User's Manual

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x OPTIC port
- connected to OPT of HE
x LINK 1~8 ports
- connected to extended RUs
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x DC IN Port
- Connect DC output of AC/DC adaptor to the OEU’s DC IN Port
x GUI Port
- Connects to laptop via USB cable (32-bit/64-bit Windows only supported)
- Used for interal purposes only
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x ON/OFF switch
- OEU Power On/Off switch
x ADDR switch
- The ID of OEU can be set manually using ADDR switch in case the ID of OEU is not correctly
assigned automatically.
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