Details Fiber Linking Interface HMS-4X(2) fiber linking The HelixNet System Wired Partyline - Networked Flexible cabling Up to 24 Channels – Licensed Program Audio user level control Effortless Management Fast front panel control & configuration Easy to use CCM browser configuration Plug-and-go with auto discovery Central upgrades from main station Item Code HLI-FBS Optional Accessories: HLI-SMFO: Single-mode transceiver HLI-MMFO: Multi-mode transceiver Technical Specifications Transceiver Connectors (2) 100Mb SFP Ethernet Connections For use with: HLI-SMFO Single-Mode transceiver (1 included) HLI-MMFO Multi-Mode transceiver Dimensions 2.2 x 7.4 x 1.5in (HxWxD) (57 x 187 x 39mm) Weight 13oz (0.35kg) 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 655 TCP–Link Group Audio/Database Communication 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 Network Parameters HMS-4X Endpoint Resource Use: None Bandwidth: 300 kbps each audio input linking between HMS/LQ Link Group audio sent dynamically between members 300-600 (max) kbps from an active audio input to HMS 1200-2400 (max) kbps from HMS to endpoint Network Jitter Tolerance: <= 128ms jitter buffer per audio stream receiver automatically adjusted to network performance QoS Tags: DSCP=41, Assured Forwarding (AF) Link-Local Default IP Address Range: 169.254.0.0/16 System Reserved IP Ranges: 10.0.0.0/8 for endpoints 172.23.0.0/16 for Link Group 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