-31.0 dBm
-45.0 dBm
PA(PO + 1.5 dB
< PA < -31.0 dBm)
INPUT OPTICAL POWER
(> 1.5 dB STEP INCREASE)
MIN (PO + 4.0 dB OR -31.0 dBm)
PO = MAX (PS OR -45.0 dBm)
(PS = INPUT POWER FOR BER
<
102)
INPUT OPTICAL POWER
(> 4.0 dB STEP DECREASE)
SIGNAL – DETECT
(ON)
SIGNAL – DETECT
(OFF)
AS – MAX
ANS – MAX
TIME
AS – MAX — MAXIMUM ACQUISITION TIME (SIGNAL).
AS – MAX IS THE MAXIMUM SIGNAL – DETECT ASSERTION TIME FOR THE STATION.
AS – MAX SHALL NOT EXCEED 100.0 µs. THE DEFAULT VALUE OF AS – MAX IS 100.0 µs.
ANS – MAX — MAXIMUM ACQUISITION TIME (NO SIGNAL).
ANS – MAX IS THE MAXIMUM SIGNAL – DETECT DEASSERTION TIME FOR THE STATION.
ANS – MAX SHALL NOT EXCEED 350 µs. THE DEFAULT VALUE OF AS – MAX IS 350 µs.
Figure 12. Signal Detect Thresholds and Timing.
11