4. Check whether the settings of the DIP switch on the EPS30-4815AF are the same as the
settings of the secondary nodes of the EMU on the MA5612.
CAUTION
To facilitate fault report, save the results of the following steps.
Procedure
Step 1 Run the display serial-mode command to check whether the serial port mode of the device is
emu.
l If the serial port mode of the device is emu, go to Step 3.
l If the serial port mode of the device is not emu, go to Step 2.
Step 2 Run the serial-mode emu command to set the serial port mode to emu. Run the display emu
command to check whether the EPS30-4815AF is in Normal state.
l If the EPS30-4815AF is in Normal state, it indicates that the fault occurs due to the
improper serial port mode. Go to Step 10.
l If the EPS30-4815AF is not in Normal state, go to Step 3.
Step 3 Check whether the sixth switch of the DIP switch on the EPS30-4815AF is set to off.
l If the sixth switch of the DIP switch on the EPS30-4815AF is set to off, go to Step 5.
l If the sixth switch of the DIP switch on the EPS30-4815AF is not set to off, go to Step 4.
Step 4 When the serial port mode of the MA5612 is emu, the baud rate of the serial port is 19200 bit/
s. In this case, set the sixth switch of the DIP switch on the EPS30-4815AF to off and the baud
rate to 19200 bit/s that is the same as the baud rate of the serial port on the MA5612. Run the
display emu command to check whether the EPS30-4815AF is in Normal state.
l If the EPS30-4815AF is in Normal state, go to Step 10.
l If the EPS30-4815AF is not in Normal state, go to Step 5.
Step 5 Check whether the dedicated environment monitoring cable connecting the EPS30-4815AF to
the serial port on the MA5612 is aged, exposed, or broken out.
l If the dedicated environment monitoring cable connecting the EPS30-4815AF to the serial
port on the MA5612 is aged, exposed, or broken out, go to Step 6.
l If the dedicated environment monitoring cable connecting the EPS30-4815AF to the serial
port on the MA5612 is not aged, exposed, or broken out, go to Step 7.
Step 6 Replace the dedicated environment monitoring cable connecting the EPS30-4815AF to the serial
port on the MA5612. Run the display emu command to check whether the EPS30-4815AF is
in Normal state.
l If the EPS30-4815AF is in Normal state, go to Step 10.
l If the EPS30-4815AF is not in Normal state, go to Step 7.
Step 7 Check whether the settings of the DIP switch on the EPS30-4815AF are the same as the settings
of the secondary nodes of the EMU on the MA5612.
l If the settings of the DIP switch on the EPS30-4815AF are the same as the settings of the
secondary nodes of the EMU on the MA5612, go to Step 9.
SmartAX MA5612 Multi-service Access Module
Maintenance Guide 7 Troubleshooting EMU Faults
Issue 01 (2012-07-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
242
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