DIP Switch Setting Meaning Default
Setting
S7-4 ON The reporting rate of the serial port is 19200
bit/s
ON
OFF The reporting rate of the serial port is 9600
bit/s
Jumpers S1, S2, S3, S8, and S10 are used to set the type of the serial port, and their settings are
described in Table 3-6.
Table 3-6 Settings of H303ESC S1, S2, S3, S8, and S11
Jumper Setting Meaning Default
Setting
S1 Pins 1-2 connected The serial port SIO1 is an
RS-232 port
Pins 2-3
connected
Pins 2-3 connected The serial port SIO1 is an
RS-422 port
S2 Pins 1-2 connected The serial port SIO2 is an
RS-232 port
Pins 2-3
connected
Pins 2-3 connected The serial port SIO2 is an
RS-422 port
S3, S8,
S10
Pins 1-2 of S3, S8, and S10
connected
The serial port SIO3 is an
RS-232 port
Pins 1-2 of all
jumpers
connected
Pins 2-3 of S3 connected;
pins 1-2 of S8 and S10
connected
The serial port SIO3 is an
RS-422 port
Pins 2-3 of S8 and S10
connected, S3 connected in
any way
The serial port SIO3 is an
RS-485 port
S11 is used to set whether the running status LED on the front panel is valid, and the settings
are as described in Table 3-7.
Table 3-7 Settings of H303ESC S11
Jumper
Setting Meaning Default
Setting
S11 Pins 1-2
connected
The running status LED is valid Pins 1-2
connected
UA5000 Universal Access Unit
Environment Monitoring 3 H303ESC Monitoring Solution
Issue 01 (2012-08-17) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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