CE - I/F CARD T1/E1 APS The I/F T1/E1 APS Card in combination with CONTROL CARD T1/E1 APS (90-6346-01) and the T1/E1 APS SHELF (90-6344-01) provides N:1 Automatic Protection Switching support for T1/E1 CE Cards on the 7470. Each T1/E1 Card on the 7470 tha

CE - I/F CARD T1/E1 APS The I/F T1/E1 APS Card in combination with CONTROL CARD T1/E1 APS (90-6346-01) and the T1/E1 APS SHELF (90-6344-01) provides N:1 Automatic Protection Switching support for T1/E1 CE Cards on the 7470. Each T1/E1 Card on the 7470 that is to be protected must be connected to an Interface APS Card in the APS Shelf. The Interface APS Cards contain relays to route the traffic to either its regular T1/E1 Card, or onto the panels protection bus where the traffic is routed to the protection card. This APS card is compatible with the T1/E1 CE MAUs.