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COMSPHERE 3600 Series Data Service Units
2-14 March 1999 3610-A2-GB41-60
Getting Started
As you follow these steps, refer to Figure 2-8.
" Procedure
1. Unplug the table-top ac transformer from the ac
outlet, then disconnect the power cord from the
DSU’s rear panel (labeled POWER).
2. Disconnect the DDS interface cable (labeled
LINE) from the DSU.
3. Disconnect the DBM and NMS interface cables
(labeled BACKUP and CC/DC, respectively), if
installed.
4. Disconnect the EIA-232-D/V.24 or V.35 interface
cable from the DSU.
5. If a TDM or MCMP is being replaced, disconnect
the additional port interface cable(s), as well.
NOTE
If a TDM or MCMP is being
replaced, the unit does not have
to be turned upside down to
open the case.
6. With the unit upside down, use a small flat-head
screwdriver to release the four snap tabs holding
the base in place (refer to Figure 2-3).
7. Turn the unit over while being careful not to allow
any cable to be pulled free of the connectors.
Figure 2-8. Disconnecting the DSU