Optimus M130 Installation And Operating Instructions Manual page 37

3. Address and chime setting of M132M microphone:
DIP configuration
8. ON or OFF
4. Connect to M130 audio matrix.
You can connect up to four remote M132M microphones to the M130 matrix. The IP address fo
each M132M must be set properly.
To connect the M132M microphone, you have to use a CAT5. STP cable (we recommend
shielded twisted 8 pairs).
When you use a cable 8 pair unshielded twisted CAT5. UTP, don't connect the PIN6 (A-GND).
The M132M also works, but has less ability to suppress interferences.
The Pin correspondence of the M132M microphone's connector is:
PIN Nº
M130 Version 1.0
1. ON
2. ON
3. ON
4. ON
5. ON Enable the 4 rising tone Chime
6. ON Enable the 4 falling tone Chime
7. ON
Name
1 Tx-
2 Tx+
3 Rx-
4 Rx+
5 D-GND
6 A-GND
7 Audio -
8 Audio +
9 DC-Output
M130
Functions
Remote microphone station 1
Remote microphone station 2
Remote microphone station 3
Remote microphone station 4
Enable the Push to Talk mode
Not used
Description
Negative transmission RS-422
Positive transmission RS-422
Negative reception RS-422
Positive reception RS-422
Digital ground
Analog ground
Balanced audio negative
Balanced audio positive
+24VDC power
8x8 Audio Matrix
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