2-6
WARNING: Disconnect primary power prior to servicing
Harris Micromax FM Exciter Installation REV1 01/12/2007
2.4.5 Service connector
Service connector is used to interface with a computer RS232 port. It can also be used to remotely
set operating frequency and RF power level of the exciter (see attachment 1 on page 3-7).
Following describes the function of each pin on this connector:
Type: DB9 female
1NC
2 TX_D
3 RX_D
4 Internally connected with 6
5 GND
6 Internally connected with 4
7 Internally connected with 8
8 Internally connected with 7
9NC
1
6
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