Valid Slot The SS63SD4(S-4.1,SC) can be installed in slot IU4–IU9 in the Metro 3000 subrack. Feature Code The number code that follows the board name in the bar code is the feature code of the board. The feature code of the SS63SD4(S-4.1,SC) indicates the type of optical interface. Board Feature Code Type of Optical Interface SS63SD401 01 S-4.1 Optical Interface Parameter Nominal bit rate 622.08 Mbit/s Line code pattern NRZ Application code S-4.1 Maximum transmission distance(km) 15 Operating wavelength(nm) 1310 Launched optical power range (dBm) –8 to –15 Receiver sensitivity (dBm) -28 Least Overload (dBm) -8 Power consumption(W) 21 Mechanical Specifications Dimensions (mm) 340 (H) x 32 (W) x 218.5 (D) Weight (kg) 0.77 2xSTM-4 Optical Interface Board S-4.1,SC Apply to Huawei Metro 3000 to transmit/receive 2xSTM-4 optical signals, at Max distance 15km. Supports VC-4-4C concatenated service. HUAWEI SS63SD4 S-4.1,SC is a 2-ports STM-4 optical interface board, can be used on Huawei Metro3000. SS63SD4 S-4.1,SC part number is 03034096, model name is SS63SD401. SS63SD4 S-4.1,SC comes with 2 units S-4.1 SFP module, transmission distance is 15km. SFP module is swappable to perform different transmission distance. Huawei Metro 3000' generally refers to a series of optical transmission systems designed for metropolitan area networks MANs. These systems are used for high-speed optical communication and provide metro-area connectivity for various telecommunications services.