MTNM Release 3.0 Model Components - 12  TeleManagement Forum 2003 Quad DS3 Trib Card OC3 Line Card STS1 VT1.5 STS1 VT1.5 STS1 OC3 PTT (Physical port) CTP (logical payload) CTP that can terminate and map CTP that is terminated and mapped CTP not available SNC
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