Type of media module in the associated slot mm312 has 24 low-density DCP station ports mm710 has one DS1 interface mm711 has 8 port universal analog mm712 has 8 DCP station ports mm714 has 4 analog trunk ports and 4 analog station ports mm716 has 24 high-density analog station ports mm717 has 24 high-density DCP station ports mm720 has 8 bri trunk ports (16 channels) mm722 has 2 bri trunk ports (4 channels) anaImm1t2l is G250 Internal media module 1 Analog Trunk + 2 Analog Lines anaImm4t2l is G250 Internal media module 4 Analog Trunks + 2 Analog Lines briImm is G250 Internal media module 2 port BRI dcpImm is G250 Internal media module 12 port DCP ds1Imm is G250 Internal media module DS1 tgm550 is IG550 telephony gateway module with 2 Analog Trunks + 2 Analog Lines tim508 is IG550 telephony interface module 8 analog station ports tim510 is IG550 telephony interface module DS1 tim514 is IG550 telephony interface module 4 Analog Trunks + 2 Analog stations tim516 is IG550 telephony interface module 16 analog station ports tim518 is IG550 telephony interface module 8 analog stations and 8 analog trunks tim521 is IG550 telephony interface module 4 port BRI