NV30/NV40 Operations and Maintenance Manual Non-standard maintenance
Page 4-10 Issue 3.3 2014-12-10
Bypassing the UPS interface option
If you wish to bypass the UPS interface assembly (i.e. disable use of a UPS source), proceed as
follows:
Interval
As required.
Parts and tools
None.
Procedure
1. Disconnect any user-provided ac power cables connected to the UPS interface assembly at
the top of the transmitter.
2. Turn off the transmitter and disable or lock out its ac power source.
3. Open the rear doors of the transmitter.
4. Locate the ac power distribution assembly (A6) (see Figure 4.5 on page 4-11). Disconnect ac
power cables A100W1P2 and A100W2P2 from A6J1 and A6J5 respectively.
5. Locate ac power cables P1 and P4 that are tyrapped into the transmitter’s cable harness, near
the ac power distibution assembly. Cut the securing tyraps and connect P1 and P4 to A6J1
and A6J5 respectively. Neatly secure the connectors A100W1P2 and A100W2P2 into the
cable harness.
6. Close the rear doors of the transmitter.
7. Enable the ac power source and turn on the transmitter. Resume desired operation.
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