BW Broadcast TX150 - Front and Rear Panels

BW Broadcast technical manual
Page 11
Introduction
1.4 FRONT AND REAR PANELS
1. Left audio input 2. Left Input gain 3. Right input gain 4. Right audio input 5. MPX output 6. MPX level control 7. MPX Input 8. I/O + Alarms 9. RS232 10. R.F. output 11. Power socket 12. Chassis ground post 13. RF monitor output -50dBc (not suitable for harmonic measurements)
I/O - Alarms D-type connector pinout: Pin 1 +18V DC 200mA Pin 2 RF Mute Pin 3 RF failure alarm (TTL) Pin 4 PLL failure alarm (TTL) Pin 5 MOD failure alarm (TTL Pin 6 GND Pin 7 RF failure alarm (OC) Pin 8 PLL failure alarm (OC) Pin 9 MOD failure alarm (OC)
XLR Audio input connectors
FAULT
VSWR TEMP
T X 3 0 0
17
18
121 2 3 4 5 6 7 8, 9 10 11
13, 14
15 16
14. Modulation monitor output (buffered multiplex, nominally 3V peak-to-peak for 75kHz) 15. VSWR and temperature fault LEDs 16. Maximum forward power adjust 17. LCD display 18. Up / Down frequency buttons
PIN1 GND PIN2 Hot (+) PIN3 Cold (-)
FAULT
VSWR TEMP
T X 3 0 0
1
2
3
FAULT
VSWR TEMP
T X 3 0 0
1 2 3 4 5
6 7 8 9