Intercoms & PA – GSC3506 v2 Product Description GSC3506 v2Multicast Paging Speaker SIP paging, multicast paging, call-waiting One 10/100Mbps network port with PoE/ PoE+ 1x 3-pin differential line out port 1x 2-pin switch-in input port, 1x Alarm-in input port, 1x DC24V, 1x network, and 1x USB port See also different: ATAs & Gateways – HT801 v2 – HT802 v2 DECT Cordless IP Phones – DP720/DP722/DP730 GXP Series IP Phones – GXP2130 v2 Unified Communications – GRP2615