SSN1SLQ4A(L-4.2,LC) Huawei OSN 7500 OptiX OSN Series Shared Board SSN1SLQ4A 42xE1/120ohm(T1/100ohm) Electrical Interface Board Part Number 03054665 Model TNF1SP3DA Description 42xE1/120ohm(T1/100ohm) Electrical Interface Board Discount Category SDH Board Product Line Networking Sub Product Family WDM Product Series OSN 1800 UOM PCS Net Dimension(D*W*H mm) 197*183*19 Typic Power(W) 11.5