Dialogic® SS7G21 and SS7G22 Signaling Servers Hardware Manual Issue 7
•Replacement of Power Supply Module in AC Products
The general actions required, such as (un)latching, removal and insertion of modules, are described in Section 9.2.6.
The connections are unaffected by AC Module replacement.
If replacing a failed module, it is possible that the relevant fuse may need replacement. It should be possible to determine if this is necessary from the LED indication on the new module.
9.2.1Safety Ground Studs, Conductor Installation
Two
When connecting the safety ground conductor, ensure that it complies with the WARNING – IF DC POWER SUPPLIES ARE INSTALLED,
The safety ground conductor must be a minimum 14AWG. To connect the safety ground conductor to the safety ground studs with a
1.Place an
2.Place the safety ground conductor terminal lug on the safety ground studs.
3.Place another
When installing the product in locations other than telecommunications centres, ensure that the safety ground conductor is less than 3 metres in length.
The
9.2.2DC Power Supply Module, Initial Connections
For DC powered products, each Power Supply Module is provided with its own DC power input terminal block, mounted directly on the rear of the module. Connection to a DC source should only be performed by a qualified service technician. See also Section 9.2.1, “Safety Ground Studs, Conductor Installation” on page 51. See Figure 13 for the location of the terminal block on DC Power Supply Modules.
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