KHz
Noise: <-55 dBu (Dynamic),<-65 dBu (Electret)
Headphone Amplifier
Load Impedance: >32O
Output Level: +12 dBu before clipping
Sidetone: -12 dBu (selectable)
Route from a 4-wire input at 0 dBu in:
Max Gain: 0 dB
Frequency Response: 180 Hz – 10 KHz +3 dB
Distortion: <0.1% THD @ 1 KHz
Noise: <-65 dBu
Headphone Limiter: 0 dB (selectable)
Loudspeaker Amplifier
Load Impedance: 8O
Output Level: +18 dBu before clipping
Route from a 4-wire input at 0 dBu in:
Max Gain: 18 dB
Frequency Response: 200 Hz – 10 KHz ±3 dB
Distortion: <0.1% THD @ 1 KHz
Noise:<-50 dBu
Program Audio Line Input
Maximum Level Before Clipping: +18 dBu
Nominal Input Level: 0 dBu (selectable)
Input Impedance: >= 10 KO
Route to 4-wire output at 0 dBu out:
Frequency Response: 20 Hz – 10 KHz ±3 dB
Distortion: <0.2% THD @ 1 KHz
Noise: <-65 dBu
Stage Announce Output
Maximum Level Before Clipping: 18 dBu
Nominal Output Level: 0 dBu (selectable)
Output Impedance: <= 100O
Route from a dynamic headset:
Frequency Response: 300 Hz – 12 KHz ±3 dB
Distortion: <0.1% THD @ 1 KHz
Noise: <-55 dBu
Hot Mic Output
Maximum Level Before Clipping: +12 dBu
Nominal Output Level: 0 dBu (selectable)
Output Impedance: <= 100O
Route from a dynamic headset:
Frequency Response: 300 Hz – 12 KHz ±3 dB
Distortion: <0.2% THD @ 1 KHz
Noise: <-55 dBu
Power
Voltage: 48V DC
Current (Max): 0.3A
Power (Max): 14.4W
BTU (Max): 49 BTU/hr
Input Power Connector: KPJX-PM-3-S
This unit can be powered via:
Powerline:
Input Voltage: ±29.5V DC
Input Current (Speaker Off): 0.3A
Input Current (Max): 0.5A
Powerline Utilization:
HRM (Local Power) = 1 beltpack
HRM (Speaker Off) = 2 beltpacks
HRM (Speaker On) = 3 beltpacks
Note the maximum Powerline capacity of the HMS-4X.
Use HelixNet Cable Calculator to validate load and cable distance.
AC Adapter – Inline:
Input Voltage Range: 100 – 240V AC
Input Frequency Range: 50 – 60 Hz
Input Power Connector: IEC-C14
Output Voltage: 48V DC
Output Power (Max): 15W
Output Power Connector: KPPX-3-P
PoE – Power over Ethernet
IEEE 802.3af-2003 – Class 0
PSE: 15.4W DC max @ Power Source Req.
PD: 12.95W DC max @ Powered Device Draw
Environmental
32º – +104ºF (0 – +40ºC)
90% relative humidity
Dimensions
1.75 x 19 x 6.4 in (HxWxD)
(44 x 483 x 165 mm)
Weight
4 lb. (1.8 kg)
Network Specifications (Version 4)
Network Protocols
Ethernet IPv4 – Unicast Audio and Control
mDNS – Multicast Device Discovery
Layer 3 routable with mDNS function limitations
WavPack – Audio Codec
Network Ports
Unicast:
Port 80 TCP – System Management, Expansion
Port 6001 TCP – System Management
Port 6001 UDP – Audio Streams
Multicast:
Port 5353 UDP – mDNS, Names, Discovery, Linking, Expansion
Optional for device names and linking
Mandatory for HMS/HRM Expansion
Network Parameters
Endpoint Resource Use: 1-3
Bandwidth:
300-600 (max) kbps from HRM to HMS
1200-2400 (max) kbps from HMS to HRM
Network Jitter Tolerance:
<= 128 ms jitter buffer per audio stream receiver automatically adjusted to network performance
QoS Tags:
DSCP=46, High Priority/Expedited Forwarding (EF)
Link-Local Default IP Address Range:
169.254.0.0/16
System Reserved IP Range:
10.0.0.0/8 for endpoints
Recommended Ethernet Switches
Managed Ethernet Switch – Layer 3
100/1000 Base-T ports for endpoints
1000 Base IP Trunks between switches
QoS Configuration
Energy Efficient Ethernet bypass option
IGMP Snooping bypass option