PBL38621/2SOA

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PBL38621/2SOA (StdT1/E1 or Robbed Bit STM-1/STM-0 Interface) is an integrated, field-proven circuit interface designed to provide a BOB (Bit Stuffing and Robbed Bit) interface capability between datacom and telecom systems. This interface, which is compliant with the ITU-T G.703 and G.704, is used in applications such as switched networks, networks with dense or bus-type topologies, asymmetric digital subscriber lines and other host physical layer interfaces.

The PBL38621/2SOA is a representational circuit card comprising dual T1/E1 and 4-bit STM-1/STM-0 interfaces. This card has a powerful 16-bit RISC interface that is capable of processing and transmitting data at higher speed. It is equipped with SFP (Synchronous Fiber Optic Networking) fiber ports and data rate of 1.5/2.5/10 Gb/s. It also has on-board logic for synchronization, data-flow control and an onboard microprocessor for programming and configuration.

The PBL38621/2SOA consists of a multipurpose, 2-channel interface (MIF-CIF) chipset, which provides a standard interface connecting telecom channels to datacom systems. It enables the transfer of T1/E1 and STM-1/STM-0 protocols through the BOB interface. The first step in the MIF-CIF process is the on-chip physical layer/link layer mapping, which remaps the T1/E1/STM-1/STM-0 signals into a frame format. This frame is then used by the on-chip logic to route the frames between the two interfaces. The MIF-CIF chipset is also responsible for controlling the data-flow of the signal through the interface, maintaining an error-free flow of data.

The PBL38621/2SOA is capable of supporting different signal rates, from 1.5/2.5/10 Gb/s in both fiber and copper modes. The on-board microprocessor enables communication between the two interfaces, using internal registers and memory. It can also be used to manage the entire interface configuration, which can include VLAN, Multicast Groups, QoS, and Forwarding Tables.

The PBL38621/2SOA is ideal for applications that require high-speed data transfer and low-cost solutions. It is widely used in telecom applications such as access networks, central office systems, metro networks, and core networks. It is also popular in datacom applications such as Ethernet networks, storage networks, private line telephone systems, voice over IP, and multimedia systems. Furthermore, the interface is compliant with ITU-T G.703 and G.704 requirements for network access, making it suitable for use in a wide variety of networks.

In summary, the PBL38621/2SOA is a powerful, integrated interface designed to provide a BOB interface capability between datacom and telecom systems. It provides a standard interface connecting telecom channels to datacom systems, as well as being compliant with ITU-T G.703 and G.704 requirements. Furthermore, it is capable of supporting different signal rates, making it ideal for applications that require high-speed data transfer and low-cost solutions.

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