HUAWEI SST1AUX 03028246 for OSN1500 B OSN7500 Product Description: Specifications OSN 7500 Dimensions 757 mm (H) x 497 mm (W) x 295 mm (D) Switch Capacity 22 slots for processing boards and 8 slots for interface boards Supported Interface Ethernet interface FE/GE/10GE SDH interface STM-1/4/16/64 PDH interface E1/E3/E4/T1/T3 ATM interface E1, STM1 WDM interface 40-channel DWDM interfaces, compliant with ITU-T G.694.1 8-channel CWDM interfaces, compliant with ITU-T G.694.2 Other interface DDN, SAN, Video Networking Mode Supporting pure packet, hybrid (packet + SDH) or SDH networking Supporting WDM networking Supporting single-fiber bidirectional transmission Product Details: If you are interested, please let us know the specific model. We will provide the best service and the best price! Pr