General information
2-12 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual
External alarm
Table 2 -4: External Alarm connector (J305) pin function
Connections Function Signal Levels
Tip External Alarm Contacts rated 50 V, 1 A
Sleeve Ground Closed to ground for alarm
RS232
Table 2 -5: RS232 connector (J101) pin function
Connections Function Signal Levels
Tip Data I/P RS232 I/P
Ring Data O/P 0–12 V O/P
Sleeve Ground Ground
Loudspeaker
Table 2 -6: External loudspeaker connector (J206) pin function
Connections Function Signal Levels
Tip Speaker Audio Output 12 V PP max
4 Ω min impedance
Sleeve Ground 0 V
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