Opok - Huawei PAC2000S12-B1 PSU Technical Manual

PAC2000S12-B1 PSU
Table 9-5 INSTALLED# signal characteristics
Signal Characteristics
Signal type: The PSU determines
whether it has been inserted into the
system.
INSTALLED# = Low
INSTALLED# = High
Table 9-6 INSTALLED# output
INSTALLED# Output
Low level voltage
High level voltage
Input sink current, INSTALLED# =
Low
Signal rise and fall time

9.6 OPOK#

The OPOK# signal is used to detect whether the PSU MV12 output is normal.
interconnect diagram of the OPOK# signal.
Figure 9-4 Interconnect diagram of the OPOK# signal
Technical Manual
PSU side: This signal is pulled up to 3.3 V auxiliary power
supply inside the PSU by a 4.7-kilohm resistor.
System side: This signal is grounded directly.
The PSU is inserted into the system.
The PSU is not inserted into the system.
Min.
0 V
2.000 V
-
-
9 Control Functions
Max.
0.8 V
3.465 V
4 mA
100 μs
Figure 9-4 shows the
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