In combination with a HelixNet Main station, the HLI-2W2 interface module allows seamless connectivity to almost all common two-wire audio systems. Plug the HLI-2W2 into one of the rear panel slots of the main station, (sold separately) and a pair of 3-pi
FEATURES:
Interface
• 2-wire interface for HMS-4X
• Auto nulling
• Level and VOX control
• Clear-Com/RTS Compatible
• Call and RMK signaling
The 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
• Fast front panel control and configuration
• Easy to use CCM browser configuration
• Plug-and-go with auto discovery
• Central upgrades from main station
The HelixNet HLI-2W2 is a dual 2-wire Partyline interface module for the HMS-4X main station.
The HelixNet IP networking guide provides specifications, best practices and guidance for the integration of HelixNet into an existing or new IP network.
SPECIFICATIONS:
Connectors
2-wire Partyline: (2) 3-pin XLR-F
Partyline
Compatibility: Clear-Com, RTS configurable with Call and Remote Mic Kill
Termination: External System
Nulling: R-L-C hybrid; user initiated Auto-Calibration with Echo Cancellation
Power: 25 mA from external system
Voltage: 20-30V DC (max)
Maximum Level Before Clipping: 6 dBu
Nominal Input Level: -18 dBu (C-C), -12 dBu (RTS)
Input Impedance: >= 10 KO bridging
Route to 4-wire input at 0 dBu in:
Frequency Response: 100 Hz – 10 KHz ±3 dB
Distortion: <0.2% THD @ 1 KHz
Noise: <-55 dBu
Route from a 4-wire output at 0 dBu out:
Frequency Response: 40 Hz – 10 KHz ±3 dB
Distortion: <0.2% THD @ 1 KHz
Noise: <-75 dBu
Dimensions
2.2 x 7.4 x 1.5 in (HxWxD)
(57 x 187 x 39 mm)
Weight
13 oz (0.38 kg)
Network Specifications (Version 4)
Network Protocols
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
Port 6001 TCP – System Management
Port 6001 UDP – Audio Streams
Multicast:
Port 5353 UDP – mDNS, Names, Discovery
Network Parameters
Endpoint Resource Use: 1 per active port
Bandwidth:
300 (max) kbps from each active port to HMS
1200 (max) kbps from HMS to each active port
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)
System reserved IP range:
10.0.0.0/8 for endpoints
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