Description
Clear-Com HLI-4W2 HelixNet Interface Module
The Clear-Com HLI-4W2 is a 4-wire interface module for the HMS-4X main station that enables 4-wire audio paths, such as matrix ports, cameras, and telephone circuits to interface with HelixNet intercom channels. It fits within one of the three rear panel interface slots of an HMS-4X main station. Two RJ-45 connectors on the module can be assigned via the main station menu.
HelixNet Main Stations accept both two-wire and four-wire optional interface modules, offering seamless connectivity to virtually all common two-wire and four-wire audio systems.
The Clear-Com HLI-4W2 Interface Module provides an easy way to interface common four-wire audio paths such as matrix ports, cameras, and telephone circuits with a HelixNet Main Station. Each of the two ports employs both transformer and electrical balancing to ensure incoming and outgoing audio paths are free of hum and noise.
Features
- 4-wire interface module
- Matrix port, camera, and telephone circuit assignment from HelixNet main station
- Two RJ-45 connectors per module
Specifications
| Connectors | 4-wire: (2) EtherCON RJ45 |
| 4-wire Option Module Inputs | Maximum Level Before Clipping: 18dBu |
| Nominal Input Level: 0dBu (selectable) | |
| Input Impedance: >= 10KO | |
| Route to 4-wire output at 0dBu in: Frequency Response: 20Hz – 10kHz ±3dB | |
| Distortion: <0.2% THD @ 1kHz | |
| Noise: <-65dBu | |
| 4-wire Option Module Outputs | Maximum Level Before Clipping: 18dBu |
| Nominal Output Level: 0dBu (selectable) | |
| Output Impedance: <= 100O | |
| Route to 4-wire input at 0dBu in: Frequency Response: 300Hz – 12kHz ±3dB | |
| Distortion: <0.1% THD @ 1kHz | |
| Noise: <-55dBu | |
| Dimensions | 2.2 x 7.4 x 1.5in (HxWxD) |
| (57 x 187 x 39mm) | |
| Weight | 13oz (0.38kg) |
| Network Specifications (Firmware Version 4.2+) | |
| Network Protocols | Ethernet IPv4–Unicast Audio and Control |
| mDNS–Multicast Device Discovery | |
| Layer 3 routable with mDNS function limitations | |
| HTTP–Management RTP–Audio Transport | |
| 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 | HMS-4X 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: <= 128ms jitter buffer per audio stream receiver automatically adjusted to network performance | |
| QoS Tags: DSCP=41, Assured Forwarding (AF) | |
| System Reserved IP Range: 10.0.0.0/8 for endpoints | |
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