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Appendix
a
Setting the DIP Switches
Settings of the DIP switches on the UELP
Settings of the DIP switches on the GTMU
Set the DIP switches of the BBU.
All the DIP bits of S2 on the GTMU are set to OFF by default in all modes. When four 75-ohm E1/T1 links are faulty, all the
DIP bits of S2 should be set to ON so that the faults are rectified.
75-ohm E1 Mode
120-ohm E1 Mode
T1 Mode
75-ohm E1 Mode
Other Modes
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