Layout Of The H304Esc Dip Switches - Huawei UA5000 Manual

UA5000 Universal Access Unit
Environment Monitoring
Silk Screen
FAN
BGND, -48 V
GND
RSP/PV8
SIO2
SIO1
SIO3
Jumper and DIP Switch
The H304ESC provides two DIP switches: S2 and S3, and five jumpers: S4-S8, as shown in
Figure
Figure 4-2 Layout of the H304ESC DIP switches
Issue 01 (2012-08-17)
4-2.
OFF S2 ON
S4
S5
S6
S7
S8
12 3
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Function
Socket for fan control
Power input
Communication ground
Communicating with the
upper-layer device through
the active communication
port in the RS-232 mode
Communicating with the
upper-layer device through
the active communication
port in the RS-232 or RS-422
mode
Communicating with the
power supply device through
the active communication
port in the RS-232 or RS-422
mode
Transparent transmission
port; working in the RS-232
or RS-422 mode
4 H304ESC Monitoring Solution
Remarks
Connected to the power port
on the controlled fan
Connected to the DC busbar
Connected to the working
ground of the control board
l RJ45 port
l Connected to the
communication port on
the active control board
l RJ45 port
l Connected to the
communication port on
the standby control board
l RJ45 port
l Connected to the
supported primary power
supply device
l RJ45 port
l Connected to the device
that requires transparent
transmission
H304ESC
S9
D6
ON S3 OFF
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