Owner`s manual

6
Connector Information
Keypad Terminal Connector
To use a WK-3 or WK-4 Keypad with the MX134, connect
the shield and four leads of a shielded 4 conductor cable to
a RJ-45 Connector Plug, according to the numbers listed
below. There is a numbered connector built-in to each Key-
pad, which has a different pin out.
MX134 RJ-45 WK-3 and WK-4 Keypad
1. Signal Data 1. Supply Voltage Positive
2. Signal Data Gnd. 2. Supply Voltage Negative
and Cable Shield 3. Cable Shield
3. N/C 4. Signal Data
4. Supply Voltage Negative 5. Signal Data Gnd.
5. Supply Voltage Positive
6. N/C
7. N/C
8. N/C
RS232 DB9 Connector Pin Layout
1. N/C 6. N/C
2. Data Out (TXD) 7. N/C
3. Data In (RXD) 8. N/C
4. N/C 9. N/C
5. Gnd.
Multi-Channel Amp DB25 Connector Pin Layout
1. Left Front + 15. Center Front Gnd.
2. Center Front + 16. Right Front Gnd.
3. Right Front + 17. N/C
4. N/C 18. Left Surround Gnd.
5. Left Surround + 19.Right Surround Gnd.
6. Right Surround + 20. Left Back Surround Gnd.
7. Left Back Surround + 21. Right Back Surround Gnd.
8. Right Back Surround + 22. N/C
9. N/C 23. N/C
10. N/C 24. System Calibrate Gnd.
11. N/C. 25. Power Control Gnd.
12. System Calibrate
13. Power Control In
14. Left Front Gnd.
Multizone Controller (DB37 Connector):
1. Accessory-On 14. LV-Left 26. CD-Data
2. SYS-Off 15. TV-Left 27. N/C
3. Sum Data 16. Aux-Left 28. N/C
4. DVD-Data 17. Tape 1-Left 29. Ground
5. LV-Data 18. Tuner-Left 30. DVD-Right
6. Aux-Data 19. CD-Left 31. VCR 1-Right
7. Tuner-Data 20. Video Power 32. LV-Right
8. N/C 21. Ground 33. TV-Right
9. N/C 22. Home-Data 34. Aux-Right
10. N/C 23. VCR 1-Data 35. Tape 1-Right
11. Ground 24. TV-Data 36. Tuner-Right
12. DVD-Left 25. Tape 1-Data 37. CD-Right
13. VCR 1-Left
Power Control Connector
The MX134’s Power Control Outputs provide a 5 volt sig-
nal. Use a 1/8 inch stereo mini
phone plug to connect to the Power
Control Input on other McIntosh
Components.
Data and IR Input Port Connectors
The MX134’s Data Port Output provides Remote Control
Signals. Use a 1/8 inch stereo mini phone plug to connect
to the Data Port Inputs on McIntosh Source Units. The IR
Ports also use a 1/8 inch stereo mini phone plug and allows
the connection of other brands IR Sensors to the MX134.
Note: The MX134 Rear Panel IR POWER Switch setting
determines if twelve volts are present at the Zone A and
B IR INPUTS.
Connector Information
IR Input Port Connector
with Rear Panel IR
Power Switch Set to Off
Data Signal
N/C
Ground
IR Input Port Connector
with Rear Panel IR
Power Switch Set to On
Data Signal
Ground
+12Volts
MX134
Keypad
Socket
Positive
N/C
Negative