J1608's Lyα profile is strong and narrow with significant flux at the systemic velocity (left panel). Its low-ionization absorption lines (central panel) are weak, narrow, and barely offset from the expected transition wavelength (dashed lines). J1608 shows high-ionization lines such as Si IV (right panel) and Si III in emission with absorption superimposed at the systemic velocity. Dashed red lines indicate the Si IV transition wavelengths; labels identify other lines from O IV] and S IV].