Crown FMX30 Manuel d'utilisateur télécharger pdf (Page 29)

Rev. 1.0

Installation 2—15

Pin Number Function

1 Ground

2 (no connection)

3 Composite Out (sample of stereo generator output)

4 FSK In (Normal ly high; pull low t o shift carrier frequency

approximately 7.5 kHz. Connect to open collect or or relay

contacts of user-supplied FSK keyer. )

5 /A ut o Carrier Off (Pull l ow t o enable automatic t urnoff of

carrier with program failure.)

6 Meter Battery (unregulated DC voltage; 5 volts = 50 VDC)

7 Meter RF Watts (1 volt = 100 watts)

8 Meter PA Volts (5 volts = 50 VDC)

9 /E xt . Enable (Pull low to disable internal st ereo generator

and enable Ext ernal Composite Input.)

10 a) 38 kHz Out (From stereo generator for power supply

synchronizat ion. )

b) For transmitters equipped wit h tuner option, this pin

becomes the right audi o out put for an 8–ohm monitor

speaker. 38kHZ Out is disabled.

11 ALC

12 /Carrier Off (pull low to turn carrier off.)

13 Fault Summary (line goes high if any fault light is activated.)

14 Meter PA Temperature (5 volts = 100 degrees C.)

15 Meter PA Current (1 volt = 10 amperes DC.)

Table 2-4 Remote I/O Connector

Illustration 2–13 Remote I/O Connector

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 55 56

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Crown FMX30 Manuel d'utilisateur Page 29