XCU Optical Transmission Equipment Clock And Cross Connect Module Perfect S1 Byte Processing

XCU Optical Transmission Equipment Clock And Cross Connect Module Perfect S1 Byte Processing

Clock module can provide SDH equipment with system clock in conformity of ITU-T Rec. G.813 specifications. It can also accept kinds of timing reference sources and provide 3-level clock to external. Thus SDH equipment can accommodate to various kinds of environment and perform networking flexible. Specific functions are as follows:

• Provide system with stable system clock frame alignment and multiframe alignment pulse;
• Automatically select and lock appropriate clock reference source;
• Provide input interfaces of various kinds of clock reference source;
• Externally, equipment provides 2 048 MHz/HDB3 3-level clock;
• Multiple kinds of work modes;
• Perfect S1 byte processing.

• According to the command of network management system, accomplish distribution and operation of aggregate side and tributary side VC-4 traffic through cross-connect; accomplish 32×32 higher order full cross-connect and 756×756 lower order full cross-connect;
• Accomplish lower order pointer justification of eight tributaries in drop direction and provide TU12 path protection by eight VC-4s;
• Accomplish multidirectional APS protocol processing and equipment switching in abnormal condition;
• Flexible networking in cooperation with system.

fiber optic network card

fiber optic pci card

XCU Optical Transmission Equipment Clock And Cross Connect Module Perfect S1 Byte Processing Images