Troubleshooting; Figure 2-6: Installing The Pm8560 On The Baseboard - Emerson Pm8560 User Manual

Octal e1/t1/j1 line interface ptmc
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Setup:

Troubleshooting

2
From the back of the baseboard, insert and tighten the two screws in the standoffs closest
to the PMC connectors (see
3
Insert and tighten the two remaining screws near the front panel.
Figure 2-6:
Installing the Pm8560 on the Baseboard
TROUBLESHOOTING
In case of difficulty, use this checklist:
❐ Be sure the Pm8560 circuit board is seated firmly on the baseboard and the baseboard is
❐ Be sure the system is not overheating.
❐ Check the cables and connectors to be certain they are secure.
❐ Check your power supply for proper DC voltages. If possible, use an oscilloscope to look
❐ Check that your terminal is connected to a console port.
Fig. 2-4
seated in the carrier.
for excessive power supply ripple or noise (over 50 mV
10006609-03
).
below 10 MHz).
pp
2-9
Pm8560 User's Manual

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