主要特性与技术指标 · fully compatible with all 8162x Optical Heads · fits in all 8163/8164/8166-series · 2-channel option Following optical heads are used with these interfaces: 81623B Ge, +10dBm to -80dBm 81624B 5mm InGaAs, +10dBm to -90dBm 81626B InGaAs, +27 dBm to - 70 dBm 81628B InGaAs, +40 dBm to - 60 dBm