InformaCast, InformaCast CKHTTP Interface for Status & Configuration1 Audio Output1 Relay Contact Closure OutputRJ-45 Jack for Network ConnectionFront Panel Activity LEDProvides Audio for Up to 40 Valcom One-way Amplified Speaker AssembliesOutput Control Contact Closure Provided During Paging OutputCompatible with 25 or 70 Volt Amplifiers2.5mm Jack for External DC Power (Optional)Power Over Ethernet 802.3af Compatible