IC Audio MT-AMP 1000 User Manual page 9

32. MIC 6/ LINE 2
MIC 6 / LINE 2 XLR input socket can be connected to MIC 6 / LINE 2 balanced signal.
33. MIC 5/ Phantom/ LINE 1 Switch
By setting switch at LINE 1 or MIC 5, the input level can be switched. Set at phantom position, there will
be phantom power on to the MIC input
MIC 5: 1.5mV, 600Ω, balanced
LINE 1: 200mV, 600Ω, balanced.
34. MIC 5/ LINE 1
MIC 5/ LINE 1 XLR input terminal can be connected to MIC 5 or LINE 1 balanced signal.
35. MIC4 XLR INPUT
MIC4 is balanced microphone input
MIC4: 1.5mV, 600Ω, balanced
36. Phantom Power ON/ OFF Switch
Phantom power ON/ OFF switch for MIC 3~4
37. MIC3 XLR INPUT
MIC3 is balanced microphone input
MIC3: 1.5mV, 600Ω, balanced
38. MIC2 XLR INPUT
MIC2 is balanced microphone input
MIC2: 1.5mV, 600Ω, balanced
39. MIC 1~2 Phantom Power ON/OFF
To switch ON/OFF the phantom power of MIC 1~2
40. PTT DIP Switch
Set the PTT dip switch at "ON": Mic. 1 will be muted . MT-PM-01 can give speech to all zones with chime
signal. Set the PTT dip switch at "OFF", MT-PM-01 will be same function as Mic. 1 but without chime
signal .
41. Microphone Input of MIC 1
MIC 1 is balanced microphone input.
MIC1: 1.5 mV, 600Ω, balanced.
42. MIC 1 Input with RJ45 Terminal
This is MIC 1 input by RJ45 terminal. It is to connect PPS-A all call microphone. The pin assignment of
RJ45 is as follows:
Pin 1 Audio+
Pin 2 Audio-
Pin 3 GND
Pin 4 Trigger+
Pin 5 Trigger-
Pin 6~8 NC
Short Trigger +/- pins terminal will activate Chime signal and let MIC1 have the priority to mute other
signal except TEL/ Emer. signal.
MT-AMP 1000
9
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