Cambium Networks PTP 800 Series, Руководство пользователя

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Equipm ent specificat ions Chapt er 4: Reference inform at ion
4- 16 phn- 2513_004v000 ( Oct 2012)
Coupler losses and isolation
Table 92 contains ODU port return losses and isolation figures for Cambium-supplied ODU
couplers. These figures apply to both symmetric and asymmetric couplers.
Ta ble 9 2 ODU coupler ret urn losses and isolat ion
Ba n ds OD U p or t r e t u r n loss I sola t ion be t w e e n OD U p or t s
6 GHz 18 dB minimum 20 dB minimum
7 GHz to 38 GHz 20 dB maximum 20 dB minimum
Table 93 contains ODU port insertion losses for Cambium-supplied ODU couplers.
Ta ble 9 3
ODU coupler insert ion losses
Ba n ds Cou p le r t yp e OD U p or t m a x im u m in se r t ion losse s
6 GHz 3 dB symmetric
6 dB asymmetric Main 1.9 dB, Standby 6.5 dB
7 GHz to 26 GHz 3 dB symmetric 3.8 dB
6 dB asymmetric Main 1.8 dB, Standby 7.2 dB
32 GHz to 38 GHz 3 dB symmetric 4.0 dB
6 dB asymmetric Main 2.0 dB, Standby 7.4 dB