MX410/MX412 System Manual3-2 PRELIMINARY 61189500L1-1BMX410 DATA PATH BLOCK DIAGRAMAs shown in Figure 3-1, the MX410/MX412 contains a 1/0 cross connect that allows DS0s tobe mapped between four DS1s (12 DS1s on the MX412), four PPP ports, and a V.35 port. Referto ìPPP BCP/IPCP Menuî on page 5-32 for more information about using PPP.Any DS0 in DS1 1 can be mapped to any DS0 in DS1 1-4, or any PPP port, or the V.35 port.Any unmapped DS0 in a DS1 is filled with all ones. Therefore, if an entire T1 is unmapped,framed all ones are sent.The default mapping of the 1/0 cross connect is for all the DS1s to be unmapped and trans-mitting framed all ones. No DS0s are dropped to the PPP or V.35 ports.Figure 3-1. MX410 Data Path Block DiagramV.35 Port DS0 # 1V.35 Port DS0 # 2V.35 Port DS0 # 24DS1 1 DS0 # 1DS1 1 DS0 # 2DS1 4 DS0 # 24DS1 1 DS0 # 24DS1 2 DS0 # 1DS1 2 DS0 # 2DS1 2 DS0 # 24DS1 3 DS0 # 1DS1 3 DS0 # 2DS1 3 DS0 # 24DS1 4 DS0 # 1DS1 4 DS0 # 2PPP 1 DS0 # 1PPP 1 DS0 # 2PPP 4 DS0 # 24PPP 1 DS0 # 24PPP 2 DS0 # 1PPP 2 DS0 # 2PPP 2 DS0 # 24PPP 3 DS0 # 1PPP 3 DS0 # 2PPP 3 DS0 # 24PPP 4 DS0 # 1PPP 4 DS0 # 21/0 Cross ConnectDS1 1 DS1FramerDS1 2 DS1FramerDS1 3 DS1FramerDS1 4 DS1FramerPPP 2PPP 3PPP 4V.35 Port TS 1 TS 2 TS 3 TS 4 ETH 1 ETH 2 ETH 3 ETH 4PPP 1Ethernet SwitchMX410 IPMX410
