Nokia 3KC59925AA, also referenced as WOTRD5UTAB and 4UC400, is an SSY 4×100G uplink board for Nokia WDM and telecom optical transport network applications. According to the available product information, this board provides 4×100G uplink capacity for transmission, aggregation and transport network hardware environments. It is suitable for Nokia 4UC400 replacement, WDM uplink expansion, optical transport capacity upgrades, metro/backbone aggregation, network restoration and telecom transmission spare parts service. Please confirm the target Nokia platform, shelf compatibility, hardware version, software release, port mode, optical interface requirements, transceiver compatibility, licensing, power budget, line-side/client-side configuration and network design before ordering.