The OptiX OSN 1500 consists of a cabinet, subracks, and boards. The OptiX OSN 1500 can be installed in an ETSI cabinet (300 mm or 600 mm deep) or a 19- inch standard cabinet. It can also be installed against the wall. The OSN1500A functions of the areas are as follows: • Fan area: This area houses one fan module, which dissipates heat generated by the equipment. • Processing board area: This area houses the service boards of the OptiX OSN 1500A. • Power interface board area: This area houses two power interface boards, which supply power to the equipment. • Auxiliary interface board area: This area houses the line, tributary, and Ethernet processing boards of the OptiX OSN 1500A. • Cable routing area: This area houses fiber jumpers and cables in a subrack. The OSN1500B functions of the areas are as follows: • Interface board area: This area houses the tributary interface boards and Ethernet interface boards of the OptiX OSN 1500B. • Power interface board area: This area houses two power interface boards, which supply power to the equipment. • Fan area: This area houses one fan module, which dissipates heat generated by the equipment. • Processing board area: This area houses the line, tributary, and Ethernet processing boards of the OptiX OSN 1500B. • Auxiliary interface board area: This area provides alarm interfaces, an orderwire phone interface, management and maintenance interfaces, and clock interfaces. • Cable routing area: This area houses fiber jumpers and cables in a subrack. • Boards The OptiX OSN equipment supports cross-connect boards and one system control boards, Packet Processing Boards, SDH Boards, PDH Boards, EoS Boards, ATM Boards, RPR Boards, SAN/Video Boards, PCM Boards, WDM Boards, Optical Amplifier Boards, Auxiliary Boards and Power Boards
