The OC12 LR/STM4 LH 1310 card provides one long-range, ITU-T G.707, ITU-T G.957-compliant, SDH STM-4 port per card. The interface operates at 622.08 MBits/s (Mbps) over a single-mode fiber span. The card supports concatenated or non-concatenated payloads on a per VC-4 basis.You can install the OC12 LR/STM4 LH 1310 card in any multispeed or high-speed card slot. You can provision the card as part of an MSP or SNC ring. In ADM/TM configurations, you can provision the card as either an access tributary or a transport span-side interface. The OC12 LR/STM4 LH 1310 card interface features a 1310 nm laser and contains a transmit and receive connector (labeled) on the card faceplate. The OC12 LR/STM4 LH 1310 card uses SC optical connections and supports 1+1 unidirectional and bidirectional protection.This product is designed for Cisco ONS 15454 SDH Multi-Service Platform.